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MRK 273: A New OH Megamaser

Published online by Cambridge University Press:  04 August 2017

L. Bottinelli ,
D. Fraix-Burnet ,
L. Gouguenheim ,
I. Kazès ,
A.M. Le Squeren ,
I. Patey ,
L. J. Rickard  and
B. E. Turner
L. Bottinelli
Affiliation:
Département de Radioastronomie, Observatoire de Paris-Meudon F-92195 Meudon, France Université Paris-Sud, Centre d'Orsay, F-91405 Orsay Cedex, France
D. Fraix-Burnet
Affiliation:
Département de Radioastronomie, Observatoire de Paris-Meudon F-92195 Meudon, France
L. Gouguenheim
Affiliation:
Département de Radioastronomie, Observatoire de Paris-Meudon F-92195 Meudon, France Université Paris-Sud, Centre d'Orsay, F-91405 Orsay Cedex, France
I. Kazès
Affiliation:
Département de Radioastronomie, Observatoire de Paris-Meudon F-92195 Meudon, France
A.M. Le Squeren
Affiliation:
Département de Radioastronomie, Observatoire de Paris-Meudon F-92195 Meudon, France
I. Patey
Affiliation:
Département de Radioastronomie, Observatoire de Paris-Meudon F-92195 Meudon, France
L. J. Rickard
Affiliation:
National Radio Astronomy Observatory, Edgemont Road, Charlottesville, VA 22901 USA
B. E. Turner
Affiliation:
National Radio Astronomy Observatory, Edgemont Road, Charlottesville, VA 22901 USA

Extract

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Since the first detection of OH molecules in external galaxies, in 1971, hydroxyl observations have led to several detections of absorption lines in extragalactic systems. Though more seldom, OH maser emission has been observed in the 1667 and 1665 MHz main lines in NGC 253 and in the 1667 MHz line in M82. More recently, very powerful masers have been observed in IC 4553, NGC 3690 and Mrk 231.

Type
II. Large Scale Processes of Star Formation
Information
Symposium - International Astronomical Union , Volume 115: Star Forming Regions , 1987 , pp. 636 - 637
Copyright
Copyright © Reidel 1987