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Zeeman splitting of OH masers and the galactic magnetic field

Published online by Cambridge University Press:  03 August 2017

Vincent L. Fish ,
Mark J. Reid ,
Alice L. Argon  and
Karl M. Menten
Vincent L. Fish
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA
Mark J. Reid
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA
Alice L. Argon
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA
Karl M. Menten
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, Bonn, D-53121 Germany

Abstract

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Zeeman measurements of OH masers are used to probe the magnetic field around regions of massive star formation. Previous observations suggested that OH maser field directions were aligned in a clockwise sense in the Milky Way, but recent data from a large-scale VLA survey do not support this hypothesis. However, these observations suggest that the magnetic field of the Milky Way is correlated on kiloparsec scales.

Type
Part 4. Polarization and Magnetic Fields
Information
Symposium - International Astronomical Union , Volume 206: Cosmic Masers: From Protostars to Blackholes , 2002 , pp. 371 - 374
Copyright
Copyright © Astronomical Society of the Pacific 2002 

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