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SuperWASP-N Extra-solar Planet Candidates from Fields 06hr RA 16hr

a r X i v :0711.2581v 1 [a s t r o -p h ] 16 N o v 2007Mon.Not.R.Astron.Soc.000,000–000(0000)Printed 2February 2008(MN L A T E X style file v2.2)

SuperW ASP-N Extra-solar Planet Candidates from Fields 06hr

S.R.Kane 1,2,W.I.Clarkson 4,9,R.G.West 8,D.M.Wilson 5,D.J.Christian 3,A.Collier Cameron 1,B.Enoch 4,T.A.Lister 1,5,11,R.A.Street 3,11,A.Evans 5,A.Fitzsimmons 3,C.A.Haswell 4,C.Hellier 5,S.T.Hodgkin 6,K.Horne 1,J.Irwin 6,F.P.Keenan 3,A.J.Norton 4,J.Osborne 8,N.R.Parley 4,D.L.Pollacco 3,R.Ryans 3,I.Skillen 7,P.J.Wheatley 101School of Physics &Astronomy,University of St Andrews,North Haugh,St Andrews,Fife KY169SS,UK 2Department of Astronomy,University of Florida,211Bryant Space Science Center,Gainesville,FL 32611-2055,USA 3School of Mathematics and Physics,Queen’s University,Belfast,University Road,Belfast,BT71NN,UK 4Department of Physics &Astronomy,The Open University,Milton Keynes MK76AA,UK 5Astrophysics Group,School of Chemistry &Physics,Keele University,Staffordshire ST55BG,UK 6Institute of Astronomy,University of Cambridge,Madingley Road,Cambridge CB30HA,UK 7Isaac Newton Group of Telescopes,Apartado de correos 321,E-38700Santa Cruz de la Palma,Tenerife,Spain 8Department of Physics &Astronomy,University of Leicester,Leicester LE17RH,UK 9Space Telescope Science Institute,3700San Martin Drive,Baltimore,MD 21218,USA 10Department of Physics,University of Warwick,Coventry CV47AL,UK 11Las Cumbres Observatory Global Telescope,Goleta,CA 93117,USA 2February 2008ABSTRACT The Wide Angle Search for Planets (WASP)survey currently operates two instal-lations,designated SuperWASP-N and SuperWASP-S,located in the northern and southern hemispheres respectively.These installations are designed to provide high time-resolution photometry for the purpose of detecting transiting extra-solar plan-ets,asteroids,and transient events.Here we present results from a transit-hunting observing campaign using SuperWASP-N covering a right ascension range of 06hr

Key words:methods:data analysis –planetary systems –stars:variables:other

1INTRODUCTION

More than 30extra-solar planets are now known to

transit their parent stars,most of which were discov-

ered through photometric monitoring.Transit surveys

which use a narrow-field and a large magnitude depth

have had some success;most notably that of the OGLE

transiting planets (e.g.,Konacki et al.(2003)).Surveys

which utilise the “wide and shallow”technique of mon-

itoring relatively bright field stars have achieved re-

cent rapid success,including the discoveries of TrES-3(O’Donovan et al.2007),XO-2b (Burke et al.2007),and several new HATNet planets (Kov´a cs et al.(2007)for ex-ample).The transit technique has matured through over-coming serious obstacles which were impeding the data analysis,such as improved optimal photometric methods for wide-field detectors (Hartman et al.2004)and reduc-tion of correlated (red)noise (Pont,Zucker,&Queloz 2006;Tamuz,Mazeh,&Zucker 2005).The Wide Angle Search for Planets (WASP)project currently operates two SuperWASP instruments (Pollacco et al.2006),one in the northern hemisphere on

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