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What Mechanism Depolarizes the Emission from the SW Arm of M31?

Published online by Cambridge University Press:  19 July 2016

E.M. Berkhuijsen  and
R. Beck
E.M. Berkhuijsen
Affiliation:
Max-Planck-Institut für Radioastronomie Auf dem Hügel 69 5300 Bonn 1, FRG
R. Beck
Affiliation:
Max-Planck-Institut für Radioastronomie Auf dem Hügel 69 5300 Bonn 1, FRG

Abstract

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Gradients in rotation measure and dispersion in rotation measure, both across the telescope beam, depolarize the radio emission from the SW arm of M31. Faraday effects along the line of sight appear to be negligible.

Type
5. The Polarization, Magnetic Field and Velocity Structure of External Spiral Galaxies
Information
Symposium - International Astronomical Union , Volume 140: Galactic and Intergalactic Magnetic Fields , 1990 , pp. 201 - 202
Copyright
Copyright © Kluwer 1990 

References

Beck, R. and Berkhuijsen, E.M. (1989) this volume.Google Scholar
Beck, R., Loiseau, N., Hummel, E., Berkhuijsen, E.M., Gräve, R. and Wielebinski, R. (1989) Astron. Astrophys. 222, 58.Google Scholar
Berkhuijsen, E.M., Beck, R. and Gräve, R. (1987) in Beck, R. and Gräve, R. (eds.), Interstellar Magnetic Fields , Springer, p. 38.CrossRefGoogle Scholar
Cordes, J.M., Clegg, A. and Simonetti, J.H. (1989) this volume.Google Scholar
Loiseau, N., Hummel, E., Beck, R. and Wielebinski, R. (1987) in Beck, R. and Gräve, R. (eds.), Interstellar Magnetic Fields , Springer, p. 42.CrossRefGoogle Scholar