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Title:
Luminosity-colour relations for red clump stars
Authors:
Bilir, S.; Önal, Ö.; Karaali, S.; Cabrera-Lavers, A.; Çakmak, H.
Affiliation:
AA(Faculty of Science, Department of Astronomy and Space Sciences, Istanbul University), AB(Faculty of Science, Department of Astronomy and Space Sciences, Istanbul University), AC(Faculty of Science, Department of Astronomy and Space Sciences, Istanbul University), AD(Instituto de Astrofísica de Canarias; Departamento de Astrofísica, Universidad de La Laguna), AE(Faculty of Science, Department of Astronomy and Space Sciences, Istanbul University)
Publication:
Astrophysics and Space Science, Volume 344, Issue 2, pp.417-427 (Ap&SS Homepage)
Publication Date:
04/2013
Origin:
SPRINGER
Keywords:
Stars: distances, Stars: late-type, Galaxy: fundamental parameters
Abstract Copyright:
(c) 2013: Springer Science+Business Media Dordrecht
DOI:
10.1007/s10509-012-1342-9
Bibliographic Code:
2013Ap&SS.344..417B

Abstract

We calibrated the absolute magnitudes M V , M J , M_{Ks} and M g of red clump stars in terms of colours. M V and M g are strongly dependent on colour, while the dependence of M J and M_{Ks} on colour is rather weak. The calibration of the absolute magnitudes M V and M_{Ks} is tested on 101 RC stars in the field SA 141. The Galactic model parameters estimated with this sample are in good agreement with earlier studies.
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