The origin of the planet orbiting PSR1829 - 10

Details The origin of the planet orbiting PSR1829 - 10 The origin of the planet orbiting PSR1829 - 10

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991natur.352..783p&link_type=abstract

Nature (ISSN 0028-0836), vol. 352, Aug. 29, 1991, p. 783, 784.

Astronomy and Astrophysics

Astronomy

37

Neutron Stars, Orbital Elements, Planetary Evolution, Planetary Systems, Pulsars, Radio Sources (Astronomy), Stellar Envelopes, White Dwarf Stars

Scientific paper

Two explanations for the existence and orbital parameters of the claimed planet-mass object in a cicular six-month orbit around the radio pulsar PSR1829 - 10 are presented. In the first, the pulsar forms from the coalescence of two white dwarfs and the planet condenses from a massive disk of material left behind. In the second, a neutron star collides with and cannibalizes the central star of a solar-type planetary system. The orbits of the inner planets are made elliptical by this collision, but then are recircularized by drag forces due to the extended but short-lived envelope of the disrupted central star.

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