A photometric study of 11 massive stars in the Magellanic Clouds | Zendy

van Genderen A. M. | Zendy; Sterken C. | Zendy

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A photometric study of 11 massive stars in the Magellanic Clouds

Author(s) -

van Genderen A. M.,

Sterken C.

Publication year - 2005

Publication title -

astronomische nachrichten

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.394

H-Index - 63

eISSN - 1521-3994

pISSN - 0004-6337

DOI - 10.1002/asna.200510401

Subject(s) - supergiant , physics , astrophysics , metallicity , stars , photometry (optics) , blue supergiant , astronomy , large magellanic cloud , galaxy , variable star , red supergiant

We present and discuss V BLUW photometry of eleven massive stars in the Magellanic Clouds: the SMC stars AzV121, AzV136 = HD5277 = R10, AzV197, AzV310 = R26 and AzV 369; the LMC stars GV80 = HD32034 = R62, GV91 = HDE 268 819, GV346 = HDE 269661 = R111, GV352 = HDE 269697, GV423 = HDE 269953 = R150 and GV460 = HDE 270111. Only one G0 Ia SMC supergiant is found to be variable, whereas all members of the LMC sample show definite variability. We find that roughly above M /M ⊙ = 25, supergiants become photometrically unstable. The reddening‐independent metal‐index [ B – L ] is used to investigate the metallicity of the late‐type supergiants in both galaxies relative to similar supergiants in the solar neighbourhood. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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