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Astron. Astrophys. 332, 1147-1153 (1998)

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Planetary orbits in the elliptic restricted problem

IV. The ADS 12033 system

D. Benest

C.N.R.S. U.M.R. 6529 "Cassini", O.C.A., Observatoire de Nice, B.P. 4229, F-06304 Nice Cedex 4, France

Received 31 October 1997 / Accepted 12 December 1997

Abstract

Numerical simulations are made within the frame of the elliptic plane restricted three-body problem, in order to search if stable orbits exist for planets around one of the two components in double stars. The ADS 12033 system is investigated here. Large stable planetary orbits, already known to exist (more precisely, known to be possible from the dynamical point of view) through a systematic exploration of the circular model and for several cases of the elliptic model (Sun-Jupiter, [FORMULA]  Centauri, Sirius and [FORMULA] Coronae Borealis), are found to exist around ADS 12033 A and ADS 12033 B up to distances from each star of the order of more than half the binary's periastron separation. Moreover, nearly circular stable planetary orbits are found to exist in the so-called "habitable zone" around each star.

Key words: celestial mechanics, stellar dynamics – binaries: visual – stars: individual: ADS 12033 – planetary systems

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© European Southern Observatory (ESO) 1998

Online publication: March 30, 1998
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