OB Associations
Brown, Anthony G. A. · Blaauw, A. · Hoogerwerf, R. · de Bruijne, J. H. J. · de Zeeuw, P. T.
Original · EN
Since the previous (1990) edition of this meeting enormous progress in the field of OB associations has been made. Data from X-ray satellites have greatly advanced the study of the low-mass stellar content of associations, while astrometric data from the Hipparcos satellite allow for a characterization of the higher-mass content of associations with unprecedented accuracy. We review recent work on the OB associations located within 1.5 kpc from the Sun, discuss the Hipparcos results at length, and point out directions for future research.
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