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dc.contributor.authorJordan, A.
dc.contributor.authorSivakoff, G.R.
dc.contributor.authorMcLaughlin, D.E.
dc.contributor.authorBlakeslee, J.P.
dc.contributor.authorEvans, D.A.
dc.contributor.authorKraft, R.P.
dc.contributor.authorHardcastle, M.J.
dc.contributor.authorPeng, E.W.
dc.contributor.authorCote, P.
dc.contributor.authorCroston, J.H.
dc.contributor.authorJuett, A.M.
dc.contributor.authorMinniti, D.
dc.contributor.authorRaychaudhury, S.
dc.contributor.authorSarazin, C.L.
dc.contributor.authorWorrall, S.M.
dc.contributor.authorHarris, W.E.
dc.contributor.authorWoodley, K.A.
dc.contributor.authorBirkinshaw, M.
dc.contributor.authorBrassington, Nicola
dc.contributor.authorForman, W.R.
dc.contributor.authorJones, C.
dc.contributor.authorMurray, S.S.
dc.date.accessioned2011-12-14T15:01:09Z
dc.date.available2011-12-14T15:01:09Z
dc.date.issued2007
dc.identifier.citationJordan , A , Sivakoff , G R , McLaughlin , D E , Blakeslee , J P , Evans , D A , Kraft , R P , Hardcastle , M J , Peng , E W , Cote , P , Croston , J H , Juett , A M , Minniti , D , Raychaudhury , S , Sarazin , C L , Worrall , S M , Harris , W E , Woodley , K A , Birkinshaw , M , Brassington , N , Forman , W R , Jones , C & Murray , S S 2007 , ' Low-Mass X-ray Binaries and Globular Clusters in Centaurus A ' , The Astrophysical Journal , vol. 671 , no. 2 , pp. L117-L120 . https://doi.org/10.1086/525524
dc.identifier.issn0004-637X
dc.identifier.otherPURE: 154267
dc.identifier.otherPURE UUID: 0bddea8c-0535-4937-abcc-4931ba7f96f4
dc.identifier.otherdspace: 2299/2987
dc.identifier.otherScopus: 48749085281
dc.identifier.urihttp://hdl.handle.net/2299/7263
dc.descriptionOriginal article can be found at: http://www.iop.org/EJ/journal/apjl Copyright American Astronomical Society. DOI: 10.1086/525524 [Full text of this article is not available in the UHRA]
dc.description.abstractWe present results of Hubble Space Telescope and Chandra X-Ray Observatory observations of globular clusters (GCs) and low-mass X-ray binaries (LMXBs) in the central regions of Centaurus A. Out of 440 GC candidates, we find 41 host X-ray point sources that are most likely LMXBs. We fit King models to our GC candidates in order to measure their structural parameters. We find that GCs that host LMXBs are denser and more compact and have higher encounter rates and concentrations than the GC population as a whole. We show that the higher concentrations and masses are a consequence of the dependence of LMXB incidence on central density and size plus the general trend for denser GCs to have higher masses and concentrations. We conclude that neither concentration nor mass is a fundamental variable in determining the presence of LMXBs in GCs and that the more fundamental parameters relate to central density and size.en
dc.language.isoeng
dc.relation.ispartofThe Astrophysical Journal
dc.titleLow-Mass X-ray Binaries and Globular Clusters in Centaurus Aen
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.contributor.institutionScience & Technology Research Institute
dc.contributor.institutionCentre for Astrophysics Research
dc.description.statusPeer reviewed
dc.relation.schoolSchool of Physics, Astronomy and Mathematics
dcterms.dateAccepted2007
rioxxterms.versionofrecordhttps://doi.org/10.1086/525524
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue


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