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Spectral classification of very late luminous stars in the Gaia region

Published online by Cambridge University Press:  23 May 2013

R. Dorda ,
I. Negueruela  and
C. González-Fernández
R. Dorda
Affiliation:
Dpto. de Física, Ingeniería de Sistemas y Teoría de la Señal, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain. e-mail: ricardo.dorda@ua.es; ignacio.negueruela@ua.es ;
I. Negueruela
Affiliation:
Dpto. de Física, Ingeniería de Sistemas y Teoría de la Señal, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain. e-mail: ricardo.dorda@ua.es; ignacio.negueruela@ua.es ;
C. González-Fernández
Affiliation:
Dpto. de Física, Ingeniería de Sistemas y Teoría de la Señal, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain. e-mail: ricardo.dorda@ua.es; ignacio.negueruela@ua.es ;
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Abstract

We are using a sample of more than 50 standard very late-type stars, taken from Isaac Newton Telescope at R  ~ 9000 in the 8100–9100 Å range, in order to develop criteria for spectral and luminosity classification of very late-type stars in the Gaia region. In this article, we brief in a few pages the main challenges on this issue, as well as the literature about it, and we present some preliminary results.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 60: Betelgeuse Workshop 2012 The Physics of Red Supergiants: Recent Advances and Open Questions , 2013 , pp. 299 - 304
Copyright
© EAS, EDP Sciences 2013

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