Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21832810j&link_type=abstract
American Astronomical Society, AAS Meeting #218, #328.10; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
After eight months of continuous observations from a sun-synchronous polar orbit, WISE mapped the entire sky at 3.4um, 4.6um, 12um and 22um, producing a coadded Image Atlas and a Source Catalogue, available through the Infrared Science Archive. The data reduction pipeline was optimized to detect and measure the fluxes of point sources. Sources that are larger than one arc minute in diameter, however, will not have been characterized in the released data products. Accordingly, we have begun a dedicated project to fully characterize large, nearby galaxies and produce a legacy image atlas and catalogue that will serve the community for decades to come. Here we demonstrate the early results of the WISE Large Galaxy Atlas project for a dozen galaxies of diverse morphology, including M51, M83, and M101. Photometry and surface brightness decomposition is carried out with special super-resolution processing of WISE imaging, achieving spatial resolutions similar to that of Spitzer-IRAC. In addition to the super-resolution images, WISE's all-sky coverage provides a tremendous advantage over Spitzer for building a complete nearby catalog, tracing both stellar mass and star-formation histories.
Benford Dominic
Jarrett Thomas H.
Masci Fabrizio
Petty Sara
Tsai Chung-Chin
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