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New silicon monoxide masersSeven Mira variable stars with silicon monoxide maser emission have been found. All are later than M4 and heavily reddened. Two were observed near maximum light. One, Y Cas, seems to bear out the correlation of 43-GHz SiO maser luminosity and mean spectral type at maximum light. RT Aql, however, falls about 1 mag below the expected brightness. A catalog of SiO maser stars is given.
Document ID
19780038074
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/112174
Authors
Dickinson, D. F. (Harvard College Observatory and Smithsonian Astrophysical Observatory, Center for Astrophysics, Cambridge Mass., United States)
Snyder, L. E. (Illinois, University Urbana, Ill., United States)
Brown, L. W. (Illinois Univ. Urbana, IL, United States)
Buhl, D. (NASA Goddard Space Flight Center Laboratory for Extraterrestrial Physics, Greenbelt, Md., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1978
Publication Information
Publication: Astronomical Journal
Volume: 83
Subject Category
Astronomy
Accession Number
78A21983
Funding Number(s)
CONTRACT_GRANT: NSF AST-77-01345
Distribution Limits
Public
Copyright
Other

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