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

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

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Title: The Dust Emissivity Spectral Index in the Starless Core TMC-1C
Author: Schnee, Scott; Enoch, Melissa; Noriega-Crespo, Alberto; Sayers, Jack; Terebey, Susan; Caselli, Paola; Foster, Jonathan B.; Goodman, Alyssa A.; Kauffmann, Jens; Padgett, Deborah; Rebull, Luisa; Sargent, Anneila; Shetty, Rahul

Note: Order does not necessarily reflect citation order of authors.

Citation: Schnee, Scott, Melissa Enoch, Alberto Noriega-Crespo, Jack Sayers, Susan Terebey, Paola Caselli, Jonathan Foster, et al. 2009. The dust emissivity spectral index in the starless core TMC-1C. The Astrophysical Journal 708(1): 127-136.
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Abstract: In this paper, we present a dust emission map of the starless core TMC-1C taken at \(2100 \mu m\). Along with maps at 160, 450, 850, and 1200 μm, we study the dust emissivity spectral index from the (sub)millimeter spectral energy distribution, and find that it is close to the typically assumed value of \(\beta = 2\). We also map the dust temperature and column density in TMC-1C, and find that at the position of the dust peak \((A_{V} \sim 50)\) the line-of-sight-averaged temperature is \(\sim 7\) K. Employing simple Monte Carlo modeling, we show that the data are consistent with a constant value for the emissivity spectral index over the whole map of TMC-1C.
Published Version: doi:10.1088/0004-637X/708/1/127
Other Sources: http://arxiv.org/abs/0911.0892v1
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4268293

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  • FAS Scholarly Articles [7362]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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