The infrared emission of G333.6-0.2 - an extremely nonspherical H II region

Details The infrared emission of G333.6-0.2 - an extremely nonspherical H II region The infrared emission of G333.6-0.2 - an extremely nonspherical H II region

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...241..709h&link_type=abstract

Astrophysical Journal, Part 1, vol. 241, Oct. 15, 1980, p. 709-718. Research supported by the Australian Research Grants Commit

Astronomy and Astrophysics

Astronomy

28

H Ii Regions, Infrared Astronomy, Luminous Intensity, Molecular Clouds, Astronomical Maps, Astronomical Models, Dense Plasmas, Gas Density, Star Clusters

Scientific paper

The southern H II region G333.6-0.2, which has a total luminosity of 3.3 million solar luminosities (for an assumed distance of 4 kpc) was mapped at 2.2, 10, 30, 50, and 100 microns. At all wavelengths, the surface brightness of the infrared radiation is unusually high and the structure of the source is compact and symmetrical. The present observations, along with previous data, suggest that G333.6-0.2 is excited by a single luminous object or a very compact cluster, which has formed on the front surface of a dense molecular cloud as seen from the earth. It is shown that the spectral and spatial characteristics of the infrared radiation can be understood in terms of this blister model.

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