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Title:
Determining stellar radii using large separations: an error analysis
Authors:
Basu, Sarbani; Chaplin, William J.; Elsworth, Yvonne
Affiliation:
AA(Department of Astronomy, Yale University), AB(School of Physics and Astronomy, University of Birmingham), AC(School of Physics and Astronomy, University of Birmingham)
Publication:
Astrophysics and Space Science, Volume 328, Issue 1-2, pp. 79-82 (Ap&SS Homepage)
Publication Date:
07/2010
Origin:
SPRINGER
Keywords:
Methods: data analysis, Stars: fundamental parameters, Stars: oscillations, Stars: interiors
Abstract Copyright:
(c) 2010: Springer Science+Business Media B.V.
DOI:
10.1007/s10509-009-0164-x
Bibliographic Code:
2010Ap&SS.328...79B

Abstract

The Kepler mission will provide large separations for many stars. One of the tasks of Kepler Asteroseismic Consortium is to determine radii of the observed stars from the large separations and other catalogued ``classical'' data such as effective temperature, metallicities, brightness, distance etc. We present the results of a detailed analysis of errors in the radius estimates caused by errors in the input parameters. This exercise enables us to determine which parameters will benefit from follow-up observations of the interesting cases.
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Database: Astronomy
Physics
arXiv e-prints