Is the PSR 1913 plus 16 companion a pulsar in the propeller phase

Details Is the PSR 1913 plus 16 companion a pulsar in the propeller phase Is the PSR 1913 plus 16 companion a pulsar in the propeller phase

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982nciml..33..545b&link_type=abstract

Nuovo Cimento, Lettere, Serie 2, vol. 33, Apr. 24, 1982, p. 545-548.

Computer Science

Binary Stars, Gravitational Waves, Pulsars, Relativity, Satellite Observation, X Ray Sources, Companion Stars, Eccentric Orbits, Magnetospheres, Propellers, Rotating Environments

Scientific paper

An explanation for the observed orbital eccentricity and lack of X-ray emission from the binary pulsar PSR 1913 plus 16 is suggested involving the status of the pulsar companion in a propeller phase. It is shown that values of the density of a gas cloud surrounding the system which are sufficient to account for the observed binary period at the given eccentricity would lead to X-ray emission by the pulsar unless it is in a propeller phase, where the rotating magnetosphere would prevent gas accretion. Such a situation may be produced by the alignment of the magnetic dipole with the rotation axis, and verified by dispersion measurements giving the gas density of the cloud.

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