| Issue |
EPJ Web of Conferences
Volume 16, 2011
Research, Science and Technology of Brown Dwarfs and Exoplanets: Proceedings of an International Conference held in Shangai on Occasion of a Total Eclipse of the Sun
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|
|---|---|---|
| Article Number | 04006 | |
| Number of page(s) | 4 | |
| Section | Brown Dwarf and Planet Characterization | |
| DOI | https://doi.org/10.1051/epjconf/20111604006 | |
| Published online | 18 July 2011 | |
https://doi.org/10.1051/epjconf/20111604006
Physical parameters of a sample of M dwarfs from high-resolution near-infrared spectra
1 UNINOVA-CA3, Campus da Caparica, Quinta da Torre, Monte de Caparica, 2825-149 Caparica, Portugal
2 School of Cosmic Physics, Dublin Institute of Advanced Studies, Dublin 2, Ireland
3 University of Central Florida, Department of Physics, Orlando, FL 32816-2385, USA
4 CAB (CSIC-INTA), Ctra. Ajalvir km 4, 28850 Torrejón de Ardoz, Madrid, Spain
5 Hamburger Sternwarte, Gojenbergsweg 112, 21029 Hamburg, Germany
6 SUPA, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews KY16 9SS, UK
a email: cburgo@uninova.pt
We show preliminary results about the effective temperature, surface gravity, and projected rotational velocity of eleven M dwarfs from the comparison of high-resolution near-infrared spectra with resolving power of ~20,000 and atmosphere synthetic models. Our results are in good agreement with those found in the literature. We find that the haze of observed absorption features (mostly water vapor) is relatively well modeled by the synthetic spectra.
© Owned by the authors, published by EDP Sciences, 2011
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