The Age Dependence of the Detectability of Comets Orbiting Solar‐Type Stars | Zendy

M. Jura | Zendy

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The Age Dependence of the Detectability of Comets Orbiting Solar‐Type Stars

Author(s) -

M. Jura

Publication year - 2005

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/426902

Subject(s) - stars , physics , astrophysics , planet , comet , solar system , astronomy , orbit (dynamics) , transient (computer programming) , absorption (acoustics) , astrobiology , optics , engineering , aerospace engineering , computer science , operating system

The outflows from comets in orbit around G-type main-sequence stars can bedetected when they produce transient OH absorption lines in the spectrum near3100 Angstroms of the host star. There is only about a 3 X 10^{-8} probabilityof detecting an analog to comet Hale-Bopp orbiting an analog to the Sun.However, for young solar-type stars with very large numbers of comets, possiblydelivering water to terrestrial planets, there is as much as a 1% chance thatany sufficiently sensitive, randomly-timed observation may detect suchtransient absorption.Comment: 6 pages, 1 figure, accepted by Ap

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