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Rossiter-McLaughlin Observations of 55 Cnc e

dc.contributor.authorLOPEZ-MORALES, Mercedes
dc.contributor.authorTRIAUD, Amaury H. M. J.
dc.contributor.authorRODLER, Florian
dc.contributor.authorDUMUSQUE, Xavier
dc.contributor.authorBUCHHAVE, Lars A.
dc.contributor.authorHARUTYUNYAN, A.
dc.contributor.authorHOYER, Sergio
dc.contributor.authorALONSO, Roi
dc.contributor.authorGILLON, Michael
hal.structure.identifierDepartment of Astronomy
dc.contributor.authorKAIB, Nathan A.
dc.contributor.authorLATHAM, David W.
dc.contributor.authorLOVIS, Christophe
dc.contributor.authorPEPE, Francesco
hal.structure.identifierObservatoire Astronomique de l'Université de Genève [ObsGE]
dc.contributor.authorQUELOZ, Didier
hal.structure.identifierECLIPSE 2014
dc.contributor.authorRAYMOND, Sean N.
hal.structure.identifierObservatoire Astronomique de l'Université de Genève [ObsGE]
dc.contributor.authorSEGRANSAN, Damien
dc.contributor.authorWALDMANN, Ingo P.
hal.structure.identifierObservatoire Astronomique de l'Université de Genève [ObsGE]
dc.contributor.authorUDRY, Stephane
dc.date.created2014
dc.date.issued2014
dc.identifier.issn2041-8205
dc.description.abstractEnWe present Rossiter-McLaughlin observations of the transiting super-Earth 55 Cnc e collected during six transit events between January 2012 and November 2013 with HARPS and HARPS-N. We detect no radial-velocity signal above 35 cm/s (3-sigma) and confine the stellar v sin i to 0.2 +/- 0.5 km/s. The star appears to be a very slow rotator, producing a very low amplitude Rossiter-McLaughlin effect. Given such a low amplitude, the Rossiter-McLaughlin effect of 55 Cnc e is undetected in our data, and any spin-orbit angle of the system remains possible. We also performed Doppler tomography and reach a similar conclusion. Our results offer a glimpse of the capacity of future instrumentation to study low amplitude Rossiter-McLaughlin effects produced by super-Earths.
dc.language.isoen
dc.publisherBristol : IOP Publishing
dc.title.enRossiter-McLaughlin Observations of 55 Cnc e
dc.typeArticle de revue
dc.identifier.doi10.1088/2041-8205/792/2/L31
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP]
dc.identifier.arxiv1408.2007
bordeaux.journalThe Astrophysical journal letters
bordeaux.pageid. L31
bordeaux.volume792
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-01062137
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01062137v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=The%20Astrophysical%20journal%20letters&rft.date=2014&rft.volume=792&rft.issue=2&rft.spage=id.%20L31&rft.epage=id.%20L31&rft.eissn=2041-8205&rft.issn=2041-8205&rft.au=LOPEZ-MORALES,%20Mercedes&TRIAUD,%20Amaury%20H.%20M.%20J.&RODLER,%20Florian&DUMUSQUE,%20Xavier&BUCHHAVE,%20Lars%20A.&rft.genre=article


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