Spitzer IR Sudy of Sar Formation in an Embedded Young Cluster NGC2316

Details Spitzer IR Sudy of Sar Formation in an Embedded Young Cluster NGC2316 Spitzer IR Sudy of Sar Formation in an Embedded Young Cluster NGC2316

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20921903l&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #219.03; Bulletin of the American Astronomical Society,

Astronomy and Astrophysics

Astronomy

2

Scientific paper

Observations of embedded young star clusters, still contained within their parent molecular clouds provide unique data of stars of similar age to study star formation issues, such as, (i) the IMF, (ii) the frequency and lifetimes of protoplanetary disks, (iii) the history of star formation in the cluster, (iv) the evolution of the cloud and its eventual dispersal, and (v) the subsequent termination or triggering of star formation. To analyze some of these issues we obtained Spitzer IRAC observations at 3.6, 4.5, 5.8, and 8µm and MIPS observations at 24µm of NGC 2316, a young (2-3 Myr) embedded star cluster containing a central HII region powered by a B3 star. In the infrared, we detect more than 200 objects in this cluster. We used Hires deconvolution to enable the detection of point sources more efficiently in the 5.8 and 8µm images (here point source detection is severely limited by the confusion from the bright HII region and the extended dust emission within the cluster). We present results on a statistically significant sample of young stars in this cluster and discuss some of the issues on star formation in the cluster environment, listed above.
This work was performed by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.

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