A Stability Study of S-Type Orbits in the Binary Gliese 86

Pilat-Lohinger, E.; Dvorak, R.; Funk, B.

doi:10.1007/978-94-017-2304-6_36

E. Pilat-Lohinger⁴,
R. Dvorak⁴ &
B. Funk⁴

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Abstract

The binary Gliese 86 is about 11 pc away from the Sun in the constellation Eridanus in the southern hemisphere; a Kl main sequence star (= m ₁) and a brown dwarf (= m ₂) build this double star system. The masses of the two stars are m ₁ = 0.79M _⊙ and m ₂ = 50M _Jupiter and the distance between these two components is at least 18.78 AU (Els et al., 2001). The discovered extra-solar planet moves in an orbit very close to the K1 V star — with a semi-major axis of 0.11 AU and an orbital period of about 15.8 days. From the CORALIE measurements a minimum mass of 4M _Jupiter has been determined for this planetary companion.

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Institute for Astronomy, University of Vienna, Türkenschanzstraße 17, A-1180, Vienna, Austria
E. Pilat-Lohinger, R. Dvorak & B. Funk

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E. Pilat-Lohinger
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R. Dvorak
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B. Funk
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Editors and Affiliations

Dipartimento di Matematica, Università di Roma “Tor Vergata”, Italy
Alessandra Celletti
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Brazil
Sylvio Ferraz-Mello
Département de Mathématique, FNDP, Namur, Belgium
Jacques Henrard

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Pilat-Lohinger, E., Dvorak, R., Funk, B. (2002). A Stability Study of S-Type Orbits in the Binary Gliese 86. In: Celletti, A., Ferraz-Mello, S., Henrard, J. (eds) Modern Celestial Mechanics: From Theory to Applications. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2304-6_36

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DOI: https://doi.org/10.1007/978-94-017-2304-6_36
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-6078-5
Online ISBN: 978-94-017-2304-6
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