Members of Centaurus OB1 and NGC 4755: new spectroscopic and astrometric studies⋆⋆⋆

Author： Corti M. A.   Orellana R. B.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|553|issue|A108-A108

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.553, Iss.issue, 2013-05, pp. : A108-A108

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Abstract

Context. An OB association is a gravitationally unbound group of stars. The identification of the members of the association is an important aspect of its study. There are few astrometric membership studies for OB associations, but the combination of these studies with astrophysical techniques becomes a very powerful tool for this type of research.

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