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Zeeman splitting in OH megamasers

Published online by Cambridge University Press:  01 March 2007

Timothy Robishaw ,
Carl Heiles  and
Eliot Quataert
Timothy Robishaw
Affiliation:
Department of Astronomy, University of California, Berkeley, CA 94720, USA
Carl Heiles
Affiliation:
Department of Astronomy, University of California, Berkeley, CA 94720, USA
Eliot Quataert
Affiliation:
Department of Astronomy, University of California, Berkeley, CA 94720, USA
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Abstract

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We detected significant Zeeman splitting in the 1667 MHz OH megamaser emission from four ultraluminous galaxies. These detections, in addition to being the first extragalactic detection of the Zeeman effect in an emission line, suggest that OH megamasers are excellent extragalactic magnetometers.

Keywords

Masersgalaxies: magnetic fieldsgalaxies: starburstISM: molecules
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S242: Astrophysical Masers and their Environments , March 2007 , pp. 467 - 470
Copyright
Copyright © International Astronomical Union 2008

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