Structure and evolution of nearby stars with planets. I. Short-period systems

Eric B. Ford, Frederic A. Rasio, Alison Sills

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Using the Yale stellar evolution code, we have calculated theoretical models for nearby stars with planetary-mass companions in short-period nearly circular orbits: 51 Pegasi, τ Bootis, υ Andromedae, ρ1 Cancri, and ρ Coronae Borealis. We present tables listing key stellar parameters such as mass, radius, age, and size of the convective envelope as a function of the observable parameters (luminosity, effective temperature, and metallicity), as well as the unknown helium fraction. For each star we construct best models based on recently published spectroscopic data and the present understanding of galactic chemical evolution. We discuss our results in the context of planet formation theory and, in particular, tidal dissipation effects and stellar metallicity enhancements.

Original languageEnglish (US)
Pages (from-to)411-429
Number of pages19
JournalAstrophysical Journal
Volume514
Issue number1 PART 1
StatePublished - Mar 20 1999

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metallicity
planets
planet
planetary mass
stars
stellar evolution
chemical evolution
circular orbits
galactic evolution
helium
coronas
corona
dissipation
envelopes
luminosity
radii
augmentation
temperature
parameter
code

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Ford, Eric B. ; Rasio, Frederic A. ; Sills, Alison. / Structure and evolution of nearby stars with planets. I. Short-period systems. In: Astrophysical Journal. 1999 ; Vol. 514, No. 1 PART 1. pp. 411-429.
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Ford, EB, Rasio, FA & Sills, A 1999, 'Structure and evolution of nearby stars with planets. I. Short-period systems', Astrophysical Journal, vol. 514, no. 1 PART 1, pp. 411-429.

Structure and evolution of nearby stars with planets. I. Short-period systems. / Ford, Eric B.; Rasio, Frederic A.; Sills, Alison.

In: Astrophysical Journal, Vol. 514, No. 1 PART 1, 20.03.1999, p. 411-429.

Research output: Contribution to journalArticle

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