J/ApJ/734/109ivo://CDS.VizieR/J/ApJ/734/109doi:10.26093/cds/vizier.17340109CDSBeky B.Bakos G.A.Hartman J.Torres G.Latham D.W.Jordan A.,Arriagada P.Bayliss D.Kiss L.L.Kovacs G.Quinn S.N.Marcy G.W.,Howard A.W.Fischer D.A.Johnson J.A.Esquerdo G.A.Noyes R.W.,Buchhave L.A.Sasselov D.D.Stefanik R.P.Perumpilly G.Lazar J.,Papp I.Sari P.2017-07-04T07:08:44Z2013-01-15T15:31:53ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frvisible-astronomysloan-photometrysolar-system-planetsmultiple-starsg-starsWe report the discovery of HAT-P-27b, an exoplanet transiting the moderately bright G8 dwarf star GSC 0333-00351 (V=12.214). The orbital period is 3.039586+/-0.000012 days, the reference epoch of transit is 2455186.01879+/-0.00054 (BJD), and the transit duration is 0.0705+/-0.0019 days. The host star with its effective temperature 5300+/-90K is somewhat cooler than the Sun and is more metal-rich with a metallicity of +0.29+/-0.10. Its mass is 0.94+/-0.04M_{sun}_ and radius is 0.90^+0.05^_-0.04_R_{sun}_. For the planetary companion we determine a mass of 0.660+/-0.033M_J_ and radius of 1.038^+0.077^_-0.058_R_J_. For the 30 known transiting exoplanets between 0.3M_J_ and 0.8M_J_, a negative correlation between host star metallicity and planetary radius and an additional dependence of planetary radius on equilibrium temperature are confirmed at a high level of statistical significance.2011ApJ...734..109Bhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/734/109CatalogResearchIsServedByTAP VizieR generic servicerelated-toJ/MNRAS/422/2024 : X-ray-age relation & exoplanet evaporation (Jackson+, 2012)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/734/109https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/734/109http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/734/109https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/734/109https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/734/109http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/734/109GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/ApJ/734/109/table3High-precision differential photometry of HAT-P-27recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBJDBarycentric Julian Date (UTC); (BJD-2400000)dtime.epochdoublemagCorrected magnitude in Filt (1)magphot.mag;em.opt.Idoublee_magThe 1{sigma} uncertainty in magmagstat.error;phot.magdoubleOmagOriginal, raw magnitude in Filt (2)magphot.mag;em.opt.IdoubleFilt[i] Filter used in the observation (i filter)instr.setup;obschar