Southern search for OH from M supergiants

Details Southern search for OH from M supergiants Southern search for OH from M supergiants

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978aj.....83..487b&link_type=abstract

Astronomical Journal, vol. 83, May 1978, p. 487-491.

Astronomy and Astrophysics

Astronomy

11

Hydroxyl Emission, Infrared Astronomy, M Stars, Stellar Spectra, Supergiant Stars, Astronomical Catalogs, Astronomical Coordinates, Red Giant Stars, Southern Hemisphere

Scientific paper

Results are reported of a search for OH emission from about 50 southern M supergiants, and it is concluded that most optically identified M supergiants do not have substantial emission at 1612 MHz. From examination of the published OH profiles of unidentified Type II OH/IR stars, it is also concluded that only a small percentage (about 10%) of these stars have spectra similar to those of known OH supergiants, suggesting that Type II OH supergiants are an extremely rare class of object. A list of unidentified sources which may be supergiants is given.

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