Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.6220a&link_type=abstract
American Astronomical Society, AAS Meeting #211, #62.20; Bulletin of the American Astronomical Society, Vol. 39, p.850
Astronomy and Astrophysics
Astronomy
Scientific paper
We present near- and mid-infrared imaging of the star forming region S106 using WIRC, Spitzer/IRAC, and 2MASS. Our WIRC images cover 8.5 x 8.5 arcmin, down to a limiting sensitivity (5-sigma) of 20.1, 18.3, and 18.1 magnitude in J, H, and Ks bands, respectively. Our IRAC images cover 16 x 12 arcmin in the 3.6, 4.5, 5.8, and 8.0 micron bands, respectively, down to a limiting sensitivity of 15.9, 15.9 13.6, and 12.0 magnitude. We use 2MASS to fill regions that are covered in the IRAC images, but lie outside the WIRC field, and for photometry of bright (Ks < 11) sources in both the WIRC and IRAC fields. Using their spectral energy distributions and infrared colors, we deredden extracted sources and identify protostars with dusty envelopes (canonical evolutionary class I) and young stellar objects with optically thick circumstellar disks (canonical evolutionary class II). We identify groups of young objects, including a small nebulous site to the south of the bipolar region. We examine the spatial distribution of objects by evolutionary class and near-infrared luminosity.
Adams Joseph D.
Allen Laura E.
Fazio Giacomo
Furlan Elise
Gutermuth Robert A.
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