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  Spectral synthesis of CARMENES M-type stars: stellar atmospheric parameters

Lázaro, F. J., Montes, D., Tabernero, H. M., Marfil, E., Caballero, J. A., González Hernández, J. I., et al. (2019). Spectral synthesis of CARMENES M-type stars: stellar atmospheric parameters.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-D331-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0005-D332-4
Genre: Proceedings

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https://ui.adsabs.harvard.edu/abs/2019hsax.conf..416L (Any fulltext)
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 Creators:
Lázaro, F. J.1, Author
Montes, D.1, Author
Tabernero, H. M.1, Author
Marfil, E.1, Author
Caballero, J. A.1, Author
González Hernández, J. I.1, Author
Consortium, CARMENES1, Author
Affiliations:
1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692              

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 Abstract: We show our very first results regarding the stellar atmospheric parameter determinations (T_{eff} , log g, [Fe/H]) of M-type stars observed with CARMENES te{Carmenes} by means of the spectral synthesis method. We have selected spectral ranges around iron and titanium lines and molecular bands in three reference M-type stars: GX And (M1.0 V), Luyten's star (M3.5 V),and Teegarden's star (M7.0 V). We employ PHOENIX stellar model atmospheres te{Phoenix}, the radiative transfer code TurboSpectrum te{TurboSpectrum} and line data from the VALD3 database te{Vald} to obtain a grid of synthetic spectra, and a Markov Chain Monte Carlo process implemented in SteParSyn code te{SteParSyn} to derive the value of the stellar atmospheric parameters.

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 Dates: 2019
 Publication Status: Issued
 Pages: 416-417
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISBN: 9788409093311
 Degree: -

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Title: Highlights on Spanish Astrophysics X
Place of Event: -
Start-/End Date: 2019

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