EDP Sciences
Free access
Volume 401, Number 2, April II 2003
Page(s) 657 - 660
Section Formation and evolution of planetary systems
DOI http://dx.doi.org/10.1051/0004-6361:20030142

A&A 401, 657-660 (2003)
DOI: 10.1051/0004-6361:20030142

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

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

Instituto de Astrofísica de Andalucía, CSIC, Apartado 3004, 18080 Granada, Spain
(Received 3 December 2002 / Accepted 15 January 2003 )

As an extension of our previous investigations on stellar atmospheres (Claret 2000), the limb-darkening coefficients for the Geneva and Walraven photometric systems are presented for the first time using the ATLAS and PHOENIX models. They cover a wide range of values of log g, $T_{\rm eff}$, metallicities and microturbulent velocities. In addition to the traditional applications of limb-darkening coefficients, the present ones are now being used in the interpretation of phase shift of B and A-F type pulsating stars.

Key words: stars: atmospheres -- stars: binaries: eclipsing -- stars: abundances

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