The dust temperature gradient in the Rosette Nebula

Details The dust temperature gradient in the Rosette Nebula The dust temperature gradient in the Rosette Nebula

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...422..153s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 422, no. 1, p. 153-157

Computer Science

Numerical Analysis

8

Brightness Distribution, Cosmic Dust, Extinction, H Ii Regions, Infrared Astronomy, Nebulae, Temperature Gradients, Infrared Astronomy Satellite, Infrared Photometry, Numerical Analysis

Scientific paper

The dust temperature gradient was extracted for the large 'classical' grain component present in the Rosette Nebula (NGC 2237-46). This temperature gradient does not follow the expected r-0.4 law, which would result from heating dominated by the central stellar cluster. Instead, the dust temperature gradient is consistent with heating by scattered stellar radiation from the ionized region itself. The extracted temperature gradient cannot account for the 12 and 25 micrometer emission, suggesting the presence of another grain component inside the H II region. The central cavity is complex.

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