Ground- and space-based study of two globular cluster cataclysmic variables: M22 CV1 and M5 V101

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dc.contributor.authorHourihane, Anna
dc.contributor.authorCallanan, Paul J.
dc.contributor.authorCool, A. M.
dc.contributor.authorReynolds, M. T.
dc.date.accessioned2017-11-07T09:38:55Z
dc.date.available2017-11-07T09:38:55Z
dc.date.issued2011
dc.description.abstractAs a class of compact binaries with large binding energy, cataclysmic variables (CVs) formed through close encounters play an important role in the dynamical evolution of globular clusters. As part of a systematic search for CVs undergoing dwarf nova (DN) eruptions in globular clusters, our 2004 monitoring programme of M22 detected an outburst of the DN candidate CV1 during May. We implement the ISIS image subtraction routine to obtain a light curve for an outburst of CV1. We present the outburst light curve as well as Hubble Space Telescope/Wide-Field Planetary Camera 2 (WFPC2) photometry in the V, U and near-ultraviolet (nUV) bands and a Chandra/Advanced CCD Imaging Spectrometer (ACIS) spectrum of the object. Our results confirm the DN nature of the outburst and the CV status of the object. We also present the results of a ground-based study of another globular cluster CV, M5 V101 - including quiescent medium-resolution William Herschel Telescope (WHT)/Intermediate dispersion Spectrograph and Imaging System (ISIS) spectroscopy in the B and R bands, displaying prominent Balmer and He I emission, and R-band photometry.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHourihane, A. P., Callanan, P. J., Cool, A. M. and Reynolds, M. T. (2011) 'Ground- and space-based study of two globular cluster cataclysmic variables: M22 CV1 and M5 V101', Monthly Notices of the Royal Astronomical Society, 414(1), pp. 184-194. doi: 10.1111/j.1365-2966.2011.18364.xen
dc.identifier.doi10.1111/j.1365-2966.2011.18364.x
dc.identifier.endpage194
dc.identifier.issn0035-8711
dc.identifier.issued1
dc.identifier.journaltitleMonthly Notices of the Royal Astronomical Societyen
dc.identifier.startpage184
dc.identifier.urihttps://hdl.handle.net/10468/4964
dc.identifier.volume414
dc.language.isoenen
dc.publisherOxford University Pressen
dc.relation.urihttps://academic.oup.com/mnras/article-lookup/doi/10.1111/j.1365-2966.2011.18364.x
dc.rights© 2011, the Authors. Monthly Notices of the Royal Astronomical Society © 2011, RASen
dc.subjectTechniquesen
dc.subjectPhotometricen
dc.subjectStarsen
dc.subjectDwarf novaeen
dc.subjectX-raysen
dc.subjectBinariesen
dc.titleGround- and space-based study of two globular cluster cataclysmic variables: M22 CV1 and M5 V101en
dc.typeArticle (peer-reviewed)en
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