• We have combined ground-based optical drift-scan spectrophotometry with infrared spectroscopy from Spitzer and Akari with gaps in spectral coverage being filled using Multi-wavelength Analysis of Galaxy Physical Properties spectral energy distribution models. (caltech.edu)
  • The performance specification of "fitness for purpose" for ultraviolet (UV) spectrometers used in regulated environments, applying documented control, e.g. pharmacopoeial monographs or internationally recognised control standards, includes the need to specify requirements for absorbance accuracy and precision. (spectroscopyasia.com)
  • With its wide wavelength range, accurate measurements, and user-friendly interface, it provides researchers, scientists, and educators with a valuable tool for various applications in the field of spectrophotometry. (acmerevival.com)
  • The spectrophotometer covers a wide wavelength range, allowing measurements across the ultraviolet (UV) and visible light spectrum. (acmerevival.com)
  • The instrument provides accurate and precise photometric measurements, enabling quantitative analysis of samples. (acmerevival.com)
  • I provide a quantitative analysis of the database of 3.5 million photometric measurements for 80,000 spectroscopically confirmed quasars recently assembled by the Sloan Digital Sky Survey (SDSS). (washington.edu)
  • To advance our understanding of stars, accurate spectroscopic and photometric measurements, as well as accurate modelling that allows us to connect the measured stellar electromagnetic radiation to properties of the stellar atmospheres and stellar interiors are essential. (aanda.org)
  • has brought measurements of the photometric variability for several hundred thousand stars. (aanda.org)
  • We present a homogeneous survey of near-ultraviolet (NUV) /optical line and continuum emission during twenty M dwarf flares with simultaneous, high cadence photometry and spectra. (washington.edu)
  • Middle-ultraviolet photometry of Virgo Cluster galaxies. (unistra.fr)
  • The main source for photometric variability of cool stars, such as the Sun, are surface magnetic fields that affect the local structure in stellar atmospheres. (aanda.org)
  • Consequently, interpreting stellar photometric data requires an assessment of the effect of the magnetic field in stellar atmospheres on the emergent radiation. (aanda.org)
  • Relative to the prior literature, our atlas will provide improved K-corrections, photometric redshifts, and star-formation rate calibrations. (caltech.edu)
  • Although such photometric redshifts are generally robust, they can suffer from degeneracies and occasionally catastrophic errors. (nature.com)
  • For this paper, we use a non-public version of Cigale that fits photometric and spectroscopic data together. (nature.com)
  • Photometric and Spectroscopic Observations of the Double Cluster in Perseus. (academicinfluence.com)
  • An accurate, precise and reproducible UV-spectro-photometric methods and liquid chromatographic assay method were developed and validated for the determination of Levofloxacin and Ornidazole in tablet dosage form. (ijpsr.com)
  • Spectrophotometry of galaxies in the Virgo cluster. (wikipedia.org)
  • The GALEX Ultraviolet Virgo Cluster Survey (GUViCS) III. (wikipedia.org)
  • We present an atlas of 129 spectral energy distributions for nearby galaxies, with wavelength coverage spanning from the ultraviolet to the mid-infrared. (caltech.edu)
  • This will be accomplished through the observation of spectral features in the extreme and far ultraviolet (EUV/FUV) spectral regions from 70 to 205 nm. (esa.int)
  • There are different approaches to modelling stellar spectral and photometric fluxes. (aanda.org)
  • American Petroleum Institute Research Project 44 (1984) Selected Ultraviolet Spectral Data: Thermodynamic Research Center Hydrocarbon Project. (photochemcad.com)
  • TOP INSTRUMENT Dual Beam Ultraviolet Visible Spectrophotometer has a brand-new optical path design, selected accessories purchased from across the world, and superior instrument performance, which can greatly meet the analysis work needs of the most professional users. (top-instrument.com)
  • Analytical Procedures and Quality Assurance Criteria for the Determination of Major and Minor Deoxynucleosides in Fish Tissue DNA by Liquid Chromatography-Ultraviolet Spectroscopy and Liquid Chromatography Thermospray Mass Spectrometry. (epa.gov)
  • Narrow-band photometries for studying carbon stars are reviewed, and a cooperative photometric program for studying them is proposed along with a suggested photometric system. (harvard.edu)
  • The availability of 26 photometric bands allowed us to identify and mitigate systematic errors present in the data. (caltech.edu)
  • NIRSpec data inspection was performed using the Mosviz visualization tool 43 ( https://jdaviz.readthedocs.io/en/latest/mosviz/index.html ). (nature.com)
  • Photometric techniques and basic data. (unistra.fr)
  • Atlas of Protein Spectra in the Ultraviolet and Visible Regions. (photochemcad.com)
  • Fig. 1: Photometric redshift probability density function for the primary high- z candidates. (nature.com)
  • Antimony in effluents and raw, potable and sea waters by spectrophotometry (using crystal violet) 1982 : tentative method. (epa.gov)
  • Model UV-2502 can be linked to a computer, which is compatible with Windows Platforms, and a printer to display the photometric and spectral data on the PC monitor. (spectrophotometer.com)
  • American Petroleum Institute Research Project 44 (1984) Selected Ultraviolet Spectral Data: Thermodynamic Research Center Hydrocarbon Project. (photochemcad.com)
  • To analyze the chemical composition of the sample, the OMA uses an analysis method known as ultraviolet-visible (UV-Vis) spectroscopy . (aai.solutions)
  • Model UV-2502 works in the ultraviolet and visible range of 190-1100 nm and has a New and Improved 2nm. (spectrophotometer.com)
  • Atlas of Protein Spectra in the Ultraviolet and Visible Regions. (photochemcad.com)
  • For this purpose, we carefully defined the transmissivity curves of RGB bands and defined a set of standard sources using the photometric information present in Gaia EDR3. (researchgate.net)