Concept information
Preferred term
OB association
Definition
- A loosely bound grouping of O and B stars that typically stretches up to several hundred light-years and may contain between a dozen and several hundred O stars and B stars. The members of an OB association are young and of roughly the same age. OB associations dissipate in a few tens of millions of years. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=ob+association&formSubmit=Search&showAll=1)
Broader concept
Entry terms
- OB2 association
- OB2 stellar association
- OB stellar association
In other languages
-
French
-
association stellaire OB
URI
http://data.loterre.fr/ark:/67375/MDL-Z3CP4LLL-B
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