Astronomy and Astrophysics – Astronomy
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.303...48m&link_type=abstract
Nature (ISSN 0028-0836), vol. 303, May 5, 1983, p. 48.
Astronomy and Astrophysics
Astronomy
12
Disks (Shapes), Neutron Stars, Pulsars, Radio Sources (Astronomy), Stellar Envelopes, Astronomical Models, Field Strength, Stellar Magnetic Fields, X Ray Sources
Scientific paper
The observed properties of the pulsar PSR1937+214 are compared with predictions of the disk model. It is assumed that an isolated magnetized rotating neutron star is ringed by a fluid disk with a 0.00001 solar mass, and relative rotations of the star and the disk produce potential differences across the disk. A Faraday disk dynamo is also formed between the disk and the star, and allows the polar cap current to return from the disk to the star through auroral arcing. Preferential regions of the star are recipients of a return current controlled by the surface magnetic field structure, which configures the pulsing emissions. The disk model predicts the average luminosity to be 10 to the 31st erg/sec, and an emission of 3 x 10 to the 30th erg/sec was detected. Only one-millionth of the output of the emissions is in the radio region, and the X and gamma ray emissions are in the normal range for pulsars. It is concluded that PSR1937+214 behaves within the predictions of the disk model and is not a new kind of object.
Dessler A. J.
Michel Curtis F.
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