Effective temperature vs line-depth ratio for ELODIE spectra. Gravity and rotational velocity effects

Details Effective temperature vs line-depth ratio for ELODIE spectra. Gravity and rotational velocity effects Effective temperature vs line-depth ratio for ELODIE spectra. Gravity and rotational velocity effects

2007-04-11

arxiv.org/abs/0704.1456v1

Astronomy and Astrophysics

Astrophysics

10 pages, 12 figures, Accepted by AN

Scientific paper

10.1002/asna.200710781

The dependence on the temperature of photospheric line-depth ratios (LDRs) in the spectral range 6190-6280 A is investigated by using a sample of 174 ELODIE Archive stellar spectra of luminosity class from V to III. The rotational broadening effect on LDRs is also studied. We provide useful calibrations of effective temperature versus LDRs for giant and main sequence stars with 3800

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