High resolution observations of compact H II regions at 230 GHz.

Details High resolution observations of compact H II regions at 230 GHz. High resolution observations of compact H II regions at 230 GHz.

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989iaus..135p.237w&link_type=abstract

IAU Symposium No. 135: Interstellar dust: contributed papers, p. 237 - 238

Computer Science

H Ii Regions: Compact, H Ii Regions: Star Formation, H Ii Regions: Radio Maps

Scientific paper

Based on the idea that star formation goes on progressively in molecular clouds, the authors conducted a search for protostars by mapping compact H II regions at a frequency of 250 GHz. They observed twenty compact H II regions usually obtaining twice the expected free-free flux density, positionally coincident with the H II region. Even fine structure within the H II regions can be traced in the maps as in the case of G75.84+0.40. The high degree of coincidence between the authors' 250 GHz and the 5 GHz map of Harris (1976) shows that the excess flux density they observe must come from dust mixed with the ionized gas.

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