Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982afz....18..255a&link_type=abstract
(Astrofizika, vol. 18, Apr.-June 1982, p. 255-262.) Astrophysics, vol. 18, no. 2, Oct. 1982, p. 156-160. Translation.
Astronomy and Astrophysics
Astronomy
7
Faraday Effect, Interstellar Magnetic Fields, Magnetic Field Configurations, Milky Way Galaxy, Radio Sources (Astronomy), Extragalactic Radio Sources, H Ii Regions, Magnetic Flux, Statistical Analysis
Scientific paper
Rotation measures for more than 700 radio sources are used to confirm that the magnetic field of the Galaxy is parallel to one of its spiral arms, and an attempt is made to determine the nature of some unidentified radio sources. The large-scale magnetic field is also shown to have opposite directions in the regions -90 to 15 degrees and 15 and 90 degrees galactic latitude. The magnetic field in the unidentified radio sources for which the rotation measures are greater than 200 rad/sq m appears to be a continuation of the galactic magnetic field and coincides with the field of the southern hemisphere. The large rotation measures in these objects are obtained because of the large value of the electron concentration in H II regions.
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