The Dust Emissivity Spectral Index in the Starless Core TMC-1C

Details The Dust Emissivity Spectral Index in the Starless Core TMC-1C The Dust Emissivity Spectral Index in the Starless Core TMC-1C

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21535505s&link_type=abstract

American Astronomical Society, AAS Meeting #215, #355.05; Bulletin of the American Astronomical Society, Vol. 42, p.539

Astronomy and Astrophysics

Astronomy

Scientific paper

We present dust emission maps of the starless core TMC-1C taken 160, 450, 850, 1200 and 2100 microns. We derive the dust emissivity spectral index from the spectral energy distribution, and find that it is close to the typically assumed value of 2. We also map the dust temperature and column density in TMC-1C, and find that at the position of the dust peak, the line-of-sight-averaged temperature is 7 K. Employing simple Monte Carlo modelling, we show that the data are consistent with a constant value for the emissivity spectral index over the whole map of TMC-1C.

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