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Case studies of habitable Trojan planets in the system of HD 23079

Published online by Cambridge University Press:  18 May 2011

J. Eberle ,
M. Cuntz ,
B. Quarles  and
Z.E. Musielak
J. Eberle*
Affiliation:
Department of Physics, University of Texas at Arlington, Box 19059, Arlington, TX 76019, USA
M. Cuntz*
Affiliation:
Department of Physics, University of Texas at Arlington, Box 19059, Arlington, TX 76019, USA
B. Quarles*
Affiliation:
Department of Physics, University of Texas at Arlington, Box 19059, Arlington, TX 76019, USA
Z.E. Musielak*
Affiliation:
Department of Physics, University of Texas at Arlington, Box 19059, Arlington, TX 76019, USA
*
E-mail: wjeberle@uta.edu
E-mail: cuntz@uta.edu
E-mail: billyq@uta.edu
E-mail: zmusielak@uta.edu
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Abstract

We investigate the possibility of habitable Trojan planets in the HD 23079 star–planet system. This system consists of a solar-type star and a Jupiter-type planet, which orbits the star near the outer edge of the stellar habitable zone in an orbit of low eccentricity. We find that in agreement with previous studies Earth-mass habitable Trojan planets are possible in this system, although the success of staying within the zone of habitability is significantly affected by the orbital parameters of the giant planet and by the initial condition of the theoretical Earth-mass planet. In one of our simulations, the Earth-mass planet is captured by the giant planet and thus becomes a habitable moon.

Keywords

extrasolar planetshabitable zoneorbital stabilityplanetary climate
Type
Research Article
Information
International Journal of Astrobiology , Volume 10 , Issue 4 , October 2011 , pp. 325 - 334
Copyright
Copyright © Cambridge University Press 2011

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