SHELA Spitzer Data Products Description

The data products from the SHELA program include both images and catalogs.


The image files have names of the form ch1s_wavg.fits, where the rubric is:

There are eight images per band - a science image and weight map for each of three epochs as well as the combined multi-epoch images. Units of the science images are 15.06 microJy/ADU (magnitude zero point of 20.9555). Units of the weight images are 23.6 seconds.


The catalogs can be queried with the Catalog Search tool, and are stored as binary fits tables and IPAC ascii tables. The column definitions are discussed in Papovich et al. (2016). The files have the following names: