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Habitability of Brown Dwarf Planets

Published online by Cambridge University Press:  19 September 2017

Andrey Andreeshchev  and
John Scalo
Andrey Andreeshchev
Affiliation:
Department of Astronomy, University of Texas, Austin TX 78712, U.S.A
John Scalo
Affiliation:
Department of Astronomy, University of Texas, Austin TX 78712, U.S.A

Abstract

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The time during which the temperature of a terrestrial-like planet remains in the liquid water range during the fading of its parent brown dwarf is calculated as a function of brown dwarf mass and planetary semimajor axis using recent models for brown dwarf evolution and two criteria for habitable zone width. Durations of habitability range from 0.5–2 Gyr at a brown dwarf mass of 0.03 M⊙ to 2–10 Gyr at a brown dwarf mass of 0.07 M⊙ for planets within a few Roche radii.

Type
Extrasolar Planets
Information
Symposium - International Astronomical Union , Volume 213: Bioastronomy 2002: Life Among the stars , 2004 , pp. 115 - 118
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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