The Spitzer/IRS Mapping Legacy Archive (SIMLA) is a complete set of mid-infrared spectral cubes built from low-resolution mapping-mode fixed-target observations from Spitzer/IRS (5.2-38 um, R~60-130). Contained in this dataset are spectral maps for several hundred spatially-resolved and unresolved objects, including galaxies, molecular clouds, supernova remnants, HII regions, and more. Each cube has been carefully treated to remove astronomical foregrounds and backgrounds as well as detector effects using a novel pipeline we describe here. Cube assembly was facilitated by the CUBISM code, which included automatic detection and removal of bad pixels.
If you use SIMLA data, please cite both the journal article Donnelly et
al. (2026) and the dataset Digital Object Identifier (DOI): 10.26131/IRSA655.
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