Spitzer/HETDEX Exploratory Large-Area (SHELA) Survey Overview
SHELA Overview SHELA Primary Data Access SHELA Cutouts IRSA Catalog Search Tool: SHELA


The Spitzer/HETDEX Exploratory Large-Area (SHELA) survey covers ~24 sq. deg at 3.6 and 4.5 microns. The survey area falls within the footprints of the Sloan Digital Sky Survey "Stripe 82" region, the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX), and the Dark Energy Survey. The images and catalogs are 80% (50%) complete to limiting magnitudes of 22.0 (22.6) AB mag in the detection image, which is constructed from the weighted sum of the IRAC 3.6 and 4.5 micron images. The catalogs reach limiting sensitivities of 1.1 microJy at both 3.6 and 4.5 microns (1σ, for R = 2" circular apertures).

If you use SHELA data, please cite both the journal article Papovich et al. (2016) and the dataset Digital Object Identifier (DOI): 10.26131/IRSA427.

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Data Set Characteristics

Data ProductDescriptionData Access
Images Spitzer/IRAC 3.6, 4.5 micron
Catalogs Combined Epoch Catalog
Epoch 1 Catalog
Epoch 2 Catalog
Epoch 3 Catalog
SHELA-SDSS Stripe 82 Catalog

SHELA Documentation

IRAC Catalog Definitions
SHELA-SDSS Stripe 82 Catalog Definitions

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