Kepler Observations of Transiting Hot Compact Objects

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dc.contributor.utaustinauthorCochran, William D.en_US
dc.creatorRowe, Jason F.en_US
dc.creatorBorucki, William J.en_US
dc.creatorKoch, Daviden_US
dc.creatorHowell, Steve B.en_US
dc.creatorBasri, Giboren_US
dc.creatorBatalha, Natalieen_US
dc.creatorBrown, Timothy M.en_US
dc.creatorCaldwell, Douglasen_US
dc.creatorCochran, William D.en_US
dc.creatorDunham, Edwarden_US
dc.creatorDupree, Andrea K.en_US
dc.creatorFortney, Jonathan J.en_US
dc.creatorGautier, Thomas N., IIIen_US
dc.creatorGilliland, Ronald L.en_US
dc.creatorJenkins, Jonen_US
dc.creatorLatham, David W.en_US
dc.creatorLissauer, Jack J.en_US
dc.creatorMarcy, Geoffen_US
dc.creatorMonet, David G.en_US
dc.creatorSasselov, Dimitaren_US
dc.creatorWelsh, William F.en_US
dc.date.accessioned2016-10-28T19:34:30Z
dc.date.available2016-10-28T19:34:30Z
dc.date.issued2010-04en_US
dc.description.abstractKepler photometry has revealed two unusual transiting companions: one orbiting an early A-star and the other orbiting a late B-star. In both cases, the occultation of the companion is deeper than the transit. The occultation and transit with follow-up optical spectroscopy reveal a 9400 K early A-star, KOI-74 (KIC 6889235), with a companion in a 5.2 day orbit with a radius of 0.08R(circle dot) and a 10,000 K late B-star KOI-81 (KIC 8823868) that has a companion in a 24 day orbit with a radius of 0.2R(circle dot). We infer a temperature of 12,250 K for KOI-74b and 13,500 K for KOI-81b. We present 43 days of high duty cycle, 30 minute cadence photometry, with models demonstrating the intriguing properties of these objects, and speculate on their nature.en_US
dc.description.departmentMcDonald Observatoryen_US
dc.description.sponsorshipNASA's Science Mission Directorateen_US
dc.identifierdoi:10.15781/T22F7JT63
dc.identifier.citationRowe, Jason F., William J. Borucki, David Koch, Steve B. Howell, Gibor Basri, Natalie Batalha, Timothy M. Brown et al. "Kepler observations of transiting hot compact objects." The Astrophysical Journal Letters, Vol. 713, No. 2 (Apr., 2010): L150.en_US
dc.identifier.doi10.1088/2041-8205/713/2/l150en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://hdl.handle.net/2152/42928
dc.language.isoEnglishen_US
dc.relation.ispartofen_US
dc.relation.ispartofserialAstrophysical Journal Lettersen_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.rights.restrictionOpenen_US
dc.subjectstars: individual (koi-74, kic 6889235, koi-81, kic 8823868)en_US
dc.subjectwhite-dwarf companionen_US
dc.subjectmass-radius relationen_US
dc.subjectoscillationsen_US
dc.subjectheliumen_US
dc.subjectstarsen_US
dc.subjectastronomy & astrophysicsen_US
dc.titleKepler Observations of Transiting Hot Compact Objectsen_US
dc.typeArticleen_US

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