Statistics
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21725821m&link_type=abstract
American Astronomical Society, AAS Meeting #217, #258.21; Bulletin of the American Astronomical Society, Vol. 43, 2011
Statistics
Scientific paper
We present an analysis of expanded Spitzer IRAC and MIPS imaging of the AFGL 490 star forming region and deep SQIID near-IR imaging of its central cluster. Using the combined 1-24 micron photometric catalog derived from these data, we have identified 56 class I and 283 class II young stellar objects (YSOs) forming in this region. We isolated several locally over-dense cluster cores from the spatial distribution of YSOs via analysis of the Minimal Spanning Tree of their positions (Gutermuth et al. 2009). The most populated group contains 215 YSOs (63% of the cluster's members) and has an area of 12 square parsecs. The intermediate mass YSO, AFGL 490, contained within this group, resides 0.73-0.98 parsecs away from the center of the group. We compare these statistics to similarly analyzed clusters (Gutermuth et al. 2009), and briefly explore the mass segregation implications of AFGL 490's position within its cluster.
Allen Lew
Gutermuth Robert
Masiunas Lauren
Megeath Thomas
Meyers P.
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