Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.8910s&link_type=abstract
American Astronomical Society, AAS Meeting #211, #89.10; Bulletin of the American Astronomical Society, Vol. 39, p.879
Astronomy and Astrophysics
Astronomy
Scientific paper
TMC-1C is a starless core in the nearby Taurus molecular cloud. It is one of a handful of prestellar cores with observed (sub-sonic) infall. Here we present continuum emission maps of TMC-1C at 0.45, 0.85, 1.2 and 2.1 millimeters taken with the JCMT, IRAM and CSO, from which we derive the dust temperature, column density and emissivity spectral index. We compare the dust temperature with the gas temperature derived from GBT ammonia (1,1) and (2,2) maps and find excellent agreeement, as predicted by numerical models. We study the core kinematics with interferometric (CARMA) and single dish (CSO, GBT and IRAM-30m) observations of lines from molecules with little or no depletion (NH3, NH2D, and N2H+) to derive the infall velocity, angular momentum and turbulent linewidth.
Sargent Anneila
Schnee Scott
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