• Organization: National Institute of Standards and Technology
• Updated: 2005-08-01 00:00:00

This handbook provides a selection of the most important and frequently used atomic spectroscopic data in an easily accessible format. The compilation includes energy levels, ionization energies,...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

Atlas of cometary spectral lines from high resolution measurements of comet deVico.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

Atlas of cometary spectral lines from high resolution measurements of comet deVico.

• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set consists of apparent surface reflectance, subpixel snow-covered area, and grain size collected from the Hyperion hyperspectral imager. The Hyperion imager has a spectral range of...

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• Organization: National Institute of Standards and Technology
• Updated: 2004-07-01 00:00:00

This database contains the rotational spectral lines observed and reported in the open literature for 91 hydrocarbon molecules through September 1987. The isotopic molecular species, assigned...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This dataset provides estimates of fractional vegetation cover across the Atchafalaya and Terrebonne basins. Atmospheric correction was applied to a L2B BRDF-adjusted surface reflectance product...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-07-18T00:00:00.000+00:00

The GOES-R Extreme Ultraviolet and X-Ray Irradiance Sensors (EXIS) Extreme Ultraviolet Sensor (EUVS) measures solar spectral irradiance at discrete wavelengths between 25 and 141 nm and in the...

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• Organization: National Institute of Standards and Technology
• Updated: 2012-10-10 00:00:00

NIST X-ray Photoelectron Spectroscopy Database XPS contains over 33,000 data records that can be used for the identification of unknown lines, retrieval of data for selected elements (binding...

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• Organization: National Institute of Standards and Technology
• Updated: 2003-07-01 00:00:00

This data base contains the rotational spectral lines observed and reported in the open literature for 55 triatomic molecules through June 1976. The isotopic molecular species, assigned quantum...

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• Organization: National Institute of Standards and Technology
• Updated: 1998-04-01 00:00:00

Wavenumber Calibration Tables from Heterodyne Frequency Measurements contains tables of gas-phase infrared transition wavenumbers and their spectroscopic assignments that are appropriate for...

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• Organization: National Institute of Standards and Technology
• Updated: 2003-07-01 00:00:00

The Atlas provides lists of spectral lines with wavelengths, intensities, and energy level classifications, as well as graphical tracings of the observed spectrum of a platinum hollow-cathode lamp...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This image was collected by the Hyperion sensor on 10-July-2004 at 13:16:16 GMT. It was calibrated to apparent surface reflectance using the ACORN atmospheric model.The Hyperion imager has a...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This dataset provides Level 1B (L1B) radiance products from NASA's Airborne Visible Infrared Imaging Spectrometer- Next Generation (AVIRIS-NG) instrument acquired over the Atchafalaya and...

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• Organization: National Institute of Standards and Technology
• Updated: 2005-11-01 00:00:00

This database contains the rotational spectral lines observed and reported in the open literature for 121 diatomic molecules through July 2002. The isotopic molecular species, assigned quantum...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

MIGHTI samples the O2 A band spectral region at five different wavelengths in order to both measure the shape of the band and to specify a background radiance that is subtracted from the signal....

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

MIGHTI samples the O2 A band spectral region at five different wavelengths in order to both measure the shape of the band and to specify a background radiance that is subtracted from the signal....

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This dataset provides surface reflectance measured by the Airborne Visible/Infrared Imaging Spectrometer-Next Generation (AVIRIS-NG) instrument during flights over research sites in Idaho and...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This dataset holds Level 1B (L1B) radiance data collected by the AVIRIS-Classic instrument near Prince Albert, Saskatchewan, Canada, on August 14, 1996. This imagery was acquired for the Boreal...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

ITPRN5L1 is the Nimbus-5 Infrared Temperature Profile Radiometer (ITPR) Level-1 Calibrated Radiances data product which contains radiances at 7 infrared spectral regions (2683.0, 899.0, 747.0,...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

Large spectroscopic surveys have discovered very peculiar and hitherto unknown types of active galactic nuclei (AGN). Such rare objects may hold clues to the accretion history of the supermassive...

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