How Starless are Starless Cores?

Details How Starless are Starless Cores? How Starless are Starless Cores?

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21920804s&link_type=abstract

American Astronomical Society, AAS Meeting #219, #208.04

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of recent CARMA and SMA continuum and spectral line observations of dense cores in the Perseus and Ophiuchus molecular clouds. Although these cores have previously been classified as starless, we find evidence for outflows from a significant fraction of the cores, indicating that they are actually embedded, low-luminosity protostars. We discuss the impact of newly discovered low-luminosity embedded objects on starless core and protostar lifetimes. We suggest that high resolution (sub)millimeter surveys of known cores lacking near-infrared and mid-infrared emission are necessary to make an accurate census of starless cores.

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