J/AJ/164/224ivo://CDS.VizieR/J/AJ/164/224doi:10.26093/cds/vizier.51640224CDSFekel F.C.Henry G.W.Sowell J.R.Partington E.R.Wedemeyer J.M.,Nakum A.2023-01-23T14:39:28Z2022-12-21T08:02:02ZCDS support team

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

cds-question@unistra.frspectroscopic-binary-starseclipsing-binary-starsvisible-astronomyspectroscopybroad-band-photometryradial-velocityWe have obtained high-dispersion spectroscopy and BV photometry of two F-type eclipsing binaries, HD71636 and V1022Cas, plus the A-type system OTAnd. Transiting Exoplanet Survey Satellite measurements for each system have also been incorporated. The photometry of HD71636 enables a more consistent picture of this 5.01331days, circular-orbit system to emerge. The F2 V primary has a mass of 1.506{+/-}0.002M{sun} and a radius of 1.583{+/-}0.024R{sun}. The mass of the F5 V secondary is 1.282{+/-}0.002M{sun}, and its radius is 1.314{+/-}0.030R{sun}. Comparison with evolutionary models of the Modules for Experiments in Stellar Astrophysics (MESA) series results in a good fit for a composition of [Fe/H]=0.12 and an age of 0.9Gyr. For the F6 V stars of V1022Cas, our analysis produces a period of 12.15616days and an eccentricity of 0.312. The two components have nearly equal masses of 1.626{+/-}0.001M{sun} and 1.607{+/-}0.001M{sun}. The radii of the primary and secondary are 2.570{+/-}0.021R{sun} and 2.445{+/-}0.022R{sun}, respectively. Comparison with the MESA evolutionary models results in [Fe/H]=0.08 and an age of 1.87Gyr. OTAnd consists of a pair of similar mid-A stars that have an orbital period of 20.85292days and an eccentricity of 0.215. The primary has a mass of 2.253{+/-}0.014M{sun} and a radius of 3.167{+/-}0.013R{sun}. The corresponding parameters for the secondary are 2.147{+/-}0.011M{sun} and 2.649{+/-}0.015R{sun}, respectively. The MESA series models produce a best fit for this system with [Fe/H]=0.10 and an age of 0.675Gyr. The total apsidal motion in both eccentric systems is less than 1.5{deg}/century.2022AJ....164..224Fhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/164/224CatalogResearchIsServedByTAP VizieR generic servicerelated-toI/259 : The Tycho-2 Catalogue (Hog+ 2000)V/64 : Eighth Orbital Elements of Spectroscopic Binaries (Batten+ 1989)V/117 : Geneva-Copenhagen Survey of Solar neighbourhood (Holmberg+, 2007)J/AJ/106/2096 : Limb-darkening coefficients in binaries (Van Hamme 1993)J/ApJ/469/355 : Teff, B-V and BC relation (Flower, 1996)J/AJ/129/2815 : Eleven new {gamma} Doradus variables (Henry+, 2005)J/AJ/132/2489 : Light curves of HD 71636 in B and V (Henry+, 2006)J/A+A/450/735 : Effective temperatures and radii of stars (Masana+, 2006)J/other/IBVS/5863 : 79th Name-List of Variable Stars (Kazarovets+, 2008)J/ApJS/180/117 : MK classifications of spectroscopic binaries (Abt, 2009)J/A+A/516/A42 : Spectral lines of BK Peg and BW Aqr (Clausen+, 2010)J/other/A+ARV/18.67 : Accurate masses and radii of normal stars (Torres+, 2010)J/ApJ/723/1469 : Flux calibrations and WZ Oph photometry (Wilson+, 2010)J/A+A/530/A138 : Geneva-Copenhagen survey re-analysis (Casagrande+, 2011)J/AJ/143/129 : Photometric and Spectroscopic obs. of BF Dra (Lacy+, 2012)J/AJ/145/111 : Radial velocities of 5 spectroscopic binaries (Fekel+, 2013)J/A+A/580/A23 : Stroemgren-Crawford uvby{beta} photometry (Paunzen, 2015)J/MNRAS/479/5491 : Absolute parameters of 509 main-sequence stars (Eker+, 2018)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/164/224https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/164/224http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/164/224https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/164/224https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/164/224http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/164/224GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/AJ/164/224/RVelCombined table from original tablesIDObject identifiermeta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHJDHeliocentric Julian date; JD-2400000dtime.epochdoublePhaseFractional phasetime.phasefloatRVel1Radial velocity of primarykm/sphys.veloc;pos.heliocentricfloat(O-C)1Velocity residual of primarykm/sstat.fit.residual;phys.velocfloatWeight1Weight of primary velocitystat.weightfloatRVel2Radial velocity of secondarykm/sphys.veloc;pos.heliocentricfloat(O-C)2Velocity residual of secondarykm/sstat.fit.residual;phys.velocfloatWeight2Weight of secondary velocitystat.weightfloatObsIDObservatory source (1)meta.id;instr.obstycharJ/AJ/164/224/photometryCombined table from original tablesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIDObject identifiermeta.id;meta.maincharHJDHeliocentric Julian date; JD-2400000dtime.epochdoublePhaseFractional phasetime.phasefloatDVmag? Delta V magnitudemagem.opt.V;phot.magfloatnullableDBmag? Delta B magnitudemagem.opt.B;phot.magfloatnullable