Spitzer Atlas of Stellar Spectra (SASS)
You can get a close-up map of a region by selecting a point in red on the above image, or by typing a coordinate below.
The Spitzer Atlas of Stellar Spectra (SASS). The 159 stars in SASS are represented as overlays in red on the ISSA all-sky image above. Either type in a coordinate and hit 'Submit' or click on any red region to get a close-up of the area; the size of the search is adjustable.
SASS catalog data are available using IRSA's Catalog Search engine, which allows for complex search queries. You can also bypass searching and browse the catalog.
The canonical paper for SASS is Ardila et al. (2010).
Access all the Spitzer Legacy datasets at IRSA.
Click here for more information and instructions on using Atlas Instructions
Also available is a Program Interface to Atlas.
Target Selection Single Object
(Name or Coords)
Table Upload
(Multi Object) Instructions
Source Search Radius:
[maximum 6.25 deg]
Coordinate Examples:
  • 337.822921 50.282491 eq
  • 22h31m17.50s +50d16m57.0s Equ J2000
  • 101.2597 -6.5980 ga
  • HD 213558
Default: Equatorial J2000