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The structure of the Large Magellanic Cloud from hot binary stars and Classical Cepheids

Published online by Cambridge University Press:  25 February 2014

T. Muraveva ,
G. Clementini ,
C. Maceroni  and
M.I. Moretti
T. Muraveva
Affiliation:
INAF, Osservatorio Astronomico di Bologna, Bologna, Italy
G. Clementini
Affiliation:
INAF, Osservatorio Astronomico di Bologna, Bologna, Italy
C. Maceroni
Affiliation:
INAF, Osservatorio Astronomico di Roma, Rome, Italy
M.I. Moretti
Affiliation:
INAF, Osservatorio Astronomico di Capodimonte, Naples, Italy
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Abstract

We present the results of analysis of 1764 eclipsing binary stars (EBs) in the Large Magellanic Cloud (LMC) contaminating the sample of candidate Classical Cepheids (CCs) from the EROS-2 survey. These binaries have the same periods and luminosities as Classical Cepheids, but their colors are bluer. These EBs contain hot massive Main Sequence components and could be used as tracers of regions of recent star formation activity.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 64: Setting a New Standard in the Analysis of Binary Stars , 2013 , pp. 409 - 410
Copyright
© EAS, EDP Sciences, 2014

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References

Cioni, M.-R.L., Clementini, G., Girardi, L., et al, 2011, A&A, 527, A116
Rucinski, S.M., 1997, AJ, 113, 407CrossRef
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