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High-frequency A-type pulsators discovered using SuperWASP

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dc.contributor.authorHoldsworth, Daniel L.
dc.contributor.authorSmalley, B.
dc.contributor.authorGillon, M.
dc.contributor.authorClubb, K. I.
dc.contributor.authorSouthworth, J.
dc.contributor.authorMaxted, P. F. L.
dc.contributor.authorAnderson, D. R.
dc.contributor.authorBarros, S. C. C.
dc.contributor.authorCameron, A. Collier
dc.contributor.authorDelrez, L.
dc.contributor.authorFaedi, F.
dc.contributor.authorHaswell, C. A.
dc.contributor.authorHellier, C.
dc.contributor.authorHorne, K.
dc.contributor.authorJehin, E.
dc.contributor.authorNorton, A. J.
dc.contributor.authorPollacco, D.
dc.contributor.authorSkillen, I.
dc.contributor.authorSmith, A. M. S.
dc.contributor.authorWest, R. G.
dc.contributor.authorWheatley, P. J.
dc.date.accessioned2014-09-09T09:31:04Z
dc.date.available2014-09-09T09:31:04Z
dc.date.issued2014-04-01
dc.identifier135031224
dc.identifier26e2f763-916c-49a9-aa65-1fdcbee8072e
dc.identifier000334114000055
dc.identifier84897071791
dc.identifier000334114000055
dc.identifier.citationHoldsworth , D L , Smalley , B , Gillon , M , Clubb , K I , Southworth , J , Maxted , P F L , Anderson , D R , Barros , S C C , Cameron , A C , Delrez , L , Faedi , F , Haswell , C A , Hellier , C , Horne , K , Jehin , E , Norton , A J , Pollacco , D , Skillen , I , Smith , A M S , West , R G & Wheatley , P J 2014 , ' High-frequency A-type pulsators discovered using SuperWASP ' , Monthly Notices of the Royal Astronomical Society , vol. 439 , no. 2 , pp. 2078-2095 . https://doi.org/10.1093/mnras/stu094en
dc.identifier.issn0035-8711
dc.identifier.otherORCID: /0000-0002-8863-7828/work/58531335
dc.identifier.urihttps://hdl.handle.net/10023/5384
dc.description.abstractWe present the results of a survey using the WASP archive to search for high-frequency pulsations in F-, A- and B-type stars. Over 1.5 million targets have been searched for pulsations with amplitudes greater than 0.5 millimagnitude. We identify over 350 stars which pulsate with periods less than 30 min. Spectroscopic follow-up of selected targets has enabled us to confirm 10 new rapidly oscillating Ap stars, 13 pulsating Am stars and the fastest known δ Scuti star. We also observe stars which show pulsations in both the high-frequency domain and the low-frequency δ Scuti range. This work shows the power of the WASP photometric survey to find variable stars with amplitudes well below the nominal photometric precision per observation.
dc.format.extent18
dc.format.extent6151060
dc.language.isoeng
dc.relation.ispartofMonthly Notices of the Royal Astronomical Societyen
dc.subjectAsteroseismologyen
dc.subjectTechniques: photometricen
dc.subjectSurveysen
dc.subjectStars: chemically peculiaren
dc.subjectStars: oscillationsen
dc.subjectSstars: variables: δ Scutien
dc.subjectRapidly oscillating APen
dc.subjectDelta-scutien
dc.subjectROAP starsen
dc.subjectKepler observationsen
dc.subjectAtmospheric parametersen
dc.subjectPlanet-detectionen
dc.subjectRadial-velocityen
dc.subjectMetallic-lineen
dc.subjectSky surveyen
dc.subjectCatalogen
dc.subjectQB Astronomyen
dc.subjectQC Physicsen
dc.subject.lccQBen
dc.subject.lccQCen
dc.titleHigh-frequency A-type pulsators discovered using SuperWASPen
dc.typeJournal articleen
dc.contributor.sponsorScience & Technology Facilities Councilen
dc.contributor.sponsorScience & Technology Facilities Councilen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.identifier.doi10.1093/mnras/stu094
dc.description.statusPeer revieweden
dc.identifier.urlhttp://mnras.oxfordjournals.org/content/439/2/2078/suppl/DC1en
dc.identifier.grantnumberST/J001651/1en
dc.identifier.grantnumberPP/F000065/1en


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