An observational correlation between stellar brightness variations and surface gravity

Fabienne A. Bastien (), Keivan G. Stassun, Gibor Basri and Joshua Pepper
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Fabienne A. Bastien: Vanderbilt University, 1807 Station B, Nashville, Tennessee 37235, USA
Keivan G. Stassun: Vanderbilt University, 1807 Station B, Nashville, Tennessee 37235, USA
Gibor Basri: University of California, Hearst Field Annex, Berkeley, California 94720, USA
Joshua Pepper: Vanderbilt University, 1807 Station B, Nashville, Tennessee 37235, USA

Nature, 2013, vol. 500, issue 7463, 427-430

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.

Date: 2013
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DOI: 10.1038/nature12419

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