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On Galactic magnetic field derived from RMs of pulsars

Published online by Cambridge University Press:  12 April 2016

J.L. Han  and
G.J. Qiao
J.L. Han
Affiliation:
Beijing Astronomical Observatory, CAS, Beijing 100080, China
G.J. Qiao
Affiliation:
Department of Geophysics, Peking University, Beijing 100871, China

Abstract

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RMs of all 262 pulsars are used to see the large scale magnetic field of our Galaxy. We find that: (1). RMs of 91 pulsars at high galactic latitude (|b| > 8.6°) show two toroidal magnetic rings antisymmetric with respect to galactic plane. These data shouldn’t be used for modelling the large scale field in Galactic disk; (2). pulsars at low galactic latitude are concentrated on the spiral arms; (3). the directions of fields have a similar pitch angle to that of spiral arms.

Type
Part 6 Winds and the ISM
Information
International Astronomical Union Colloquium , Volume 160: Pulsars: Problems and Progress , 1996 , pp. 485 - 486
Copyright
Copyright © Astronomical Society of the Pacific 1996

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