Nature and evolution of the eclipsing millisecond binary pulsar PSR1957 + 20

Details Nature and evolution of the eclipsing millisecond binary pulsar PSR1957 + 20 Nature and evolution of the eclipsing millisecond binary pulsar PSR1957 + 20

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.334..225k&link_type=abstract

Nature (ISSN 0028-0836), vol. 334, July 21, 1988, p. 225-227. NASA-NSF-supported research.

Computer Science

100

Eclipsing Binary Stars, Pulsars, Stellar Evolution, X Ray Binaries, Accretion Disks, Degenerate Matter, Neutron Stars, Stellar Winds

Scientific paper

A millisecond pulsar may be able to evaporate a very light companion by a particular component of its energetic radiation. Pulsar turn-on in the binary follows a stage of mass transfer in a very low-mass X-ray binary, dominated by an evaporative wind from the surface of a very light, at least partially degenerate companion. The wind is driven by a large MeV γ-ray flux powered by an accretion dynamo. That source of irradiation ceases when it is replaced by that from the millisecond pulsar, which has been spun up by accretion. The authors apply this model to the recently discovered 1.6-ms pulsar PSR 1957+20.

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