NIR And MIR Emission From The Central High-mass Protostar In IRAS19410

Details NIR And MIR Emission From The Central High-mass Protostar In IRAS19410 NIR And MIR Emission From The Central High-mass Protostar In IRAS19410

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541436c&link_type=abstract

American Astronomical Society, AAS Meeting #215, #414.36; Bulletin of the American Astronomical Society, Vol. 42, p.260

Astronomy and Astrophysics

Astronomy

Scientific paper

We present IRTF-MIRSI photometry and a grism spectrum, IRAC photometry, and high-resolution Gemini mid-IR images of IRAS 19410+2336 mm1, a member of a rich cluster of mm cores located in one of the candidate regions of high-mass star formation identified by Sridharan et al. (2002). The Gemini images show a bipolar-like pair of IR sources separated by 0.7" that straddle the PdBI mm1 core (Beuther et al. 2004). They align well with one of the multiple outflows in the mm complex (Qui et al. 2008), suggesting that they may be images of hot dust emission from the upper and lower surfaces of a single accretion disk seen almost edge-on, and/or upper and lower surfaces of bipolar outflow cavities in an accreting envelope. We discuss initial Monte Carlo models of the SED and images at the near distance of 2.1 kpc computed at Colby with the Whitney et al. (2004) code, and models from the SED library of Robitaille et al. (2007). Fitting all of the near-IR to mid-IR photometric, spectral, and image data of the pair as a bipolar source heated by a central YSO or as separate objects is proving difficult, but the huge parameter spaces have not been fully explored.
Beuther, et al. 2004, Science, 303, 1167; Qiu, K et al 2008, ApJ 685,1005; Robitaille, et al. 2007, ApJS, 167, 256; Sridharan, et al. 2002, ApJ, 566, 931; Whitney, et al, 2003, ApJ, 591, 1049.

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