SIMBAD references

2020AJ....159...80Q - Astron. J., 159, 80-80 (2020/March-0)

Orbital stability of circumstellar planets in binary systems.


Abstract (from CDS):

Planets that orbit only one of the stars in stellar binary systems (i.e., circumstellar) are dynamically constrained to a limited range of orbital parameters, and understanding conditions on their stability is thus of great importance in exoplanet searches. We perform ∼700 million N-body simulations to identify how stability regions depend on properties of the binary, as well as the starting planetary inclination and mean longitude relative to the binary orbit. Moreover, we provide grid interpolation maps and lookup tables for the community to use our results. Through Monte Carlo methods, we determine that planets with a semimajor axis ap <= 8% of the binary semimajor axis abin will likely be stable, given the known distribution of binary star parameters. This estimate varies in the Lidov-Kozai regime or for retrograde orbits to 4% or 10% of abin, respectively. Our method to quickly determine the circumstellar stability limit is important for interpreting observations of binaries using direct imaging with the James Webb Space Telescope, photometry with the Transiting Exoplanet Survey Satellite, or even astrometry with Gaia.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Orbits - Habitable planets - Exoplanet dynamics - Exoplanets - Binary stars

Simbad objects: 48

goto Full paper

goto View the reference in ADS

To bookmark this query, right click on this link: simbad:2020AJ....159...80Q and select 'bookmark this link' or equivalent in the popup menu


© Université de Strasbourg/CNRS

    • Contact