Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20921911e&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #219.11; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
1
Scientific paper
We will summarize the primary results of the c2d project, with a focus on evolution from cores to disks in the five large clouds surveyed. Based on nearly 1000 YSOs that we have identified in these clouds,we assess the relative fraction in the different traditional classes and estimate the mean timescales for each class. Using measures of cloud mass from our extinction maps and determinations of dense core mass from millimeter continuum maps, we estimate star formation rates per unit mass of cloud material and per unit mass of dense gas. We also reexamine the traditional classification system, based on SED shape in the near-infrared to mid-infrared,and we suggest some alternative classifications that capture the different possible pathways from Class II to Class III.
C2D Team
Evans Neal J. II
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