EDP Sciences
Free access
Issue A&A
Volume 428, Number 3, December IV 2004
Page(s) 1001 - 1005
Section Stellar atmospheres
DOI http://dx.doi.org/10.1051/0004-6361:20041673



A&A 428, 1001-1005 (2004)
DOI: 10.1051/0004-6361:20041673

Research Note

A new non-linear limb-darkening law for LTE stellar atmosphere models III

Sloan filters: Calculations for -5.0 $\leq$ log [M/H] $\leq$ +1, 2000  K $\leq$ T $\mathsf{_{eff}}$ $\leq$ 50 000 K at several surface gravities
A. Claret

Instituto de Astrofísica de Andalucía, CSIC, Apartado 3004, 18080 Granada, Spain
    e-mail: claret@iaa.es

(Received 16 July 2004 / Accepted 26 September 2004 )

Abstract
Continuing our studies on stellar atmospheres (Claret 2000, 2003), we present in this paper the limb-darkening coefficients for the Sloan photometric system. The calculations cover a wide range of values of log g, $T_{\rm eff}$, metallicities and microturbulent velocities. The atmosphere models used are ATLAS and PHOENIX. In addition to the traditional applications of the limb-darkening coefficients, the present ones will be useful since the Sloan filters are now being used in the interpretation of light curves of extrasolar transiting planets, for example. The present calculations may also be useful, as a complement, for the Kepler mission, dedicated to the search for terrestrial planets.


Key words: stars: atmospheres -- stars: binaries: eclipsing -- stars: low mass, brown-dwarfs -- stars: planetary systems


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Editor-in-Chief: T. Forveille
Letters Editor-in-Chief: J. Alves
Managing Editor: C. Bertout

ISSN: 0004-6361 ; e-ISSN: 1432-0746
Frequency: 12 volumes per year
Published by: EDP Sciences

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