New Results for Three Nearby OB Associations

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dc.creatorHoogerwerf, R.
dc.creatorde Bruijne, J. H. J.
dc.creatorBrown, A. G. A.
dc.creatorLub, J.
dc.creatorBlaauw, A.
dc.creatorde Zeeuw, P. T.
dc.date1997-07-08
dc.date.accessioned2026-07-07T02:23:46Z
dc.date.available2026-07-07T02:23:46Z
dc.descriptionWe have developed a new procedure to identify moving groups, and have applied it to carry out a census of the nearby OB associations based on Hipparcos parallaxes and proper motions (see de Bruijne et al. and de Zeeuw et al. elsewhere in this volume). Here we present three illustrative cases. For $α$ Persei our method allows us to refine the bright end of the membership list, while for Collinder 121 the Hipparcos data change the whole appearance of the association. Finally, we report the discovery of a new association in the field of Cepheus OB2.
dc.description4 pages, 7 Postscript figures, LaTeX using venice97.sty, twocolumn.sty; to appear in Proceedings of the Hipparcos Venice '97 Symposium, ESA-SP 402
dc.identifierhttps://arxiv.org/abs/astro-ph/9707088
dc.identifierhttp://arxiv.org/abs/astro-ph/9707088
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/11378
dc.subjectAstrophysics
dc.titleNew Results for Three Nearby OB Associations
dc.typetext

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