Pulsar rotation measures and the galactic magnetic field

Details Pulsar rotation measures and the galactic magnetic field Pulsar rotation measures and the galactic magnetic field

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.237..533l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 237, March 15, 1989, p. 533-541.

Other

74

Interstellar Magnetic Fields, Magnetic Field Configurations, Magnetic Flux, Pulsars, Stellar Rotation, Astronomical Catalogs, Electron Density (Concentration), Magnetic Poles

Scientific paper

The rotation measures and dispersion measures of 185 pulsars are used to delineate the galactic magnetic field. The nearer pulsars, with dispersion measure DM less than 40 pc/cu cm, indicate that the local magnetic field is about 2-3 microG, directed toward l = 90 deg. The more distant pulsars indicate that the field at smaller galactocentric distances is reversed and stronger. The comparatively low rotation measures of extragalactic sources in other directions, including the direction of the anticenter, indicate the existence of other reversals.

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