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dc.contributor.authorSchonberner, D.
dc.contributor.authorNapiwotzki, R.
dc.date.accessioned2008-01-27T15:29:44Z
dc.date.available2008-01-27T15:29:44Z
dc.date.issued1993
dc.identifier.citationSchonberner , D & Napiwotzki , R 1993 , The blue straggler stars of galactic clusters . in In: Inside the stars; Proceedings of the 137th IAU Colloquium, ASP Conference Series 40 . Astronomical Society of the Pacific , pp. 480-482 .
dc.identifier.isbn0-937707-59-7
dc.identifier.otherPURE: 159670
dc.identifier.otherPURE UUID: 682f17ad-d4f5-4194-b71e-123573cfdfb9
dc.identifier.otherdspace: 2299/1417
dc.identifier.urihttp://hdl.handle.net/2299/1417
dc.descriptionOriginal paper can be found at: http://www.astrosociety.org/pubs/cs/035-069.html--Copyright Astronomical Society of the Pacific
dc.description.abstractThe origin and evolution of blue straggler stars (BS) in clusters is still an unsolved problem for our understanding of stellar evolution. Several rivalling theories exist, of which that of Saio & Wheeler (1980) is the most interesting one since it assumes additional mixing of fuel in the interior of BS. This theory predicts larger luminosity-to-mass ratios for a given position in the HR diagram compared to the standard evolution theory. This theory has been taylored for the old galactic cluster NGC 7789 which contains many bona fide BS, but it can also be used for other clusters of similar ages. The other theories rely on the standard theory of stellar evolution and assume (1) binary mass exchange or even merging, or (2) delayed star formation. In either case follows a "normal" luminosity-to-mass ratio. We report here on a careful spectroscopic investigation in order to discriminate between these rivalling theories.en
dc.language.isoeng
dc.publisherAstronomical Society of the Pacific
dc.relation.ispartofIn: Inside the stars; Proceedings of the 137th IAU Colloquium, ASP Conference Series 40
dc.rightsOpen
dc.titleThe blue straggler stars of galactic clustersen
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.relation.schoolSchool of Physics, Astronomy and Mathematics
dcterms.dateAccepted1993
rioxxterms.typeOther
herts.preservation.rarelyaccessedtrue
herts.rights.accesstypeOpen


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