Anomalous Proper-Motions in the Cygnus Super Bubble Region

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RECERCAT Home > Universitat de Barcelona > Física Quàntica i Astrofísica > Articles publicats en revistes (Física Quàntica i Astrofísica) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/9191

dc.contributor	Universitat de Barcelona
dc.contributor.author	Comerón Tejero, Fernando
dc.contributor.author	Torra Roca, Jorge
dc.contributor.author	Jordi i Nebot, Carme
dc.contributor.author	Gomez, A. E.
dc.date	2009-08-25T07:46:26Z
dc.date	2009-08-25T07:46:26Z
dc.date	1993
dc.identifier.citation	0365-0138
dc.identifier.citation	76391
dc.identifier.uri	http://hdl.handle.net/2445/9191
dc.format	11 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	EDP Sciences
dc.relation	Reproducció digital del document publicat en format paper, proporcionada per NASA Astrophysics Data System http://adsabs.harvard.edu/
dc.relation	Astronomy and Astrophysics Supplement Series, 1993, vol. 101, núm. 1, p. 37-47.
dc.rights	(c) The European Southern Observatory, 1993
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Estels Clústers
dc.subject	Clústers
dc.subject	Fotometria astronòmica
dc.subject	Stars: early type
dc.subject	Interstellar medium: bubbles
dc.subject	Open clusters and associations: Cygnus OB1, Cygnus OB9
dc.title	Anomalous Proper-Motions in the Cygnus Super Bubble Region
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	In an analysis of proper motions of O and B stars contained the Input Catalogue for Hipparcos, we have found a clear deviation from the expected pattern of systematic motions which can be readily identified with the associations Cygnus OB1 and Cygnus OB9, located near de the edge of the Cygnus Superbubble. Teha anomalous motions are directed outwards from the center of the Superbubble, which is coincident with tha association Cygnus OB2. This seems to support the hypothesis of a strong stellar and supernova activity in Cygnus 0B2 giving rise to the Superbubble and, by means of gravitational instabilities in its boundaries, to Cygnus 0B1 and Cygnus OB9. New uvby-beta aperture photometry of selected O and B stars in the area of Cygnus OB1 and Cygnus OB9 is also presented and analyzed in this paper.

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