On the magnetization and origin of the millisecond pulsar 1937 + 214

Details On the magnetization and origin of the millisecond pulsar 1937 + 214 On the magnetization and origin of the millisecond pulsar 1937 + 214

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.302..301a&link_type=abstract

Nature, vol. 302, Mar. 24, 1983, p. 301-305. Research supported by the University of California

Astronomy and Astrophysics

Astrophysics

42

Astrophysics, Magnetization, Pulsars, Stellar Evolution, Dipole Moments, Magnetospheres, Neutron Stars, Stellar Magnetic Fields

Scientific paper

The structure of the millisecond pulsar PSR1937 + 214 is shown to include a magnetosphere compatible with other radio pulsars, although no synchrotron radiation-emitting bright nebula has been observed. It is suggested that interstellar extinction lowers the nebular energy to below the detection threshold level for the Einstein Observatory. Constraints on the pulsars magnetic dipole moment indicate a minimum spin-down rate of 10 to the -19th. The low magnetization detected may arise from initially low magnetic fields or field decay. Models of an expanding gas bubble are described for the case of supersonic expansion if the object is less than 1000 yr old and subsonic expansion if older. A scenario of a groupe of short period, weakly magnetized neutron stars is discussed.

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