Neutron stars and planet-mass companions

Details Neutron stars and planet-mass companions Neutron stars and planet-mass companions

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.254p..19s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 254, Feb. 1, 1992, p. 19P-22P.

Astronomy and Astrophysics

Astronomy

28

Companion Stars, Extrasolar Planets, Planetary Evolution, Pulsars, Neutron Stars, Planetary Mass, Stellar Luminosity

Scientific paper

A formation mechanism is proposed for the recently discovered planet-mass companions to neutron stars, namely, that the stellar companion of a millisecond pulsar is disrupted by rapid mass loss via an evaporative wind driven by the pulsar radiation. Because the star loses mass on a time-scale short compared to its thermal time-scale, it expands and overspills its Roche lobe. This process can result in the disruption of the stellar companion and the formation of a massive disk around the neutron star. This disk then evolves, in a manner analogous to the solar nebula, to form planet-mass objects around the neutron star.

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