Far-infrared and radio observations of the W31 star-forming region

Ghosh, S. K. ; Iyengar, K. V. K. ; Rengarajan, T. N. ; Tandon, S. N. ; Verma, R. P. ; Daniel, R. R. ; Ho Paul, T. P. (1989) Far-infrared and radio observations of the W31 star-forming region The Astrophysical Journal, 347 . pp. 338-348. ISSN 0004-637X

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Official URL: http://adsabs.harvard.edu/abs/1989ApJ...347..338G

Related URL: http://dx.doi.org/10.1086/168122


New 150 micron mapping of the W31 star-forming region with a resolution of 1.5 arcmin has resolved 12 sources, including eight new ones. About 35 percent of the emission is of diffuse origin. The IRAS two-dimensional COADD data of the same region at 60 and 100 microns have been deconvolved using a maximum-entropy algorithm. The dust temperature, dust optical depth, far-IR luminosity, and so on, have been derived for individual sources in the star-forming complex; several of these seem to be excited by embedded young stars. One young stellar object with an optically thick ionized envelope has been identified. New high-resolution maps of selected regions around the two most prominent H II regions in the W31 complex, G10.2-0.3 and G10.3-0.1, have been obtained at 5 and 15 GHz using the VLA. The initial mass function for G10.2-0.3 is quite steep. An energetic bipolar outflow source candidate has been found which is proposed to be the mid-IR source in the G10.2-0.3 complex.

Item Type:Article
Source:Copyright of this article belongs to University of Chicago Press.
Keywords:Far Infrared Radiation; H II Regions; Molecular Clouds; Radio Emission; Star Formation; Carbon Monoxide; Diffuse Radiation; Infrared Astronomy Satellite; Pre-main Sequence Stars; Stellar Luminosity; Very Large Array (VLA)
ID Code:51661
Deposited On:29 Jul 2011 04:23
Last Modified:15 Jul 2012 20:39

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