Analytical, Diagnostic and Therapeutic Techniques and Equipment
Photometry
RedshiftsLuminousRadiometricPhotometryImagerSpectralSpectroscopicAccurateRadialDetectorObservationsLEDsAbstractSpectrophotometricProcedureQuantitativePhotometerWater vaporValidityDataLightOpticalPrecisionConstraintsGalaxyAnalysisMethodSensorsStandardsMassSurveyAccuracyInstrumentsSystemsFieldColorFilesSeriesRangeUserActivityObservation
Redshifts1
  • We present a study of galaxy clustering using 900,000 luminous galaxies with photometric redshifts, spanning between z = 0.45 and z = 0.65, constructed from the SDSS using methods described in Ross et al. (psu.edu)
Luminous2
  • The luminous intensity measurements (in candela) shall be recorded for each of the test points and zones specified for the function of the device under test. (sae.org)
  • Metrology Research Institute studied the measurement of the luminous flux output of OLEDs in the integrating sphere setup. (aalto.fi)
Radiometric1
  • The TRs were calibrated against NIST detector/radiometer standards holding the NIST photometric and radiometric scales. (nist.gov)
Photometry4
  • The photometric stellar mass M phot (≤R Ein ) is measured by fitting the observed spectral energy distribution of the galaxies (from the SDSS multi-band photometry over 354-913 nm) with composite stellar population templates, under the assumption that light traces stellar mass. (pucv.cl)
  • This suggests that both methods can separately yield reliable stellar masses of early-type galaxies, and confirms that photometric mass estimates are accurate, as long as optical/near-IR rest frame photometry is available. (pucv.cl)
  • Photometry is the measurement of light absorbed in the ultraviolet (UV) to visible (VIS) to infra-red (IR) range. (sigmaaldrich.com)
  • Photometry uses Beer-Lambert's law to calculate coefficients obtained from the transmittance measurement. (sigmaaldrich.com)
Imager1
  • In this work, we evaluate whether the filter design of the Multi-channel Imager (MCI), one of the five instruments of the CSST, can provide accurate photometric redshift (photoz) measurements with its nine medium-band filters to meet the relevant scientific objectives. (raa-journal.org)
Spectral1
  • Evidence of atmospheric contamination on the measurement of the spectral response of the GMS-5 water vapor channel. (ametsoc.org)
Spectroscopic2
  • I will discuss the results of a dedicated effort to expand our spectroscopic measurements of dust extinction to the far-UV, optical, near-infrared, and mid-infrared wavelength regimes. (speakerdeck.com)
  • BVR photometric and quasi-simultaneous optical spectroscopic observations of the star HD 81032 have been carried out during the years 2000-2004. (ias.ac.in)
Accurate3
  • This document specifies minimum requirements to support accurate measurement of optical signals in photometric methods used for qualitative or quantitative characterization of biological samples. (iso.org)
  • A correlation between absorbance and analyte concentration is then established by a test-specific calibration function to achieve highly accurate measurements. (sigmaaldrich.com)
  • The properties of OLEDs introduce new design possibilities but also create challenges for accurate photometric measurements. (aalto.fi)
Radial1
  • We combined the K2 photometric data with a series of multicolour photometric observations, imaging, and radial velocity measurements to rule out false positive scenarios and to determine the fundamental properties of the system. (lu.se)
Detector1
  • The ability to measure two wavelength ranges without having to change the detector head and relocate it for measurement greatly simplifies the measurement procedure. (light-measurement.com)
Observations2
  • It will be essential to have positive observations from this night to satisfy the HST planners, so observers with suitable equipment are urged to obtain positive measurements of this faint star. (aavso.org)
  • We present photometric observations of four stars that are optical counterparts of soft X-ray/EUV sources, namely 1ES 0829+15.9, 1ES0920-13.6, 2RE J1 10159+223509 and 1ES 1737+61.2. (ias.ac.in)
LEDs2
  • The evaluation board consists of power management, one photodiode, six LEDs, and a photometric front end, the ADPD1080. (analog.com)
  • The project focused on improving the measurement accuracy of novel lighting products such as LEDs and OLEDs. (aalto.fi)
Abstract1
  • Abstract The China Space Station Telescope (CSST) photometric survey aims to perform a high spatial resolution (~0".15) photometric imaging for the targets that cover a large sky area (~17,500 deg2) and wide wavelength range (from NUV to NIR). (raa-journal.org)
Spectrophotometric2
  • The term photometric mesurement was originally defined as measurement of light intensity of multiple wavelengths, while spectrophotometric measurements formerly meant mesurement of light intenisty in a much narrower wavelength range. (kjcls.org)
  • Spectrophotometric measurement in the range 400 - 700 nm at 10-nm intervals. (sigmaaldrich.com)
Procedure4
  • This document specifies the photometric reference measurement procedure for the determination of volume of piston-operated volumetric apparatus (POVA). (iso.org)
  • The procedure is applicable to complete systems comprising the basic apparatus with a maximum nominal volume of 5 000 µl and all parts selected for use with the apparatus, disposable or reusable, involved in the measurement by delivery (Ex). (iso.org)
  • The zeroing procedure for the measurement series is automatically prompted by the instrument. (sigmaaldrich.com)
  • Press "START" to start the measurement procedure for the next sample. (sigmaaldrich.com)
Quantitative1
  • Future studies that integrate quantitative measurements of indoor and outdoor light at night are warranted. (cdc.gov)
Photometer1
  • The choice of photometer heads is due to speed of execution of the measurements. (lares.pro)
Water vapor1
  • These include an infrared camera for the mineralogical analysis of the Martian surface, two spectrometers for the measurement of water vapor, carbon dioxide and ozone in the atmosphere and, in particular, the high-resolution stereo camera (HRSC). (spacedaily.com)
Validity2
  • This paper examines the validity of using these same photometric file types for the simulation of vehicle headlamps by comparing the light distribution from actual vehicle headlamps to photometric files of these same headlamps. (sae.org)
  • The PTRam is self-monitoring, with self-calibration and system performance validation tests automated in the Vision software to ensure the validity of each measurement. (photonics.com)
Data6
  • We generate the mock data based on the COSMOS photometric redshift catalog with astrophysical and instrumental effects. (raa-journal.org)
  • This data set spans 11,000 deg 2 and probes a volume of 3 h -3 Gpc 3 , making it the largest volume ever used for galaxy clustering measurements. (psu.edu)
  • Within a lighting simulation, photometric files, such as the photometric standard light data file format, are often used to simulate light sources such as street lamps and exterior building lights in nighttime environments. (sae.org)
  • Measurement and presentation of photometric data of lamps and luminaires. (standardsdirect.org)
  • We have constructed the bolometric light curve of SN 1993J based on UBVRI(JHK) photometric data obtained from various sources and assuming A V = 0 and a distance modulus of 27.6. (ias.ac.in)
  • In this paper, we present new space- and ground-based photometric data of WASP-47b and WASP-47-d, including 11 unpublished light curves from the ESA mission CHaracterising ExOPlanet Satellite (CHEOPS). (lu.se)
Light6
  • Measurement on flashing light allowed. (lares.pro)
  • The photometric head is placed inside a stray light eliminating tube. (lares.pro)
  • Liquid Penetrant Testing of surface defects using the dye penetration process (DIN EN 1956, ASTM and MIL Standards) and Photostability testing of drug and drug products as stated in ICH guidelines (International Conference for Harmonization) requires the intensity or XD-9502: UV-A Irradiance & V(λ) Illuminance dose control of the light sources used for test sample irradiation. (light-measurement.com)
  • Light values are calculated in a simulated environment and numerically compared to light measurements taken in situ of actual headlamps. (sae.org)
  • A discussion of how light distribution of a photometric file differs from light distributed by an actual headlamp assembly is included to articulate the primary differences. (sae.org)
  • Changed 4.5.2.7.7 - Photometric measurements and scan shall be performed with the light source(s) steady burning. (sae.org)
Optical3
  • Optical methods involve the visual and photometric analysis of pH-dependent color changes. (ysi.com)
  • The area of application for optical pH measurement, be it visual or photometric, is very limited. (ysi.com)
  • This document addresses the verification of optical signal measurement instruments used in photometric methods for measurement of biological samples including considerations for the use of optical references. (iso.org)
Precision1
  • The system testing provides a complete instrumental status diagnosis including Raman shift accuracy and photometric precision. (photonics.com)
Constraints1
  • Dust extinction measurements provide important constraints on the size ,composition, shape, and abundance of dust grains and an empirical model to account of the effects of extinction on astrophysical objects. (speakerdeck.com)
Galaxy2
  • For decades our understanding of dust grains was strongly biased by measurements in our Galaxy and the ultraviolet (UV). (speakerdeck.com)
  • Bayesian Galaxy Shape Measurement for Weak Lensing Surveys -II. (harvard.edu)
Analysis2
  • This original concentration must be diluted to a value in the middle of the measurement range using water for analysis or distilled water and analyze. (sigmaaldrich.com)
  • Simultaneous pulsed flame photometric and mass spectrometric detection for enhanced pesticide analysis capabilities. (cdc.gov)
Method1
  • This method uses the electrical potential of pH-sensitive electrodes as a measurement signal. (ysi.com)
Sensors1
  • It is one of the most sensitive and at the same time most selective sensors there is and has an unmatched measurement of pH 0 to 14, which means from percent to ppq (= parts per quadrillion = one molecule in one quadrillion other molecules). (ysi.com)
Standards2
  • Windows software developed to make homologation measurements and check conformity of lamps to standards. (lares.pro)
  • The CCD chip is calibrated using the photometric standards in the field and linear colour transformation relations are derived. (ias.ac.in)
Mass1
  • We obtain a Pearson linear correlation coefficient of 0.94 and a median value of the ratio between the former and the latter mass measurements of 1.1 ±0.1. (pucv.cl)
Survey1
  • We describe in detail the construction of the survey window function and various systematics affecting our measurement. (psu.edu)
Accuracy1
  • In addition, new methods for improving the measurement accuracy in test laboratories were developed. (aalto.fi)
Instruments2
  • In order to perform radiance and luminance level measurements of night-vision-goggle (NVG) test instruments, NIST developed new-generation transfer-standard radiometers (TR). (nist.gov)
  • Eppeldauer, G. and Podobedov, V. (2014), NIST traceable measurements of radiance and luminance levels of night-vision-goggle test-instruments, Proc. (nist.gov)
Systems1
  • Lares di Claudio Lerici: Photometric systems management. (lares.pro)
Field1
  • He has certification in the field of Tribometry (the science of surface friction measurement) as it relates to Walkway Safety. (kimley-horn.com)
Color3
  • If the solution to be measured is cloudy or has an inherent color, the measurements will be unreliable. (ysi.com)
  • Some measurement solutions also contain chemical bonds which destroy the color indicators through oxidation or reduction and produce incorrect results. (ysi.com)
  • Four other channels supply color images and two channels are required for photometric measurements. (spacedaily.com)
Files1
  • The operator can easy analyse measurements archives and covert groups of these into Excel files ready to print a report. (lares.pro)
Series2
Range1
  • For measurements in the UV-Visible range a xenon flash lamp may be used. (sigmaaldrich.com)
User1
  • The ADMI factor of 1400 used for determining the measurement result can be adjusted by the user. (sigmaaldrich.com)
Activity1
  • For example, the oxidation or reduction of antimony (Sb), which depends on hydrogen ion activity, can be used as a measurement of pH. (ysi.com)
Observation1
  • Thus, the critical night will be May 28/29 (Wednesday night) to get a measurement to HST so they can proceed to the observation. (aavso.org)