Dust continuum radiation from luminous young stellar objects

Details Dust continuum radiation from luminous young stellar objects Dust continuum radiation from luminous young stellar objects

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...252..801g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 252, no. 2, Dec. 1991, p. 801-811.

Astronomy and Astrophysics

Astronomy

35

Continuous Radiation, Cosmic Dust, Early Stars, Stellar Evolution, Stellar Luminosity, Astronomical Models, Color-Color Diagram, H Ii Regions, Infrared Astronomy Satellite, Radiative Transfer, Spectral Energy Distribution

Scientific paper

The NIR and IRAS two-color diagrams of BN-type objects have been studied through radiative transfer computations to evaluate differences between BN-type objects and compact H II regions. It is concluded that scattering of stellar light in an asymmetric envelope dominates the NIR properties of these objects. Fits of the total energy distributions of a number of objects, where the submm part of the spectrum from 350 to 1300 microns has been observed, support this conclusion. In contrast to results reported for compact H II regions, BN-type objects do not have an inner dust free cavity due to a different evolutionary stage of the two object classes or differences in luminosities.

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