Show simple item record

dc.creatorChaplin, W. J.en_US
dc.creatorSanchis-Ojeda, R.en_US
dc.creatorCampante, T. L.en_US
dc.creatorHandberg, R.en_US
dc.creatorStello, D.en_US
dc.creatorWinn, Joshua N.en_US
dc.creatorBasu, S.en_US
dc.creatorChristensen-Dalsgaard, J.en_US
dc.creatorDavies, G. R.en_US
dc.creatorMetcalfe, T. S.en_US
dc.creatorBuchhave, Lars A.en_US
dc.creatorFischer, Debra A.en_US
dc.creatorBedding, T. R.en_US
dc.creatorCochran, William D.en_US
dc.creatorElsworth, Y.en_US
dc.creatorGilliland, R. L.en_US
dc.creatorHekker, S.en_US
dc.creatorHuber, Danielen_US
dc.creatorIsaacson, Howarden_US
dc.creatorKaroff, C.en_US
dc.creatorKawaler, Steven D.en_US
dc.creatorKjeldsen, H.en_US
dc.creatorLatham, D. W.en_US
dc.creatorLund, M. N.en_US
dc.creatorLundkvist, M.en_US
dc.creatorMarcy, Geoffrey W.en_US
dc.creatorMiglio, A.en_US
dc.creatorBarclay, Thomasen_US
dc.creatorLissauer, J. J.en_US
dc.date.accessioned2016-04-28T22:21:52Z
dc.date.available2016-04-28T22:21:52Z
dc.date.issued2013-04en
dc.identifierdoi:10.15781/T2R82D
dc.identifier.citationChaplin, W. J., R. Sanchis-Ojeda, T. L. Campante, R. Handberg, D. Stello, J. N. Winn, S. Basu et al. "Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65." The Astrophysical Journal, Vol. 766, No. 2 (Apr., 2013): 101.en_US
dc.identifier.issn0004-637Xen_US
dc.identifier.urihttp://hdl.handle.net/2152/35200
dc.description.abstractResults on the obliquity of exoplanet host stars-the angle between the stellar spin axis and the planetary orbital axis-provide important diagnostic information for theories describing planetary formation. Here we present the first application of asteroseismology to the problem of stellar obliquity determination in systems with transiting planets and Sun-like host stars. We consider two systems observed by the NASA Kepler mission which have multiple transiting small (super-Earth sized) planets: the previously reported Kepler-50 and a new system, Kepler-65, whose planets we validate in this paper. Both stars show rich spectra of solar-like oscillations. From the asteroseismic analysis we find that each host has its rotation axis nearly perpendicular to the line of sight with the sines of the angles constrained at the 1 sigma level to lie above 0.97 and 0.91, respectively. We use statistical arguments to show that coplanar orbits are favored in both systems, and that the orientations of the planetary orbits and the stellar rotation axis are correlated.en_US
dc.description.sponsorshipNASA's Science Mission Directorateen_US
dc.description.sponsorshipUK Science and Technology Facilities Council (STFC)en_US
dc.description.sponsorshipNASA Kepler Participating Scientist program NNX12AC76Gen_US
dc.description.sponsorshipNSF AST 1105930en_US
dc.description.sponsorshipDanish National Research Foundationen_US
dc.description.sponsorshipASTERISK project (ASTERoseismic Investigations with SONG and Kepler)en_US
dc.description.sponsorshipEuropean Research Council 267864en_US
dc.description.sponsorshipNetherlands Organisation for Scientific Research (NWO)en_US
dc.description.sponsorshipInternational Space Science Institute (ISSI)en_US
dc.language.isoEnglishen_US
dc.relation.ispartofen_US
dc.rightsAdministrative deposit of works to Texas ScholarWorks: This works author(s) is or was a University faculty member, student or staff member; this article is already available through open access or the publisher allows a PDF version of the article to be freely posted online. The library makes the deposit as a matter of fair use (for scholarly, educational, and research purposes), and to preserve the work and further secure public access to the works of the University.en_US
dc.subjectasteroseismologyen_US
dc.subjectplanets and satellites: formationen_US
dc.subjectplanets anden_US
dc.subjectsatellites: generalen_US
dc.subjectstars: rotationen_US
dc.subjectspin-orbit misalignmenten_US
dc.subjectsolar-type starsen_US
dc.subjecttransit timing observationsen_US
dc.subjectrapidly rotating starsen_US
dc.subjectof-Statetablesen_US
dc.subjectsun-like staren_US
dc.subjectplaneten_US
dc.subjectcandidatesen_US
dc.subjectlight curvesen_US
dc.subjectphotometric variabilityen_US
dc.subjectinitialen_US
dc.subjectcharacteristicsen_US
dc.subjectastronomy & astrophysicsen_US
dc.titleAsteroseismic Determination Of Obliquities Of The Exoplanet Systems Kepler-50 And Kepler-65en_US
dc.typeArticleen_US
dc.description.departmentMcDonald Observatoryen_US
dc.identifier.Filename2013_04_kepler50and65.pdfen_US
dc.rights.restrictionOpenen_US
dc.identifier.doi10.1088/0004-637x/766/2/101en_US
dc.contributor.utaustinauthorCochran, William D.en_US
dc.relation.ispartofserialAstrophysical Journalen_US


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record