NASA/IPAC Infrared Science Archive (IRSA)

IRSA is chartered to serve calibrated science products from NASA's infrared and submillimeter missions, including the 2MASS, IRAS and MSX surveys, and the ISO and SWAS observatory missions. IRSA provides web-based and machine-friendly tools for efficient access to these data sets.

To learn more about what data are available through IRSA, view lists of IRSA's holdings divided into catalogs, images, and spectra. These pages list holdings of a particular type by mission and wavelength range.

Available Data

  • IRAS Infrared Astronomical Satellite
  • 2MASS Two Micron All Sky Survey
  • IRTS Infrared Telescope in Space
  • COSMOS Cosmos Evolution Survey
  • ISO Infrared Space Observatory
  • Spitzer Space Telescope
  • WISE/NeoWISE Wide-field Infrared Survey
  • Planck
  • Herschel Space Observatory
  • SWAS Submillimeter Wave Astronomy Satellite
  • AND others like BLAST, BOLOCAM, MSX, PTF

Inventories

  • The IRSA Holdings (RADAR) is an inventory and data exploration service that generates an inventory of IRSA's science data products and supports one-click retrieval of data.
  • The NVO Catalogs service (Sky Statistics) generates source counts, coverage maps, and links to downloadable data for catalog holdings at IRSA, NED, and VizieR.
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The image is divided horizontally by an undulating line between a cloudscape forming a nebula along the bottom portion and a comparatively clear upper portion. Speckled across both portions is a starfield, showing innumerable stars of many sizes. The smallest of these are small, distant, and faint points of light. The largest of these appear larger, closer, brighter, and more fully resolved with 8-point diffraction spikes. The upper portion of the image is blueish, and has wispy translucent cloud-like streaks rising from the nebula below. The orangish cloudy formation in the bottom half varies in density and ranges from translucent to opaque. The stars vary in color, the majority of which have a blue or orange hue. The cloud-like structure of the nebula contains ridges, peaks, and valleys – an appearance very similar to a mountain range. Three long diffraction spikes from the top right edge of the image suggest the presence of a large star just out of view.

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