J/AJ/160/96ivo://CDS.VizieR/J/AJ/160/96doi:10.26093/cds/vizier.51600096CDSTeske J.Diaz M.R.Luque R.Mocnik T.Seidel J.V.Otegi J.F.Feng F.,Jenkins J.S.Palle E.Segransan D.Udry S.Collins K.A.Eastman J.D.,Ricker G.R.Vanderspek R.Latham D.W.Seager S.Winn J.N.Jenkins J.M.,Anderson D.R.Barclay T.Bouchy F.Burt J.A.Butler R.P.Caldwell D.A.,Collins K.I.Crane J.D.Dorn C.Flowers E.Haldemann J.Helled R.,Hellier C.Jensen E.L.N.Kane S.R.Law N.Lissauer J.J.Mann A.W.,Marmier M.Nielsen L.D.Rose M.E.Shectman S.A.Shporer A.Torres G.,Wang S.X.Wolfgang A.Wong I.Ziegler C.2021-09-22T07:30:41Z2020-11-05T09:34:48ZCDS support team

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

cds-question@unistra.frexoplanetsg-starsvisible-astronomyspectroscopyradial-velocityThe Transiting Exoplanet Survey Satellite (TESS) mission was designed to find transiting planets around bright, nearby stars. Here, we present the detection and mass measurement of a small, short-period (~4days) transiting planet around the bright (V=7.9), solar-type star HD86226 (TOI-652, TIC22221375), previously known to host a long-period (~1600days) giant planet. HD86226c (TOI-652.01) has a radius of 2.16{+/-}0.08R_{Earth}_ and a mass of 7.25_-1.12_^+1.19^M_{Earth}_, based on archival and new radial velocity data. We also update the parameters of the longer-period, not-known-to-transit planet, and find it to be less eccentric and less massive than previously reported. The density of the transiting planet is 3.97g/cm^3^, which is low enough to suggest that the planet has at least a small volatile envelope, but the mass fractions of rock, iron, and water are not well- constrained. Given the host star brightness, planet period, and location of the planet near both the "radius gap" and the "hot Neptune desert," HD86226c is an interesting candidate for transmission spectroscopy to further refine its composition.2020AJ....160...96Thttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/160/96CatalogResearchIsServedByTAP VizieR generic servicerelated-toI/259 : The Tycho-2 Catalogue (Hog+ 2000)I/311 : Hipparcos, the New Reduction (van Leeuwen, 2007)I/345 : Gaia DR2 (Gaia Collaboration, 2018)V/117 : Geneva-Copenhagen Survey of Solar neighbourhood (Holmberg+, 2007)V/130 : Geneva-Copenhagen Survey of Solar neighbourhood III (Holmberg+, 2009)J/ApJS/152/261 : Chromospheric Ca II emission in nearby stars (Wright+, 2004)J/A+A/495/959 : Radial velocity curve of HD 189733 (Boisse+, 2009)J/ApJ/710/1724 : Follow-up photometry for HAT-P-11 (Bakos+, 2010)J/ApJ/715/1050 : Predicted abundances for extrasolar planets. I. (Bond+, 2010)J/ApJ/734/70 : Chromospheric activity of Southern stars (Arriagada, 2011)J/A+A/530/A138 : Geneva-Copenhagen survey re-analysis (Casagrande+, 2011)J/A+A/546/A27 : Radial velocity and photometry for GJ3470 (Bonfils+, 2012)J/ApJ/760/44 : Predicted terrestrial planet abundances (Carter-Bond+, 2012)J/ApJS/208/9 : Intrinsic colors and temperatures of PMS stars (Pecaut+, 2013)J/A+A/556/A150 : SWEETCat I. Stellar parameters for host stars (Santos+, 2013)J/A+A/564/A125 : AGN Torus model comparison of AGN in the CDFS (Buchner+, 2014)J/ApJS/211/24 : Rotation periods of Kepler MS stars (McQuillan+, 2014)J/ApJ/788/48 : X-ray through NIR photometry of NGC 2617 (Shappee+, 2014)J/A+A/574/A124 : Spectroscopy of solar twins and analogues (Datson+, 2015)J/ApJ/825/19 : Mass-radius relation. for planets with Rp<4 (Wolfgang+, 2016)J/AJ/154/109 : California-Kepler Survey. III. Planet radii (Fulton+, 2017)J/AJ/156/264 : CKS. VII. Planet radius gap (Fulton+, 2018)J/A+A/619/L10 : pi Men radial velocity curves (Gandolfi+, 2018)J/AJ/157/52 : Radial velocity obs. in super-Earth systems (Bryan+, 2019)J/A+A/628/A9 : MASCARA-2b transmission spectra (Casasayas-Barris+, 2019)J/A+A/627/A43 : Two super-Earths orbiting TOI-402 (Dumusque+, 2019)J/A+A/628/A39 : Radial velocities of GJ 357 (Luque+, 2019)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/160/96https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/160/96http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/160/96https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/160/96https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/160/96http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/160/96GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/AJ/160/96/rvCombined table from original tablesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBJDBarycentric corrected time; BJD-2450000 (1)dtime.epochdoubleRVelRadial Velocitym/sphys.veloc;pos.heliocentricdoublee_RVelVelocity errorm/sstat.error;spect.dopplerVelocdoubleHa-index? Halpha activity indexspect.indexdoublenullableS-index? Ca H&K activity indexspect.indexfloatnullableInstInstrument used (2)instr.setupchar