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dc.contributor.authorXiang, Y.
dc.contributor.authorGu, S.
dc.contributor.authorCollier Cameron, A.
dc.contributor.authorBarnes, J.R.
dc.identifier.citationXiang , Y , Gu , S , Collier Cameron , A & Barnes , J R 2015 , ' Doppler images of the eclipsing binary ER Vulpeculae ' , Monthly Notices of the Royal Astronomical Society , vol. 447 , no. 1 , pp. 567-576 .
dc.identifier.otherPURE: 172298358
dc.identifier.otherPURE UUID: a9e8afbf-1f2d-49b4-8134-eaebfd79c275
dc.identifier.otherScopus: 84922419238
dc.identifier.otherORCID: /0000-0002-8863-7828/work/58531393
dc.identifier.otherWOS: 000350272700046
dc.description.abstractWe present Doppler images of both components of the eclipsing binary system ER Vul, based on the spectra obtained in 2004 November, 2006 September and 2008 November. The least-squares deconvolution technique is used for enhancing the signal-to-noise ratios of the observed profiles. The new surface images reveal that both stars of ER Vul show strong starspot activities and the starspots appear at various latitudes. The surface maps of 2006 and 2008 both show the presence of large high-latitude starspots on each component of ER Vul. We find no obvious phase shift of the active regions during our observations. The longitude distributions of starspots are non-uniform on both stars. At low-to-mid latitudes, the active regions are almost exclusively found in the hemisphere facing the other star. However, we find no pronounced concentration of spots at the sub-stellar points.
dc.relation.ispartofMonthly Notices of the Royal Astronomical Societyen
dc.rightsThis article has been accepted for publication in Monthly Notices of the Royal Astronomical Society © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Societyen
dc.subjectStars: activityen
dc.subjectBinaries: eclipsingen
dc.subjectStars: imagingen
dc.subjectStars: individual: ER Vulpeculaeen
dc.subjectQB Astronomyen
dc.subjectQC Physicsen
dc.titleDoppler images of the eclipsing binary ER Vulpeculaeen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.description.statusPeer revieweden

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