J/AJ/163/101ivo://CDS.VizieR/J/AJ/163/101doi:10.26093/cds/vizier.51630101CDSLubin J.Van Zandt J.Holcomb R.Weiss L.M.Petigura E.A.,Robertson P.Murphy J.M.A.Scarsdale N.Batygin K.Polanski A.S.,Batalha N.M.Crossfield I.J.M.Dressing C.Fulton B.Howard A.W.,Huber D.Isaacson H.Kane S.R.Roy A.Beard C.Blunt S.Chontos A.,Dai F.Dalba P.A.Gary K.Giacalone S.Hill M.L.Mayo A.Mocnik T.,Kosiarek M.R.Rice M.Rubenzahl R.A.Latham D.W.Seager S.Winn J.N.,Gary K.2025-05-05T20:07:41Z2022-05-05T09:51:34ZCDS support team

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

cds-question@unistra.frexoplanetsg-starsvisible-astronomyspectroscopyradial-velocityExoplanet systems with multiple transiting planets are natural laboratories for testing planetary astrophysics. One such system is HD191939 (TOI1339), a bright (V=9) and Sun-like (G9V) star, which TESS found to host three transiting planets (b, c, and d). The planets have periods of 9, 29, and 38days each with similar sizes from 3 to 3.4R{Earth}. To further characterize the system, we measured the radial velocity (RV) of HD191939 over 415days with Keck/HIRES and APF/Levy. We find that M_b_=10.4{+/-}0.9M{Earth} and M_c_=7.2{+/-}1.4M{Earth}, which are low compared to most known planets of comparable radii. The RVs yield only an upper limit on M_d_ (<5.8M{Earth} at 2{sigma}). The RVs further reveal a fourth planet (e) with a minimum mass of 0.34{+/-}0.01M_Jup_ and an orbital period of 101.4{+/-}0.4days. Despite its nontransiting geometry, secular interactions between planet e and the inner transiting planets indicate that planet e is coplanar with the transiting planets ({Delta}i<10{deg}). We identify a second high-mass planet (f) with 95% confidence intervals on mass between 2 and 11M_Jup_ and period between 1700 and 7200 days, based on a joint analysis of RVs and astrometry from Gaia and Hipparcos. As a bright star hosting multiple planets with well-measured masses, HD191939 presents many options for comparative planetary astronomy, including characterization with JWST.2022AJ....163..101Lhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/163/101CatalogResearchIsServedByTAP VizieR generic servicerelated-toI/345 : Gaia DR2 (Gaia Collaboration, 2018)J/A+A/550/A53 : Public code ARoME for modeling the RM effect (Boue+, 2013)J/ApJ/770/69 : Kepler planet candidates radii (Petigura+, 2013)J/ApJS/208/9 : Intrinsic colors and temperatures of PMS stars (Pecaut+, 2013)J/ApJ/785/15 : Transit times Kepler-79's known planets (Jontof-Hutter+, 2014)J/AJ/154/107 : California-Kepler Survey (CKS). I. 1305 stars (Petigura+, 2017)J/AJ/154/109 : California-Kepler Survey. III. Planet radii (Fulton+, 2017)J/ApJ/844/102 : KICstar parallaxes from asteroseismology vs Gaia (Huber+, 2017)J/AJ/155/48 : California-Kepler Survey. V. Masses and radii (Weiss+, 2018)J/AJ/156/102 : The TESS Input Catalog & Candidate Target List (Stassun+, 2018)J/AJ/156/264 : California-Kepler Survey.VII. Planet radius gap (Fulton+, 2018)J/AJ/157/52 : Radial velocity obs. in super-Earth systems (Bryan+, 2019)J/AJ/157/145 : HIRES RVs of three compact, multiplanet systems (Mills+, 2019)J/A+A/640/A81 : Abundances of 72 solar-type stars (Nissen+, 2020)J/AJ/159/241 : TESS-Keck Survey. I. HD332231 Radial Velocities (Dalba+, 2020)J/AJ/159/280 : Gaia-Kepler stellar prop. catalog.I. KIC stars (Berger+, 2020)J/AJ/159/281 : Characteristics of 335 KOI stars (Gilbert+, 2020)J/ApJ/898/119 : Archival Keck HIRES spectra analyzed with Cannon (Rice+, 2020)J/A+A/649/A26 : TOI-178 six transiting planets (Leleu+, 2021)J/AJ/161/56 : The TESS-Keck Survey. II. RVs of TOI-561 (Weiss+, 2021)J/AJ/161/70 : Rvel for WASP-107 with HIRES & CORALIE (Piaulet+, 2021)J/AJ/161/119 : The TESS-Keck survey. IV. Rvel for WASP-107 (Rubenzahl+, 2021)J/AJ/162/89 : HIRES radial velocity follow up for Kepler-129 (Zhang+, 2021)J/AJ/162/215 : TESS-Keck survey.V. Rvel of HD63935 (Scarsdale+, 2021)J/ApJS/254/42 : Hipparcos-Gaia (EDR3) Catalog of Accelerations (Brandt, 2021)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/163/101https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/163/101http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/163/101https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/163/101https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/163/101http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/163/101GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/AJ/163/101/table2Radial velocity time serierecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBJD[2458795/2459254] Barycentric Julian Datedtime.epochdoubleRVel[-59.4/32.6] Radial velocitym/sphys.veloc;pos.heliocentricfloate_RVel[0.9/9] Error on RVelm/sstat.error;spect.dopplerVelocfloatS-Index[0.04/0.26] S Index valuemeta.code.multipfloate_S-Index[0.001/0.002] Error on S-Indexstat.errorfloatInstInstrument used; APF or HIRESinstr.setupchar