Water maser emission from southern IRAS sources

Details Water maser emission from southern IRAS sources Water maser emission from southern IRAS sources

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.239..825d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 239, Aug. 15, 1989, p. 825-843. Research supported by t

Astronomy and Astrophysics

Astronomy

36

Emission Spectra, Infrared Astronomy Satellite, Interstellar Masers, Southern Sky, Water Masers, Carbon Stars, Hydroxyl Emission, M Stars, Silicates, Spectral Resolution

Scientific paper

A search for water maser emission in 112 bright, southern IRAS sources was conducted. Water maser emission was detected in 27 cases. These sources include M-type stars and previously unidentified IRAS objects. The detection rate is discussed with reference to IRAS low-resolution spectral (LRS) class and the (60-25) micron color index. Water maser emission was detected in three sources which have LRS class 4n, indicating the presence of 11-micron SiC emission. The O/C-richness of the circumstellar envelopes of these sources is discussed, and it is concluded that these sources are probably M-type stars whose LRS class is misassigned.

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