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An X-ray survey of OB associations in the Large Magellanic Cloud

Published online by Cambridge University Press:  19 July 2016

Qingde Wang
Affiliation:
Columbia Astrophysics Laboratory, 538 West 120th Street, New York, NY 10027
David J. Helfand
Affiliation:
Columbia Astrophysics Laboratory, 538 West 120th Street, New York, NY 10027

Abstract

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Based on Einstein IPC data, we have completed a census of X-ray emission from and around OB associations in the LMC. In addition to an apparent correlation of young, X-ray bright supernova remnants with recent star formation regions, we detect diffuse X-ray emission from over two dozen other associations; luminosities in the 0.16–3.5 keV band range from ˜ 3 × 1034 (the detection threshold) to ˜ 1036erg s−1. The mean X-ray luminosity of the ˜ 50 undetected associations is ˜ 1034erg s−1 and the emission from all associations contributes ˜ 4% to the total diffuse X-ray emission from the galaxy. Implications of this survey for ISM bubble evolution is discussed.

Type
Star Formation and Clustering
Copyright
Copyright © Kluwer 1991 

References

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