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An observational correlation between stellar brightness variations and surface gravity

Author

Listed:
  • Fabienne A. Bastien

    (Vanderbilt University, 1807 Station B, Nashville, Tennessee 37235, USA)

  • Keivan G. Stassun

    (Vanderbilt University, 1807 Station B, Nashville, Tennessee 37235, USA
    Fisk University, 1000 17th Avenue North, Nashville, Tennessee 37208, USA)

  • Gibor Basri

    (University of California, Hearst Field Annex, Berkeley, California 94720, USA)

  • Joshua Pepper

    (Vanderbilt University, 1807 Station B, Nashville, Tennessee 37235, USA
    Lehigh University, 27 Memorial Drive West, Bethlehem, Pennsylvania 18015, USA)

Abstract

An analysis of archival data reveals an observational correlation between stellar brightness variations and surface gravity, allowing a determination of surface gravity with a precision of better than 25 per cent for inactive Sun-like stars at main-sequence to giant stages of evolution.

Suggested Citation

  • Fabienne A. Bastien & Keivan G. Stassun & Gibor Basri & Joshua Pepper, 2013. "An observational correlation between stellar brightness variations and surface gravity," Nature, Nature, vol. 500(7463), pages 427-430, August.
    • Handle: RePEc:nat:nature:v:500:y:2013:i:7463:d:10.1038_nature12419
    DOI: 10.1038/nature12419
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