Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...236..479b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 236, no. 2, Sept. 1990, p. 479-486. Research supported by CNRS and CNPq.
Astronomy and Astrophysics
Astronomy
14
Early Stars, Hydroxyl Emission, Interstellar Masers, Star Formation, Emission Spectra, Infrared Astronomy Satellite, Molecular Clouds, Stellar Luminosity
Scientific paper
OH observations are presented for 37 IRAS sources which are likely to be massive young stellar objects (MYSOs). The objects were selected according to their color indices, which lie in the same range as those of previously known MYSOs. The detection of OH maser emission in the direction of seven objects is reported. Among them, four show spectra which are typical of MYSOs; three others show broad unpolarized emission, whose nature is briefly discussed. In addition, weak OH absorption was observed in the direction of two other objects.
Braz M. A.
Le Squeren Anne-Marie
Lépine Jacques R. D.
Sivagnanam P.
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