Supernovae in Planetary Systems

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Scientific paper

The problem of the survival of planets orbiting a star that becomes a supernova is studied, and the range of masses and orbital periods of planets that can survive the red giant and supernova explosion, but which are observationally excluded, is determined. It follows that any planet, whose mass is at least that of Jupiter, and the length of whose semimajor axis is between that of Jupiter and Mercury, is excluded by the present study. The nonexistence of such planets orbiting a pulsar implies, according to the present study, that the presupernova star did not have them either. This lends support to the idea that the parent stars of the pulsars, of masses 4 Msun < M < 8 Msun, have no planetary systems.

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