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Title:
Limb-darkening corrections for interferometric uniform disc stellar angular diameters
Authors:
Davis, J.; Tango, W. J.; Booth, A. J.
Affiliation:
AA(Chatterton Astronomy Department, School of Physics, University of Sydney, NSW 2006, Australia), AB(Chatterton Astronomy Department, School of Physics, University of Sydney, NSW 2006, Australia), AC(Chatterton Astronomy Department, School of Physics, University of Sydney, NSW 2006, Australia)
Publication:
Monthly Notices of the Royal Astronomical Society, Volume 318, Issue 2, pp. 387-392. (MNRAS Homepage)
Publication Date:
10/2000
Origin:
MNRAS
MNRAS Keywords:
TECHNIQUES: INTERFEROMETRIC, STARS: ATMOSPHERES, STARS: FUNDAMENTAL PARAMETERS
DOI:
10.1046/j.1365-8711.2000.t01-1-03701.x
Bibliographic Code:
2000MNRAS.318..387D

Abstract

Stellar angular diameters determined interferometrically are generally established by fitting the observed visibility data with a curve appropriate for a uniformly illuminated disc. The resulting uniform-disc diameters must be corrected for the effects of limb darkening in order to determine the true angular diameters of the stars. An extensive grid of limb-darkening corrections, based directly on the centre-to-limb intensity variations for Kurucz model stellar atmospheres, has been computed without the intermediate step of a parametrized representation of the centre-to-limb variation. The limitations of this method of correction are discussed.

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