CLASH SPITZER Data
You can get a close-up map of a region by clicking on any area in red on the above image, or by typing a coordinate below.
The Cluster Lensing And Supernova survey with Hubble (CLASH) is an HST Multi-Cycle Treasury program (PI: Marc Postman) to survey 25 massive galaxy clusters at 16 wavelengths spanning from the near-UV to the near-IR (Postman et al. (2012)). The full HST dataset and associated catalogs and gravitational lens models are available at MAST. A series of programs with Spitzer have covered all CLASH galaxy clusters with IRAC Channels 1 and 2 (3.6 and 4.5 micron). Several of the targets include Channels 3 and 4 (5.8 and 8 micron) data. Spitzer mosaics, catalogs, and PSF images are available at IRSA.

The December 2014 update added the cluster CLJ1226.

You can access CLASH Spitzer data in a variety of ways:
  • The CLASH fields are represented as overlays in red on the all-sky ISSA image above. Click on any red region to access the Spitzer mosaics for that position.
  • Use the form below to enter a coordinate or object name to search for Spitzer mosaics.
  • Browse a table of the clusters.
  • Download fits or jpg cutouts of the Spitzer mosaics.
  • Search Spitzer catalogs.
  • Download PSF images.
More information on the CLASH project can be found here:
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
Size (deg):
[maximum 2.0]
Images must cover coordinate
Source Search Radius:
[maximum 1.0 deg]
Search Whole Region
Coordinate Examples:
  • 109.538149 37.68724 eq
  • 324.083631 48.8263226 ga
  • Abell 209
Default: Equatorial J2000