A “Starless” Core that Isn't: Detection of a Source in the L1014 Dense Core with the Spitzer Space Telescope
The Astrophysical Journal Supplement Series2004Vol. 154(1), pp. 396–401
Citations Over TimeTop 10% of 2004 papers
Chadwick H. Young, J. K. Jørgensen, Yancy L. Shirley, Jens Kauffmann, Tracy L. Huard, S. Lai, Chang Won Lee, A. Crapsi, Tyler L. Bourke, C. P. Dullemond, T. Y. Brooke, Alicia Porras, W. J. Spiesman, Shadab Alam, Geoffrey A. Blake, Neal J. Evans, P. M. Harvey, D. W. Koerner, Lee G. Mundy, P. C. Myers, Deborah Padgett, Anneila I. Sargent, Karl Stapelfeldt, E. F. van Dishoeck, F. Bertoldi, Nicholas Chapman, Lucas A. Cieza, Christopher H. DeVries, Naomi A. Ridge, Z. Wahhaj
Abstract
We present observations of L1014, a dense core in the Cygnus region previously thought to be starless, but data from the Spitzer Space Telescope show the presence of an embedded source. We propose a model for this source that includes a cold core, heated by the interstellar radiation field, and a low-luminosity internal source. The low luminosity of the internal source suggests a substellar object. If L1014 is representative, other "starless" cores may turn out to harbor central sources.
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