Study of the Extinction Law in M31 and Selection of Red Supergiants

An average value of the total-to-selective-extinction ratio R_V=3.8 +/- 0.4 in M31 is obtained by means of two independent methods and by use of the analytical formula of Cardelli, Clayton & Mathis (1989). This result differs from previous determinations as well from the `standard' value 3....

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Veröffentlicht in:	arXiv.org 1999-11
Hauptverfasser:	Nedialkov, P, Veltchev, T
Format:	Artikel
Sprache:	eng
Schlagworte:	Andromeda Galaxy Extinction Galaxies Local group (astronomy) Luminosity Massive stars Milky Way Galaxy Stars Stellar evolution
Online-Zugang:	Volltext
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