Proximity of Jupiter-Like Planets to Low-Mass Stars

Details Proximity of Jupiter-Like Planets to Low-Mass Stars Proximity of Jupiter-Like Planets to Low-Mass Stars

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995sci...267..360b&link_type=abstract

Science, Volume 267, Issue 5196, pp. 360-362

Astronomy and Astrophysics

Astronomy

116

Scientific paper

The sensitivities of astrometric and radial velocity searches for extrasolar planets are strongly dependent on planetary masses and orbits. Because most nearby stars are less massive than the sun, the first detection is likely to be of a Jupiter-mass planet orbiting a low-mass star, with a possible theoretical expectation being that Jupiter-like planets will be found much closer [inside the Earth-sun separation of 1 astronomical unit (AU)] to these low-luminosity stars than Jupiter is to the sun (5.2 AU). However, radiative hydrodynamic models of protoplanetary disks around low-mass stars (of 0.1 to 1 solar mass) show that Jupiter-like planets should form at distances (approximately 4 to 5 AU) that are only weakly dependent on the stellar mass.

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