| Issue |
A&A
Volume 428, Number 3, December IV 2004
|
|
|---|---|---|
| Page(s) | 1001 - 1005 | |
| Section | Stellar atmospheres | |
| DOI | https://doi.org/10.1051/0004-6361:20041673 | |
| Published online | 07 December 2004 | |
Research Note
A new non-linear limb-darkening law for LTE stellar atmosphere models III*
Sloan filters: Calculations for
–5.0 ≤ log [M/H] ≤ +1,
2000 K ≤ T
≤ 50 000 K at several surface gravities
Instituto de Astrofísica de Andalucía, CSIC, Apartado 3004, 18080 Granada, Spain e-mail: claret@iaa.es
Received:
16
July
2004
Accepted:
26
September
2004
Continuing our studies on stellar atmospheres (Claret [CITE], [CITE]), 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, Teff, 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
© ESO, 2004
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