Exoplanetary systems fundamental parameters Virtual Observatory Resource

Authors
  1. Damiani C.
  2. Lanza A.F.
  3. Published by
    CDS
Abstract

We assess the importance of tidal evolution and its interplay with magnetic braking in the population of hot-Jupiter planetary systems. By minimizing the total mechanical energy of a given system under the constraint of stellar angular momentum loss, we rigorously find the conditions for the existence of dynamical equilibrium states. We estimate their duration, in particular when the wind torque spinning down the star is almost compensated for by the tidal torque spinning it up. We introduce dimensionless variables to characterize the tidal evolution of observed hot Jupiter systems and discuss their spin and orbital states using generalized Darwin diagrams based on our new approach. We show that their orbital properties are related to the effective temperature of their host stars. The long-term evolution of planets orbiting F- and G-type stars is significantly different owing to the combined effect of magnetic braking and tidal dissipation. The existence of a quasi-stationary state, in the case of short-period planets, can significantly delay their tidal evolution that would otherwise bring the planet to fall into its host star. Most of the planets known to orbit F-type stars are presently found to be near this stationary state, probably in a configuration not too far from what they had when their host star settled on the zero-age main sequence. Considering the importance of angular momentum loss in the early stages of stellar evolution, our results indicate that it has to be considered to properly test the migration scenarios of planetary system formation.

Keywords
  1. multiple-stars
  2. orbits
Bibliographic source Bibcode
2015A&A...574A..39D
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/574/A39
IVOA Identifier IVOID
ivo://CDS.VizieR/J/A+A/574/A39
Document Object Identifer DOI
doi:10.26093/cds/vizier.35740039

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/574/A39
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/574/A39
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/574/A39
IVOA Table Access TAP
https://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/574/A39/table4?
https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/574/A39/table4?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/574/A39/table4?

History

2015-03-24T14:53:57Z
Resource record created
2015-03-24T14:53:57Z
Created
2023-12-21T15:43:41Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr