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Federal
Hipparcos Main Catalog
National Aeronautics and Space Administration —
The Hipparcos and Tycho Catalogues are the primary products of the European Space Agency's astrometric mission, Hipparcos. The satellite, which operated for four... -
Federal
ASTER Global Digital Elevation Model V003
National Aeronautics and Space Administration —
The Terra Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM) Version 3 (ASTGTM) provides a global digital... -
Federal
Milky Way Star Clusters Catalog
National Aeronautics and Space Administration —
Although they are the main constituents of the Galactic disk population, for half of the open clusters in the Milky Way reported in the literature nothing is known... -
Federal
CALIPSO Lidar Level 3 Ice Cloud Data, Standard V1-00
National Aeronautics and Space Administration —
CAL_LID_L3_Ice_Cloud-Standard-V1-00 is the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) Lidar Level 3 Ice Cloud Data, Standard Version... -
Federal
Combined GPS Broadcast Ephemeris Data (30-second sampling, hourly files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Combined Broadcast Ephemeris Data (hourly files of all distinct navigation messages... -
Federal
Henry Draper Extension Charts Catalog
National Aeronautics and Space Administration —
The Henry Draper (HD) Catalog (Cannon and Pickering 1918 - 1924, Ann. Astron. Obs. Harvard College 91 - 99) and its first extension, the Henry Draper Extension (HDE)... -
Federal
BOUSSOLE project
National Aeronautics and Space Administration —
The purpose of the BOUSSOLE project is to establish a time series of optical properties in oceanic waters, in support to bio-optics research, to calibration of ocean... -
Federal
Exoplanet Orbit Database
National Aeronautics and Space Administration —
The Exoplanet Orbit Database is a database of well-determined orbital parameters of exoplanets, and their host stars' properties. This database comprises... -
Federal
OCO-2 Level 2 geolocated XCO2 retrievals results, physical model, Retrospective Processing V11r (OCO2_L2_Standard) at GES DISC
National Aeronautics and Space Administration —
Version 11r is the current version of the data set. Older versions will no longer be available and are superseded by Version 11r.The Orbiting Carbon Observatory is... -
Federal
CYGNSS Level 1 Science Data Record Version 3.2
National Aeronautics and Space Administration —
This CYGNSS Level 1 (L1) science data record dataset contains the version 3.2 geo-located Delay Doppler Maps (DDMs) calibrated into Power Received (Watts) and... -
Federal
NACP North American Forest Dynamics Project: Forest Disturbance and Regrowth Data
National Aeronautics and Space Administration —
This data set provides the results of time-series analyses of Landsat imagery for 55 selected forested sites across the conterminous U.S.A. The output is a pair of... -
Federal
MODIS/Terra+Aqua Land Cover Type Yearly L3 Global 500m SIN Grid V006
National Aeronautics and Space Administration —
The MCD12Q1 Version 6 data product was decommissioned on July 31, 2023. Users are encouraged to use the MCD12Q1 Version 6.1 data product.The Terra and Aqua combined... -
Federal
Faint Object Spectrograph
National Aeronautics and Space Administration —
The Faint Object Spectrograph (FOS) was one of the 4 original axial instruments aboard the Hubble Space Telescope (HST). The FOS was designed to make spectroscopic... -
Federal
Wind Radio/Plasma Wave, (WAVES) Hi-Res Parameters CDF
National Aeronautics and Space Administration —
Wind Waves RAD2, RAD1, and TNR data in CDF format. RAD1 RAD1 is the low frequency radio astronomy receiver. It sweeps over the range of 20 to 1040 kHz with as many as... -
Federal
Updated Nearby Galaxy Catalog
National Aeronautics and Space Administration —
This table contains an all-sky catalog of 869 nearby galaxies having individual distance estimates within 11 Mpc or corrected radial velocities relative to the Local... -
Federal
GLDAS Noah Land Surface Model L4 monthly 0.25 x 0.25 degree V2.1 (GLDAS_NOAH025_M) at GES DISC
National Aeronautics and Space Administration —
NASA Global Land Data Assimilation System Version 2 (GLDAS-2) has three components: GLDAS-2.0, GLDAS-2.1, and GLDAS-2.2. GLDAS-2.0 is forced entirely with the... -
Federal
Smithsonian Astrophysical Observatory Star Catalog
National Aeronautics and Space Administration —
This database is based on the electronic version of the SAO catalog from the Astronomical Data Center, which is itself based on an original binary version of the... -
Federal
Tycho-2 Catalog of the 2.5 Million Brightest Stars
National Aeronautics and Space Administration —
The Hipparcos and Tycho catalogs are the primary products of the European Space Agency's astrometric mission, Hipparcos. The satellite, which operated for four years,... -
Federal
CGRO Timeline
National Aeronautics and Space Administration —
The Compton Gamma-Ray Observatory (CGRO) was the second of NASA's Great Observatories. It was launched on April 5, 1991, from Space Shuttle Atlantis. It operated... -
Federal
Sentinel-6A GNSS-POD Level 1B Daily RINEX V1 (S6A_GN_1B_RNXD_AX_) at GES DISC
National Aeronautics and Space Administration —
This dataset provides the L1B Global Navigation Satellite System (GNSS) Precise Orbit Determination (POD) data generated by European Organisation for the Exploitation...