• Scientists will attempt observations with the Hubble Space Telescope and the Chandra X-ray Observatory. (universetoday.com)
  • Chandra and NASA's Hubble Space Telescope later collected data from the event's "afterglow," and together the observations led astronomers to conclude that the powerful explosions can result when a black hole and a neutron star collide, producing another black hole. (nasa.gov)
  • The Hubble Space Telescope image shows four high-velocity, runaway stars plowing through their local interstellar medium. (wikiversity.org)
  • Here are some of the stunning images of the event, including some from the Hubble Space Telescope, as well as artists' illustrations that give insight into the complex workings of this energetic collision. (space.com)
  • The kilonova explosion was spotted in the galaxy NGC 4993, which is shown here in an image from the Hubble Space Telescope . (space.com)
  • He dedicated his tenure to building America's major astrophysical observatories of our time, including the Compton Gamma Ray Observatory, Chandra X-Ray Telescope, Hubble Space Telescope rescue mission, Spitzer Infrared Space Telescope, and most recently the James Webb Space Telescope. (businesswire.com)
  • The NASA telescopes involved in this observing campaign included the Chandra X-ray Observatory, Hubble Space Telescope, Neil Gehrels Swift Observatory, the Nuclear Spectroscopic Telescope Array (NuSTAR), and the Fermi Gamma-ray Space Telescope. (harvard.edu)
  • Because space shuttle missions went up to repair and refurbish the Hubble Space Telescope, it has a relatively large carbon footprint compared to other telescopes. (wmra.org)
  • formerly GLAST Burst Monitor), is being used to study gamma-ray bursts and solar flares. (wikipedia.org)
  • The GBM consists of 14 scintillation detectors (twelve sodium iodide crystals for the 8 keV to 1 MeV range and two bismuth germanate crystals with sensitivity from 150 keV to 30 MeV), and can detect gamma-ray bursts in that energy range across the whole of the sky not occluded by the Earth. (wikipedia.org)
  • Determine the high-energy behavior of gamma-ray bursts and transients. (wikipedia.org)
  • Gamma-ray bursts Study gamma-ray bursts with an energy range several times more intense than ever before so that scientists may be able to understand them better. (wikipedia.org)
  • Dec. 7, 2022 The standard view of gamma-ray bursts as a signature for different types of dying stars might need a rewrite. (sciencedaily.com)
  • The standard theory for gamma-ray bursts is that the high-energy light is beamed in our direction. (universetoday.com)
  • The nature of ``dark'' gamma-ray bursts. (u-strasbg.fr)
  • Thirteen years after the discovery of the first afterglows, the nature of dark gamma-ray bursts (GRB) still eludes explanation: while each long-duration GRB typically has an X-ray afterglow, optical/NIR emission is only seen for 40-60% of them. (u-strasbg.fr)
  • For long-duration Swift bursts with a detected X-ray afterglow, we achieve a 90% (35/39) detection rate of optical/NIR afterglows whenever our observations started within less than 240min after the burst. (u-strasbg.fr)
  • Recent discoveries offer some tantalizing evidence that black holes have a dramatic influence on the neighborhoods around them - emitting powerful gamma ray bursts, devouring nearby stars, and spurring the growth of new stars in some areas while stalling it in others. (nasa.gov)
  • Soon after its launch in December 2004, NASA's Swift telescope observed the powerful, fleeting flashes of light known as gamma ray bursts. (nasa.gov)
  • In addition, they have detected immensely powerful gamma-ray bursts (GRBs) that appear to come from sources in deep space. (newworldencyclopedia.org)
  • Detectors aboard the Vela satellite series, designed to detect flashes of gamma rays from nuclear bomb blasts, began to record bursts of gamma rays not from the vicinity of the Earth but from deep space. (newworldencyclopedia.org)
  • It predominantly studied X-rays, but also observed gamma-ray bursts. (newworldencyclopedia.org)
  • Are gamma-ray bursts powered by a star's collapsing magnetic fields? (newswise.com)
  • These extremely bright gamma-ray bursts (GRBs) are the most powerful explosions in the universe, and when a jet points towards Earth, the afterglow can be detected from ground and space-borne telescopes. (newswise.com)
  • Gamma-ray bursts are the brightest known electromagnetic events in the universe, and can be created by a few different phenomena . (space.com)
  • Gamma-Ray Bursts also known as GRB s are one of Astronomy s current hot topics. (astronomyonline.org)
  • While no atmospheric gamma-rays were detected, gamma-ray bursts lasting an average of 10 ms to 10 s were detected in random directions on the sky rather than from the Earth, with no detection occurring in the same place twice (Hurley, 2005). (astronomyonline.org)
  • Thus, GRB 181201A became yet another event that confirmed the association of gamma-ray bursts with supernovae. (harvard.edu)
  • Swift's primary mission is to locate gamma-ray bursts, which are more distant and energetic explosions associated with the birth of black holes. (enewspf.com)
  • Its main instrument is the Large Area Telescope (LAT), with which astronomers mostly intend to perform an all-sky survey studying astrophysical and cosmological phenomena such as active galactic nuclei, pulsars, other high-energy sources and dark matter. (wikipedia.org)
  • Fermi includes two scientific instruments, the Large Area Telescope (LAT) and the Gamma-ray Burst Monitor (GBM). (wikipedia.org)
  • This is about 50 times greater than the energies observed by Fermi's Large Area Telescope. (dailymail.co.uk)
  • The Large Area Telescope measures photons between 30 MeV and 300 GeV and scans the full sky every 90 minutes. (uibk.ac.at)
  • The graph shows Fermi Large Area Telescope data from August 2008 to July 2015 for gamma rays with energies above 100 million electron volts (MeV). (astronomynow.com)
  • Looking at many years of data from Fermi's Large Area Telescope (LAT), we picked up indications of a roughly two-year-long variation of gamma rays from a galaxy known as PG 1553+113," said Stefano Ciprini, who coordinates the Fermi team at the Italian Space Agency's Science Data Center (ASDC) in Rome. (astronomynow.com)
  • AAVSO member/observer Adolfo Darriba (Madrid, Spain) informs us that Dr. Dave Thompson, Multiwavelength Coordinator for the Large Area Telescope (LAT) of NASA's Fermi Gamma-Ray Telescope, on behalf of the Fermi LAT Collaboration has called for observations of the blazar 3C 279, which is undergoing a major gamma-ray flare. (aavso.org)
  • ATel #15841 ) report that gamma-ray flaring in this Active Galactic Nucleus (AGN) was detected by the Fermi Large Area Telescope (LAT) om 2023 January 1 and 2. (aavso.org)
  • This system of five imaging atmospheric Cherenkov telescopes was built at Khomas Highland, Namibia for the allowing prime access to the Galactic Center and excellent dark sky observation conditions. (uibk.ac.at)
  • Atmospheric Cherenkov telescopes rely on the Earth's atmosphere as part of the detector. (cern.ch)
  • There are currently three pulsars firmly detected by Imaging Atmospheric Cherenkov Telescopes (IACTs), two of them reaching the TeV range, challenging standard models of high energy emission of pulsars. (cern.ch)
  • Imaging Atmospheric Cherenkov Telescopes (IACTs) are used to observe Very High Energy photons from the ground. (cern.ch)
  • The presence of clouds during observations with Imaging Atmospheric Cherenkov Telescopes can strongly affect the performance of the instrument due to additional light absorption. (cern.ch)
  • Star tracking for pointing determination of Imaging Atmospheric Cherenkov Telescopes. (cern.ch)
  • While little is known for sure about the underlying mechanisms driving emissions from these systems, much progress has been made in recent years by coordinated multi-wavelength observations led by Imaging Atmospheric Cherenkov Telescopes (IACTs), which are well-suited to observe these systems at very high energies where their emission is often the most powerful. (aps.org)
  • The ASTRI Mini-Array is an international collaboration led by the Italian National Institute for Astrophysics (INAF), aiming to construct and operate an array of nine Imaging Atmospheric Cherenkov Telescopes (IACTs) to study gamma-ray sources at very high energy (TeV) and to perform stellar intensity interferometry observations. (arxiv.org)
  • 22, 2023 With the launch of the James Webb Space Telescope, astronomers are now able to peer so far back in time that we are approaching the epoch where we think that the first galaxies were created. (sciencedaily.com)
  • Spectroscopy of super-Earths will not be easy, but is not out of the question for the James Webb Space Telescope. (nasa.gov)
  • The most prolific emitters were the biggest, most expensive observatories, such as the new James Webb Space Telescope and the Square Kilometer Array, according to the report. (wmra.org)
  • it may be thought of as a sequel to the EGRET instrument on the Compton Gamma Ray Observatory. (wikipedia.org)
  • Artist's image of the Compton Gamma Ray Observatory. (newworldencyclopedia.org)
  • The Compton Gamma-Ray Observatory (CGRO) was designed to take advantage of the major advances in detector technology during the 1980s, and it was launched in 1991. (newworldencyclopedia.org)
  • In 1991, the Compton Gamma-Ray Observatory was sent to explore a wide range of high energy astrophysics from 30 keV to 30 GeV. (astronomyonline.org)
  • Since the era of the EGRET instrument on the Compton Gamma-ray Observatory in the 1990s, it has been discussed whether outbursts of radio emission are physically connected to similar events occurring at gamma rays' says Anton Zensus, Director at the Max Planck Institute for Radio Astronomy (MPIfR) and Fermi Affiliated Scientist. (mpg.de)
  • The future of gamma-ray astronomy will be defined by the Cherenkov Teleskope Array (CTA) presently under construction. (uibk.ac.at)
  • Furthermore, with MPIK Heidelberg, and the Universities of Erlangen and Tübingen we are involved in a consortium to construct new, fully-digital Cherenkov camera for the middle size telescope in CTA. (uibk.ac.at)
  • Major Atmospheric Gamma-ray Imaging Cherenkov Telescope. (overcomingbias.com)
  • The H.E.S.S. facility (which stands for High Energy Stereoscopic System) in Namibia consists of five Cherenkov telescopes that are used to investigate gamma rays from space. (eurekalert.org)
  • The FlashCam design is currently being further developed for the next generation gamma-ray observatory, the Cherenkov Telescope Array (CTA). (eurekalert.org)
  • Two gamma-ray observatories, NASA's orbiting Fermi Gamma-ray Space Telescope and the Major Atmospheric Gamma Imaging Cherenkov Telescope, or MAGIC, in the Canary Islands, detected a flare of high-energy gamma rays that also appeared to come from TXS 0506+056, a convergence of observations that convincingly implicated the blazar as the most likely source. (yenra.com)
  • 100 GeV) by the HESS and MAGIC γ -ray Cherenkov telescopes. (aanda.org)
  • Among others, extra-dimensional brane-world models may produce thermal DM candidates with masses up to 100 TeV, which could be detected with the next generation of very-high-energy gamma-ray observatories such as the Cherenkov Telescope Array (CTA). (cern.ch)
  • The cameras of the Large-Sized Telescopes (LSTs) of the Cherenkov Telescope Array (CTA) consist of 1855 pixels that are divided into 265 high-performance photomultiplier tube (PMT) modules. (cern.ch)
  • LST-1, the prototype of the Large-Sized Telescope for the upcoming Cherenkov Telescope Array Observatory is concluding its commissioning in Observatorio Roque de los Muchachos on the island of La Palma. (cern.ch)
  • Application to the Large-Sized Telescope of the Cherenkov Telescope Array. (cern.ch)
  • We present a novel approach to the determination of the pointing of Imaging Atmospheric Cherenkov 6 Telescopes (IACTs) using the trajectories of the stars in their cameras' field of view. (cern.ch)
  • The main objective of the OOQS is to perform data quality analyses in real-time during Cherenkov and intensity interferometry observations to provide feedback to both the Central Control System and the Operator. (arxiv.org)
  • The Fermi Gamma-ray Space Telescope (FGST, also FGRST), formerly called the Gamma-ray Large Area Space Telescope (GLAST), is a space observatory being used to perform gamma-ray astronomy observations from low Earth orbit. (wikipedia.org)
  • HESS, a ground-based observatory, can spot emissions once the atmosphere absorbs gamma rays, sending particles out in a flash of blue light. (dailymail.co.uk)
  • Innsbruck University is shareholder in the observatory CTAO, the institute member of the consortium and actively involved in the preparation of future observations and the key science projects of the consortium. (uibk.ac.at)
  • A prototype is working since 2019 as principal camera on the large telescope CT5 in H.E.S.S. The observatory will be built on two locations at Paranal, Chile and La Palma, Spain and will preform a demanding and competitive observation program. (uibk.ac.at)
  • These included long-term optical observations from Tuorla Observatory in Finland, Lick Observatory in California, and the Catalina Sky Survey near Tucson, Arizona, as well as optical and X-ray data from NASA's Swift spacecraft. (astronomynow.com)
  • The team also studied observations from the Owens Valley Radio Observatory near Bishop, California, which has observed PG 1553+113 every few weeks since 2008 as part of an ongoing blazar monitoring program in support of the Fermi mission. (astronomynow.com)
  • During its High Energy Astronomy Observatory program in 1977, NASA announced plans to build a "great observatory" for gamma-ray astronomy. (newworldencyclopedia.org)
  • they consider instrument availability, Target of Opportunity (ToO) programs, duplicate observations and the distribution of programs across different observing condition constraints, and adjust the ensemble of proposals to construct the best 'queue', both for the individual communities and for the observatory. (gemini.edu)
  • Observations made with the gamma ray observatory H.E.S.S. in Namibia show for the first time the course of an acceleration process in a stellar process called a nova, which comprises powerful eruptions on the surface of a white dwarf. (eurekalert.org)
  • They were alerted to the star's collapse after its gamma-ray flash (named GRB 190114C) was detected by NASA's space-borne Neil Gehrels Swift Observatory. (newswise.com)
  • Seconds after the NASA observatory identified GRB 190114C, robotic telescopes located in the Canary Islands and South Africa received NASA's discovery notification and repointed. (newswise.com)
  • The observations, initially made by the IceCube Neutrino Observatory at the Amundsen-Scott South Pole Station and confirmed by ground- and space-based telescopes around the globe, help resolve a century-old riddle about what sends subatomic particles such as neutrinos and protons speeding through the universe. (yenra.com)
  • Astronomers have used NASA's Chandra X-ray Observatory to study M87 for two decades, including during this coordinated campaign. (harvard.edu)
  • This observatory will perform the most sensitive all-sky survey to date in the hard X-ray (20 - 250 keV) energy band. (nasa.gov)
  • We use data from space observatories or observations from ground-based telescope arrays. (uibk.ac.at)
  • Dozens of observatories detected the event using every wavelength of light, from radio waves to gamma-rays. (space.com)
  • Several observatories saw light from the event, in addition to the observations by LIGO and Virgo. (space.com)
  • The 2017 campaign involved a large number of observatories and telescopes. (harvard.edu)
  • The window to study these fascinating events has only recently been opened with the upgrades of the gravitational-wave observatories Advanced LIGO and Advanced Virgo and by combining gravitational-wave information with that of powerful telescopes in the electromagnetic spectrum - from infrared, to optical, to gamma-rays. (mpg.de)
  • In 2017, the gravitational-wave detectors caught the first signal from a binary neutron star merger and about 70 astronomical observatories on Earth and in space were involved in follow-up observations and investigated electromagnetic signals of this event. (mpg.de)
  • Topics include neutrinos from galactic and extragalactic astrophysical sources and telescopes and detector arrays for observing them, recent results of cosmic rays, gamma rays, gravitational waves and neutrinos (multi-messenger astrophysics), open issues concerning the interpretation and modelling of recent results, an outlook on future observatories and observation strategies. (infn.it)
  • Resolve the gamma-ray sky: unidentified sources and diffuse emission. (wikipedia.org)
  • Those interactions produce much of the gamma-ray emission observed by Fermi and HESS. (dailymail.co.uk)
  • These interactions result in the emission of gamma rays, the highest-energy form of light, according to NASA. (dailymail.co.uk)
  • In the new study, the researchers combined the two types of observations, revealing a continuous gamma-ray spectrum for the galactic center emission. (dailymail.co.uk)
  • As member of the instrument team we investigate the still insufficiently understood binary systems, search for classes of astronomical gamma-ray emitters and study the dominant diffuse galactic gamma-ray emission. (uibk.ac.at)
  • Fermi observations suggest possible years-long cyclic changes in gamma-ray emission from the blazar PG 1553+113. (astronomynow.com)
  • If confirmed, the discovery would mark the first years-long cyclic gamma-ray emission ever detected from any galaxy, which could provide new insights into physical processes near the black hole. (astronomynow.com)
  • Work by Eugene Feenberg and H. Primakoff in 1948, Sachio Hayakawa and I.B. Hutchinson in 1952, and Morrison in 1958, led to the prediction that a number of different phenomena in the cosmos would result in the emission of gamma rays. (newworldencyclopedia.org)
  • Significant gamma-ray emission from our galaxy was first detected in 1967 by the gamma-ray detector aboard the OSO-3 satellite. (newworldencyclopedia.org)
  • This gamma-ray emission is then detected by the H.E.S.S. telescopes (shown in the foreground). (eurekalert.org)
  • As the X-ray emission dimmed in early May, the pulsar's radio beam emerged. (astronomy.com)
  • Blazars are powerful sources of emission across the electromagnetic spectrum and are observed to be sources of high-energy gamma ray photons. (yenra.com)
  • Diffuse emission has dramatically increased the interest of the astrophysical community, due to recent detailed observations by Planck, Fermi-LAT, H.E.S.S. and VERITAS. (cern.ch)
  • Unfortunately disentangling and characterizing this diffuse emission strongly depends on uncertainties in the knowledge of unresolved sources, cosmic rays, matter, radiation fields, and magnetic fields. (cern.ch)
  • Recently NuSTAR, with its sub-arcminute spatial resolution, has discovered an unresolved hard (20-40 keV) X-ray emission within the central 10 pc. (cern.ch)
  • This emission is consistent with either stellar origins, such as large populations of intermediate polars, low-mass X-ray binaries, or. (cern.ch)
  • They also show very good correlation with the microwave emission discovered by the WMAP telescope and the residual diffuse emission in the range above 30 GHz found by the Planck satellite. (cern.ch)
  • Correlation between gamma-ray emission observed by Fermi and radio emission. (cern.ch)
  • The Fermi satellite has recently detected gamma ray emission from the central regions of our Galaxy. (cern.ch)
  • Where in powerful jets of distant active galaxies - the mightiest and most energetic objects known - are the violent outbursts of high energy gamma-ray emission produced? (mpg.de)
  • For the first time a connection between dramatic outbursts of high energy gamma-ray emission and their counterparts at many radio frequencies has been established for a large sample of galaxies. (mpg.de)
  • The new findings demonstrate that the gamma-ray emission originates from the innermost region of the radio jet (white). (mpg.de)
  • Many of the connected physical processes are not understood in detail so far, for example the production of high-energy gamma-ray photons and their place of origin inside the jet, or the origin of strong outbursts of emission across the whole electromagnetic spectrum. (mpg.de)
  • Only the EHT can detect the black hole's shadow, and at the other extreme, Fermi is not able to determine whether the gamma ray emission it detects comes from regions close to the black hole, or from the jet. (harvard.edu)
  • Derek Fox, assistant professor of astronomy and astrophysics at Penn State, who is leading the monitoring effort of GRB 060218 on the Hobby-Eberly Telescope, commented, "This is the burst we've been waiting eight years for," referring to the closest-ever gamma-ray burst, which was detected in 1998. (universetoday.com)
  • Membership in one of the foremost capable experiments in ground-based gamma-ray astronomy, the High Energy Stereoscopic System (H.E.S.S.), allow us to extend observational coverage beyond the Fermi energy regime. (uibk.ac.at)
  • Gamma-ray astronomy at very high energies allows to resolve the expanding shock frontiers of Supernova remnants. (uibk.ac.at)
  • Gamma-ray astronomy is a branch of astronomy that deals with the detection and study of gamma rays in the cosmos. (newworldencyclopedia.org)
  • Thus, gamma-ray astronomy provides the opportunity for scientists to study objects and phenomena in the universe that are associated with extremely high energies. (newworldencyclopedia.org)
  • For this reason, the development of gamma-ray astronomy was delayed until it became possible to place detectors above most (if not all) of the atmosphere, using balloons or spacecraft. (newworldencyclopedia.org)
  • In the late 1960s and early 1970s, gamma-ray astronomy received an unexpected boost from a constellation of defense satellites. (newworldencyclopedia.org)
  • The field of gamma-ray astronomy took great leaps forward with the SAS-2 (1972) and the COS-B (1975-1982) satellites. (newworldencyclopedia.org)
  • Astronomy.com An exceptional binary containing a rapidly spinning neutron star underwent a dramatic change in behavior never before observed - the pulsar's radio beacon vanished while at the same time the system brightened fivefold in gamma rays. (astronomy.com)
  • It wasn t until 1973 that gamma-ray astronomy became a serious topic. (astronomyonline.org)
  • An international team of astronomers led by Lars Fuhrmann from the Max Planck Institute for Radio Astronomy in Bonn, Germany, used some of the best single-dish radio telescopes for several years, in combination with NASA's Fermi Gamma-ray Space Telescope, to study the place where the high energy outbursts occur. (mpg.de)
  • NASA's flagship mission for X-ray astronomy. (harvard.edu)
  • A new estimate of the greenhouse gas emissions linked to all ground- and space-based telescopes, in the journal Nature Astronomy , says the annual carbon footprint of astronomy's research infrastructure is equivalent to about 20 million metric tons of carbon dioxide. (wmra.org)
  • We list here some of the important events in high-energy astronomy (X-ray astronomy, gamma-ray astronomy, gravitational wave and cosmic-ray astronomy) which occurred and/or were announced in this year. (nasa.gov)
  • Note: These items are extracted from the HEASARC's Brief History of High-Energy (X-ray & Gamma-Ray) Astronomy website. (nasa.gov)
  • As ASTRON no longer uses this telescope for that purpose, CAMRAS gives amateur astronomers and other interested parties the opportunity to experiment in the field of astronomy. (camras.nl)
  • Together with observations in visible light, radio astronomy gives a more complete representation of the universe that can also be supplemented with astronomical research using observation equipment suitable for sub-millimeter waves, infrared, X-ray and gamma radiation. (camras.nl)
  • July 21, 2021 Astronomersand engineers are building a new kind of astronomical telescope. (sciencedaily.com)
  • May 25, 2021 A team of scientists has developed the cameras for an astronomical instrument built to perform all-sky surveys in the x-ray wavelength regime. (sciencedaily.com)
  • When the nova exploded in August 2021, the H.E.S.S. telescopes allowed us to observe a galactic explosion in very-high-energy gamma rays for the first time," she continues. (eurekalert.org)
  • Gamma-ray astrophysics using space telescopes focus on signatures of particle interactions in astrophysical environments and their interpretation. (uibk.ac.at)
  • The first true astrophysical gamma-ray sources detected were solar flares, which revealed the strong 2.223 MeV line predicted by Morrison. (newworldencyclopedia.org)
  • Surveying the sky in the TeV energy range, which is observed by astrophysicists only since last two decades, allows the get an insight into the origin of cosmic rays and to study the acceleration of cosmic rays in various astrophysical objects such as supernovae remnants or active galactic nuclei. (cea.fr)
  • Long before scientists could detect gamma rays from cosmic sources, they had suspected that the universe may be producing photons in this energy range. (newworldencyclopedia.org)
  • In 1961, the Explorer 11 satellite carried the first space-based gamma-ray telescope, which detected less than 100 cosmic gamma-ray photons. (newworldencyclopedia.org)
  • [1] As these photons seemed to come from all directions, they suggested the presence of a uniform "gamma-ray background" in the universe. (newworldencyclopedia.org)
  • In a decade of Fermi observations of this source, this was the strongest flare in gamma rays, the highest-energy photons. (yenra.com)
  • Inside the jet gamma-ray photons are also produced. (mpg.de)
  • In the vicinity of a spinning supermassive black hole (billions of times heavier than our Sun) an enormous amount of energy is released, often in the most energetic form of light: high energy gamma-ray photons at mega- or even gigaelectronvolt (MeV/GeV) energies. (mpg.de)
  • Amateur astronomers in the northern hemisphere with a good telescope in dark skies also can view the source. (universetoday.com)
  • Amateur astronomers in dark skies might be able to see the explosion with a 16-inch telescope as it hits 16th-magnitude brightness. (universetoday.com)
  • Peppered throughout the Universe, these "stellar mass" black holes are generally 10 to 24 times as massive as the Sun. Astronomers spot them when another star draws near enough for some of the matter surrounding it to be snared by the black hole's gravity, churning out x-rays in the process. (nasa.gov)
  • Astronomers using data from NASA's Fermi Gamma-ray Space Telescope have detected hints of periodic changes in the brightness of a so-called "active" galaxy, whose emissions are powered by a supersized black hole. (astronomynow.com)
  • Astronomers have found that the universe contains a uniform background of gamma radiation, which has been attributed to the interaction of cosmic rays with interstellar gas. (newworldencyclopedia.org)
  • The telescopes were pointed towards the nova at very short notice after amateur astronomers first reported the nova to the astrophysics community. (eurekalert.org)
  • To better understand J1023's spin and orbital evolution, astronomers regularly monitored the system in radio using the Lovell Telescope in the United Kingdom and the Westerbork Synthesis Radio Telescope in the Netherlands. (astronomy.com)
  • A few months before this, astronomers found a much more distant system that flipped between radio and X-ray states in a matter of weeks. (astronomy.com)
  • Astronomers observe the stars around a black hole possible by selecting those that emit X-ray outburst optical light and radio. (astronoo.com)
  • No study had ever tried to calculate the carbon emissions due to the construction and operation of all the telescopes and space missions that astronomers use to make observations," notes Hughes. (wmra.org)
  • For all their importance, it's a bit embarrassing for astronomers that we don't know fundamental facts about the environs of these supernovae," said Stefan Immler, an astrophysicist at NASA's Goddard Space Flight Center in Greenbelt, Md. "Now, thanks to unprecedented X-ray and ultraviolet data from Swift, we have a clearer picture of what's required to blow up these stars. (enewspf.com)
  • and the X-ray Telescope, and Ultraviolet/Optical Telescope, which provide high-resolution imagery and spectra across a broad range of wavelengths. (universetoday.com)
  • Some objects emit almost solely in visible light and can only be seen with an optical telescope. (camras.nl)
  • In a companion study, a team led by Peter Brown at the University of Utah in Salt Lake City looked at 12 Type Ia events observed by Swift's Ultraviolet/Optical Telescope (UVOT) less than 10 days after the explosion. (enewspf.com)
  • Though they were discovered decades ago, cosmic rays at these high energies are very rare, making it difficult to pinpoint where in the universe they originated. (dailymail.co.uk)
  • As member of the collaboration we investigate particle acceleration at TeV-energies and characterize galactic gamma-ray sources according to their morphology, variability- and periodicity patters. (uibk.ac.at)
  • This instrument is dedicated to the observation of high energy gamma ray sources with energies above a few tens of GeV. (cea.fr)
  • A later follow-up by MAGIC detected gamma rays of even higher energies, and observations from other instruments-including optical, radio, and X-ray telescopes-bolstered the case for TXS 0506+056 as the source of the Sept. 22 high-energy cosmic neutrinos. (yenra.com)
  • Gamma-ray binaries, rare binary systems consisting of a massive star orbiting with a compact object, have in recent years been shown to be capable of efficient particle acceleration up to multi-TeV energies. (aps.org)
  • The workshop on "Hadron-Hadron and Cosmic-Ray Interactions at multi-TeV Energies" held at the ECT* centre (Trento) in Nov.-Dec. 2010 gathered together both theorists and experimentalists to discuss issues of the physics of high-energy hadronic interactions of common interest for the par- ticle, nuclear and cosmic-ray communities. (lu.se)
  • The light from the jet overpowers the light from the galaxy and can be seen at almost all wavelengths from radio to very high-energy gamma-rays. (sciencedaily.com)
  • The fact that the pattern is so consistent across such a wide range of wavelengths is an indication that the periodicity is real and not just a fluctuation seen in the gamma-ray data. (astronomynow.com)
  • They confirmed the earlier findings of the gamma-ray background, produced the first detailed map of the sky at gamma-ray wavelengths, and detected a number of point sources. (newworldencyclopedia.org)
  • This construction makes this telescope suitable for astronomical observations at wavelengths between a few centimeters and a few meters. (camras.nl)
  • According to Ruslan Konno, one of the lead authors of the study and a doctoral candidate at DESY in Zeuthen, "The observation that the theoretical limit for particle acceleration can actually be reached in genuine cosmic shock waves has enormous implications for astrophysics. (eurekalert.org)
  • Material does not simply catapult from an exploding star, it accelerates to ultra-high speeds along the narrow beam of the gamma-ray jet, leaving astrophysics puzzled over the power source driving these extraordinary explosions. (newswise.com)
  • Professor Carole Mundell, head of Astrophysics at the University of Bath and co-author on the research, said: "Our innovative telescope systems are entirely autonomous, with no humans in the loop, so they slued very quickly and began taking observations of the GRB almost immediately after its discovery by the Swift satellite. (newswise.com)
  • Scientists have discovered a 'trap' at the center of the Milky Way that could be capturing high-energy cosmic rays. (dailymail.co.uk)
  • The Swift satellite, whose mission control center is in State College, has detected a cosmic explosion that has sent scientists around the world scrambling to telescopes to document this startling event. (universetoday.com)
  • Scientists can't directly observe black holes with telescopes that detect x-rays, light, or other forms of electromagnetic radiation. (nasa.gov)
  • GRBs are detected by dedicated satellites orbiting Earth, however no one can predict where or when a GRB will appear, so scientists rely on autonomous rapid-response robotic telescopes to catch the fast-fading light of the afterglow. (newswise.com)
  • Telescopes all over the world and in space were busy on Aug. 17, when scientists made the first-ever observations of both light and gravitational waves from a single cosmic event . (space.com)
  • Scientists have coordinated observations of many of the world's most powerful telescopes of the supermassive black hole in the galaxy M87. (harvard.edu)
  • In April 2019, scientists released the first image of a black hole in the galaxy M87 using the Event Horizon Telescope (EHT). (harvard.edu)
  • To gain crucial insight into the black hole's properties and help interpret the EHT image, scientists coordinated observations with 19 of the world's most powerful telescopes on the ground and in space, collecting light from across the spectrum. (harvard.edu)
  • And that's just from using the telescopes - it doesn't include things like scientists' travel to conferences, supercomputing power and office heating. (wmra.org)
  • Although a rare event, scientists expect to observe an increasing number of observations in the near future when the gravitational-wave detectors Advanced LIGO, Advanced Virgo, and KAGRA are back online with improved sensitivity after a three-year upgrade. (mpg.de)
  • Near-future sub-millimetric VLBI observations of the surroundings of the Galactic center supermassive black hole, Sgr A*, by the Event Horizon Telescope (EHT) will lead to unprecedented constraints on the nature of the accretion flow surrounding this compact object. (cern.ch)
  • In April 2019, the Event Horizon Telescope (EHT) released the first direct image of this black hole. (harvard.edu)
  • If the gamma-ray cycle of PG 1553+113 is in fact real, they predict it will peak again in 2017 and 2019, well within Fermi's expected operational lifetime. (astronomynow.com)
  • The observations were concentrated from the end of March to the middle of April 2017. (harvard.edu)
  • Launch on a SpaceX Dragon spacecraft of the ISS-CREAM (International Space Station Cosmic Ray Energetics And Mass) payload that will be subsequently attached robotically to the International Space Station and, starting in Fall 2017, will be used to to extend the energy reach of direct measurements of cosmic rays to the highest energy possible to probe their origin, acceleration and propagation. (nasa.gov)
  • Another US satellite, the OSO-7, detected gamma-rays from a solar flare in 1972. (astronomyonline.org)
  • Called cosmic rays, they're up to a billion times more energetic than particles at Cern's Large Hadron Collider. (dailymail.co.uk)
  • Our results suggest that most of the cosmic rays populating the innermost region of our galaxy, and especially the most energetic ones, are produced in active regions beyond the galactic center and later slowed there through interactions with gas clouds,' said lead author Danielle Gaggero at the University of Amsterdam. (dailymail.co.uk)
  • The most energetic cosmic rays spend more time in the central part of the galaxy than previously thought, so they make a stronger impression in gamma rays,' said co-author Alfredo Urbano at the European Organization for Nuclear Research in Geneva and INFN Trieste. (dailymail.co.uk)
  • Gamma rays are the most energetic form of electromagnetic radiation and are produced by phenomena such as explosions and high-speed collisions. (newworldencyclopedia.org)
  • These phenomena included supernova explosions, interactions of cosmic rays (very energetic charged particles in space) with interstellar gas, and interactions of energetic electrons with magnetic fields . (newworldencyclopedia.org)
  • Cosmic rays are immense showers of energetic subatomic particles that come from every direction in space at the same time, and which have an unclear exact origin. (eurekalert.org)
  • Since they were first detected more than a hundred years ago, cosmic rays-highly energetic particles that continuously rain down on Earth from space-have posed enduring questions: What creates and launches these particles across such vast distances? (yenra.com)
  • For years, physicists have known of a mysterious surplus of energy at the Milky Way's center, in the form of gamma rays - the most energetic waves in the electromagnetic spectrum. (scitechdaily.com)
  • The targeted object is an X-ray source, belonging to an enigmatic class of supermassive black holes in a galaxy very far away (1.5 billion light years away) which shoots out powerful jets of highly accelerated particles at speeds near the speed of light and pointing quite closely towards the Earth. (sciencedaily.com)
  • Measuring delays in time between these events finally produced better constraints on the exact location in the vicinity of supermassive black holes where the gamma-ray outbursts take place. (mpg.de)
  • The result would be a slow oscillation of the jet much like that of a lawn sprinkler, which could produce the cyclic gamma-ray changes we observe. (astronomynow.com)
  • The Soft X-ray focusing Telescope (SXT) onboard Astrosat, India's first satellite dedicated to astronomical observations, saw its first light from an astronomical source in a distant galaxy, on Oct. 26. (sciencedaily.com)
  • The Soft X-ray focusing Telescope (SXT) onboard Astrosat, India's first satellite dedicated to astronomical observations, saw its first light from an astronomical source on Oct. 26, 2015, after the camera door was opened at 06:30UT. (sciencedaily.com)
  • This can be done by contributing to building receivers, making radio astronomical observations and developing computer programs to process and to interpret the observations. (camras.nl)
  • Artificial light at night, radio interference, and the deployment of satellite constellations are all rapidly increasing and are having adverse impacts on astronomical observations, limiting scientific discoveries, cultural connections to the night sky, and opportunities presented by astrotourism. (bvsalud.org)
  • Search for evaporating primordial micro black holes (MBH) from their presumed gamma burst signatures (Hawking Radiation component). (wikipedia.org)
  • The explosion has the trappings of a gamma-ray burst, the most distant and powerful type of explosion known. (universetoday.com)
  • This event, however, was about 25 times closer and 100 times longer than the typical gamma-ray burst. (universetoday.com)
  • This is the second-closest gamma-ray burst ever detected, if indeed it is a true burst. (universetoday.com)
  • This could be a new kind of burst, or we might be seeing a gamma-ray burst from an entirely different angle," he said. (universetoday.com)
  • Did a Gamma Ray Burst Accompany LIGO's Gravity Wave Detection? (universetoday.com)
  • An artist's impression of a Gamma Ray Burst. (universetoday.com)
  • But now a Gamma Ray Burst (GRB) originating from the same place, and that arrived at Earth 0.4 seconds after the GW, is making news. (universetoday.com)
  • GBM = Gamma-ray Burst Monitor (one of the instruments on the Fermi Gamma-ray Space Telescope). (universetoday.com)
  • The researchers noted a startlingly low level of polarisation in the gamma-ray burst in the moments straight after the star's collapse, indicating the star's magnetic field had been destroyed during the explosion. (newswise.com)
  • GW170817 refers to the gravitational waves observed from the merger, while GRB 170817A looks at the gamma-ray burst produced by the neutron-star merger. (space.com)
  • MIT physicists are reigniting the possibility, which they previously had snuffed out, that a bright burst of gamma rays at the center of our galaxy may be the result of dark matter after all. (scitechdaily.com)
  • The optical observations began ${∼}0.5$ day after the burst and lasted almost continuously for ${∼}24$ days. (harvard.edu)
  • Convincing evidence of an incipient supernova explosion at the location of the burst source was obtained at the end of the first series of observations. (harvard.edu)
  • Thirty such events based on photometric observations of burst afterglows were known before it. (harvard.edu)
  • The phenomenon was spotted using data from NASA 's Fermi Gamma-ray Space Telescope and the High Energy Stereoscopic System (HESS), and according to the researchers, this region may concentrate some of the fastest particles in the galaxy. (dailymail.co.uk)
  • According to the researchers, this suggests the same cosmic rays found elsewhere in the galaxy are responsible for the gamma rays seen at the center. (dailymail.co.uk)
  • An X-ray-selected galaxy cluster in the Lockman Hole at redshift 1.753. (mpg.de)
  • XMM-Newton EPIC observation of the galaxy cluster A 3667. (mpg.de)
  • Optical and X-ray morphologies of galaxy clusters, and comparisons with various cluster characteristics. (mpg.de)
  • EPIC-XMM-Newton observations of two nearby galaxy clusters. (mpg.de)
  • 261. Reconstruction of the past history of the center of our Galaxy through X-Ray reflection spectra simulations. (cern.ch)
  • Amateur observers can use telescopes to see the galaxy as a fuzzy object, which is located near galaxies M83 and M68. (space.com)
  • A map of gamma-ray emissions throughout the Milky Way galaxy, based on observations from the Fermi Gamma-ray Space Telescope. (scitechdaily.com)
  • The inset depicts the Galactic Center Excess - an unexpected, spherical region of gamma-ray emissions at the center of our galaxy, of unknown origin. (scitechdaily.com)
  • But there is a glow of gamma rays at the Milky Way's center, known as the galactic center excess, or GCE, with properties that are difficult for physicists to explain given what they know about the distribution of stars and gas in the galaxy. (scitechdaily.com)
  • The researchers had analyzed observations of the galactic center taken by the Fermi Gamma-ray Space Telescope, using a "background model" that they developed to describe all the particle interactions in the galaxy that could produce gamma rays. (scitechdaily.com)
  • While the Milky Way galaxy more or less resembles a flat disk in space, the excess of gamma rays at its center occupies a more spherical region, extending about 5,000 light years in every direction from the galactic center. (scitechdaily.com)
  • She and her team used a background model of all the matter and gas in the galaxy, and all the particle interactions that could occur to produce gamma rays. (scitechdaily.com)
  • The above image (from the ESA Website ) demonstrates the existence of bright gamma-ray sources within our galaxy. (astronomyonline.org)
  • It was determined at this time (between 1975 and 1982 when the COS-B mission was active) that the gamma-ray sources were restricted to our own galaxy. (astronomyonline.org)
  • We then follow up the targets over weeks with over 30 telescopes worldwide, including global telescope networks, to classify fast events that are associated with slower-evolving events and get host galaxy and other information. (edu.au)
  • The Galactic Center region contains one of the highest concentration of X-ray sources in the Milky Way. (cern.ch)
  • If, however, dark matter is the source of the gamma ray excess, the spherical region should look smooth: "Every line of sight toward the galactic center probably has dark matter particles, so I shouldn't see any gaps or cold spots in the signal," Slatyer explains. (scitechdaily.com)
  • 100 GeV) gamma-ray survey of the Galactic Center region [11] . (mpg.de)
  • It will also have soft and medium X-ray (1 - 30 keV) detectors for pointed observations of such objects as X-ray binary systems containing black holes or neutron stars, active galactic nuclei (AGN), supernova remnants, soft gamma repeaters (SGRs), and clusters of galaxies. (nasa.gov)
  • When a supernova shock wave plows into this material, it becomes heated and emits X-rays. (enewspf.com)
  • This states that repeated violent collisions between material blasted out during the explosion and material surrounding the dying star produce the gamma-ray flash and the subsequent fading afterglow - the dying embers of the expanding fireball. (newswise.com)
  • While the actual GRB event was not captured, the residual hot X-Ray afterglow was detected. (astronomyonline.org)
  • This image is one such afterglow in the X-Ray wave band. (astronomyonline.org)
  • Multicolor photometric observations in the optical band and a comprehensive study in the X-ray, gamma-ray, and radio bands are presented for GRB 181201A and its afterglow. (harvard.edu)
  • As the attracted matter accelerates and heats up, it emits x-rays that radiate into space. (nasa.gov)
  • Next, the view changes to telescopes that detect visible light (Hubble and Swift), ultraviolet light (Swift), and X-rays (Chandra and NuSTAR). (harvard.edu)
  • Within the image are H II regions (red +s), stars (red *s), X-ray sources (Xs), infrared objects (red diamonds), molecular clouds (MolClds), reflection nebulae (RfNebs), dark nebulae (DkNebs), and the interstellar medium (ISM). (wikiversity.org)
  • Such a background would be expected from the interaction of cosmic rays with interstellar gas. (newworldencyclopedia.org)
  • In 1952, gamma-rays emanating from astronomical phenomenon were thought to emanate from interactions between cosmic rays and interstellar hydrogen (Prantzos, 2005). (astronomyonline.org)
  • It's thought that some come from supernovae, but it's likely there are other sources of cosmic rays in the universe as well. (dailymail.co.uk)
  • These rays are typically produced by the hottest, most extreme objects in the universe, such as supernovae and pulsars. (scitechdaily.com)
  • Goddard Space Flight Center, Greenbelt, MD-(ENEWSPF)- Studies using X-ray and ultraviolet observations from NASA's Swift satellite provide new insights into the elusive origins of an important class of exploding star called Type Ia supernovae. (enewspf.com)
  • The satellite's X-ray Telescope (XRT) has studied more than 200 supernovae to date, with about 30 percent being Type Ia. (enewspf.com)
  • Russell and Immler combined X-ray data for 53 of the nearest known Type Ia supernovae but could not detect an X-ray point source. (enewspf.com)
  • The lack of X-rays from the combined supernovae shows that supergiant stars, and even sun-like stars in a later red giant phase, likely aren't present in the host binaries. (enewspf.com)
  • This model seemed to have been confirmed by the US satellite HEAO-3 when spectroscopy of a gamma-ray pulsar was shown to contain a high energy spectral line of Aluminum (Prantzos, 2005). (astronomyonline.org)
  • The fast transient identifications are needed to trigger rapid response (within minutes) telescopes, including large 8m-class and space telescopes, to get deep spectroscopy and imaging before the events fade. (edu.au)
  • These jets produce light spanning the entire electromagnetic spectrum , from radio waves to visible light to gamma rays. (harvard.edu)
  • During this time, the Cold War between the United States and Soviet Union was in full swing, and to determine if the Soviets were complying with the nuclear test ban treaty, the VELA series spacecraft was launched to detect higher energy gamma-rays higher than those detected coming from the Sun or the Crab Nebula. (astronomyonline.org)
  • The sequence finishes by showing what gamma ray telescopes on the ground, and Fermi in space, detect from this black hole and its jet. (harvard.edu)
  • The phenomenon was spotted using data from NASA's Fermi Gamma-ray Space Telescope and the High Energy Stereoscopic System (HESS). (dailymail.co.uk)
  • NASA's Fermi telescope detected the GRB, coming from the same point as the GW, a mere 0.4 seconds after the waves arrived. (universetoday.com)
  • The pulsar's radio beacon vanished while at the same time the system brightened fivefold in gamma rays, the most powerful form of light, according to measurements by NASA's Fermi Gamma-ray Space Telescope. (astronomy.com)
  • This wider view of NGC 4993 comes from the Visible MultiObject Spectrograph (VIMOS) on the European Southern Observatory's Very Large Telescope, located in the Atacama Desert in northern Chile. (space.com)
  • Within one minute of the GRB discovery, the telescopes were gathering data about the emissions. (newswise.com)
  • Gamma-ray emissions were even detected from the Crab Nebula in 1961 by the United States satellite, OSO-3. (astronomyonline.org)
  • Because these gamma-ray emissions were detected, the source of these emissions must be pretty strong between 10 38 to 10 42 ergs [2] . (astronomyonline.org)
  • Data were sometimes hard to come by, but they did their best to approximate and tally up greenhouse gas emissions associated with nearly 50 space-based missions and 40 ground-based telescope facilities. (wmra.org)
  • What's more, they say, until research can be made more sustainable, through measures like renewable energy sources, one option to reduce emissions is to slow down the pace of building ever larger and more sophisticated new telescopes. (wmra.org)
  • They have been documented to emit massive amounts of electromagnetic radiation (mainly gamma) and have recently been found to emit multiple plasma jets as well as light. (universetoday.com)
  • They reasoned that, if pulsars are the source of the gamma ray excess, and these pulsars are relatively bright, the gamma rays they emit should inhabit a spherical region that, when imaged, looks grainy, with dark gaps between the bright spots where the pulsars sit. (scitechdaily.com)
  • Observations by the HESS Collaboration in 2016 revealed a glow of gamma rays reaching nearly 50 trillion electron volts (TeV). (dailymail.co.uk)
  • It was named after a famous austrian physicist, Victor Hess (1883-1964) , who was awarded the Nobel price in physics in 1936 for discovering cosmic rays. (cea.fr)
  • The HESS apparatus consists in four 12 meter telescopes at the corners of a square with 120 meter sides. (cea.fr)
  • Here we present results of recent VERITAS observations of gamma-ray binaries, including the detection of the 50-year period, pulsar-driven binary PSR J2032+4127, a ten-year X-ray and TeV light curve of HESS J0632+057, and potential super-orbital variability from LS I +61 303. (aps.org)
  • The same breakneck particle collision responsible for producing these gamma rays should also produce neutrinos, the fastest, lightest, and least understood fundamental particles,' said co-author Antonio Marinelli of IFN Pisa. (dailymail.co.uk)
  • Because cosmic rays are charged particles, their paths are bent by the magnetic fields that fill space. (yenra.com)
  • Some of the properties of these particles can be inferred from observations. (mpg.de)
  • Following a complex transition of hadronization, radiation and decay of the Standard-Model particles produced in the annihilation process, gamma rays will eventually emerge from the annihilation and can be detected with H.E.S.S. (mpg.de)
  • WIMP annihilations would produce a flux of gamma rays depending on the amount of DM in the source and its distance to the observer on Earth, usually expressed by the so-called J-factor, as well as the annihilation cross section between the two DM particles. (mpg.de)
  • We coordinate the world's largest and most sensitive wide-field telescopes in the radio, mm/sub-mm, optical, UV, X-ray, gamma-ray and ultra-high energy particles to point at the same fields in the sky at the same time. (edu.au)
  • The candidate particles, ranging from protons to nuclei as massive as iron, generate "extensive air-showers" (EAS) in interactions with air nuclei when en- tering the Earth's atmosphere. (lu.se)
  • This telescope system been designed and built by a large international collaboration which includes the DAPNIA as a member. (cea.fr)
  • Swinburne is proud to be leading The Deeper, Wider, Faster (DWF) program - the largest astronomical collaboration in the world, involving over 70 telescopes across all seven continents and in space and many top-tier universities and institutions. (edu.au)
  • Observations were performed with the 7-channel ``Gamma-Ray Optical and Near-infrared Detector'' (GROND) at the 2.2m MPI/ESO telescope. (u-strasbg.fr)
  • The Research Group of Olaf Reimer is interested in sigantures of Cosmic Ray interactions. (uibk.ac.at)
  • The latest cosmic-ray results from various ground-based obser- vatories were also presented with an emphasis on the phenomenological modeling of the first hadronic interactions of the extended air-showers generated in the Earth atmosphere. (lu.se)
  • While this effect is not shown in the conventional models of cosmic ray movement, the researchers say simulations incorporating it have better agreement with the Fermi observations. (dailymail.co.uk)
  • and (4) measure electrons with sufficient accuracy and statistics to determine whether or not a nearby cosmic-ray source exists. (nasa.gov)
  • The mission is a joint venture of NASA, the United States Department of Energy, and government agencies in France, Germany, Italy, Japan, and Sweden, becoming the most sensitive gamma-ray telescope on orbit, succeeding INTEGRAL. (wikipedia.org)
  • He guided NASA through the development of a new generation of spacecraft to enable the extended exploration of our solar system, deeper observations of our known universe, and more precise observations of the physical and biological dynamics of our own planet. (businesswire.com)
  • Such complete coverage of the light curve became possible owing to the coordinated work of a network of nine telescopes worldwide. (harvard.edu)
  • The main challenge addressed by the OOQS design is to perform online data quality checks on the data streams produced by nine telescopes, acquired by the Array Data Acquisition System and forwarded to the OOQS. (arxiv.org)
  • Probe dark matter (e.g. by looking for an excess of gamma rays from the center of the Milky Way) and early Universe. (wikipedia.org)
  • Gamma rays are found across the disk of the Milky Way, and for the most part physicists understand their sources. (scitechdaily.com)
  • The Dwingeloo Radio Telescope was built for scientific research of radio waves from the Milky Way and the universe. (camras.nl)
  • This is the first time we have ever been able to carry out observations like this, and it will allow us to gain even more accurate future insights into how cosmic explosions work," explains Dmitry Khangulyan, a theoretical astrophysicist at Rikkyo University in Tokyo, Japan. (eurekalert.org)
  • Penn State lead the development of the X-ray and Ultraviolet/Optical Telescopes. (universetoday.com)
  • The ultraviolet studies rely on early, sensitive observations. (enewspf.com)
  • Early Swift UVOT observations show no ultraviolet enhancement. (enewspf.com)
  • Recent radio telescope data seems to contradict the model or at least confirms data that the model cannot explain. (universetoday.com)
  • The Square Kilometre Array (SKA) is a radio telescope made of thousands of antennas distributed over a distance of at least 3000 km. (iaa.es)
  • The cyclic variations in visible light and radio waves are similar to what we see in high-energy gamma-rays from Fermi," said Stefan Larsson, a researcher at the Royal Institute of Technology in Stockholm and a long-time collaborator with the ASDC team. (astronomynow.com)
  • These observations revealed that the pulsar's radio signal had turned off and prompted the search for an associated change in its gamma-ray properties. (astronomy.com)
  • More importantly, CTA will significantly enlarge the region already excluded by AMS and CMS, and will provide valuable complementary information to future SKA radio observations. (cern.ch)
  • New insights into this long-standing question became possible recently, thanks to intensive, multi-frequency radio observations of powerful active galaxies. (mpg.de)
  • It then moves through images from other radio telescope arrays from around the globe, moving outward in the field of view during each step. (harvard.edu)
  • Other objects radiate almost exclusively in radio waves and can only be detected with a radio telescope. (camras.nl)
  • The diameter of the mirror of the Dwingeloo Radio Telescope is 25 meter and the mesh size of the wire mesh is 8 millimeter. (camras.nl)
  • In order to make a detailed map of the radio sky, the telescope must make many single-point observations with spacing of half a beam and combine them. (camras.nl)
  • Data from the Fermi Gamma-ray Space Telescope are used to distinguish spectra, variability and periodicity pattern and allow us to assess source extension and morphology in a broad variety of astronomical objects. (uibk.ac.at)
  • During the initial mass-transfer stage, the system would qualify as a low-mass X-ray binary, with a slower-spinning neutron star emitting X-ray pulses as hot gas raced toward its surface. (astronomy.com)
  • He recommends follow-up observations in all filters (UBVRI) beginning immediately and continuing until the quasar has returned to its normal behavior. (aavso.org)