Far infrared characteristics of water maser associated IRAS point sources

Details Far infrared characteristics of water maser associated IRAS point sources Far infrared characteristics of water maser associated IRAS point sources

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990acasn..31..375z&link_type=abstract

(Acta Astronomica Sinica, vol. 31, no. 4, 1990, p. 375-381) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 15, June 1

Astronomy and Astrophysics

Astronomy

Far Infrared Radiation, Hydroxyl Emission, Infrared Sources (Astronomy), Interstellar Masers, H Ii Regions, Infrared Astronomy Satellite, Infrared Stars, Point Sources

Scientific paper

From the data on 82 IRAS point sources with water-maser emission, it is determined that the sources are of two kinds: H II regions and OH/IR stars. The H II regions are surrounded by dust-gas envelopes in which the dust is heated to tens of degrees K by the UV emission from the central OB stars, emitting around 60 microns. The OH/IR stars have circumstellar envelopes in which the dust is heated to hundreds of degrees and then emitting around 25 microns shorter.

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