J/ApJ/915/19ivo://CDS.VizieR/J/ApJ/915/19doi:10.26093/cds/vizier.19150019CDSGodoy-Rivera D.Tayar J.Pinsonneault M.H.Rodriguez Martinez R.,Stassun K.G.Van Saders J.L.Beaton R.L.Garcia-Hernandez D.A.,Teske J.K.2023-08-16T15:47:33Z2022-02-02T07:43:14ZCDS support team

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

cds-question@unistra.frgiant-starseffective-temperatureextinctionhertzsprung-russell-diagramstellar-agesstellar-massesvisible-astronomyinfrared-photometryultraviolet-astronomyGiven their location on the Hertzsprung-Russell (H-R) diagram, thoroughly characterized subgiant stars can place stringent constraints on a wide range of astrophysical problems. Accordingly, they are prime asteroseismic targets for the Transiting Exoplanet Survey Satellite (TESS) mission. In this work, we infer stellar properties for a sample of 347 subgiants located in the TESS Continuous Viewing Zones, which we select based on their likelihood of showing asteroseismic oscillations. We investigate how well they can be characterized using classical constraints (photometry, astrometry) and validate our results using spectroscopic values. We derive luminosities, effective temperatures, and radii with mean 1{sigma} random (systematic) uncertainties of 4.5% (2%), 33K (60K), and 2.2% (2%), as well as more model-dependent quantities such as surface gravities, masses, and ages. We use our sample to demonstrate that subgiants are ideal targets for mass and age determination based on H-R diagram location alone, discuss the advantages of stellar parameters derived from a detailed characterization over widely available catalogs, show that the generally used 3D extinction maps tend to overestimate the extinction for nearby stars (distance <=500pc), and find a correlation that supports the rotation-activity connection in post-main-sequence stars. The complementary roles played by classical and asteroseismic data sets will open a window to unprecedented astrophysical studies using subgiant stars.2021ApJ...915...19Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/915/19CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toIV/38 : TESS Input Catalog - v8.0 (TIC-8) (Stassun+, 2019)I/345 : Gaia DR2 (Gaia Collaboration, 2018)II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)II/328 : AllWISE Data Release (Cutri+ 2013)II/335 : Revised catalog of GALEX UV sources (GUVcat_AIS GR6+7) (Bianchi+ 2017)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/915/19https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/915/19http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/915/19https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/915/19https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/915/19http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/915/19GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/915/19/table1 (Target list and data compilation)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/915/19/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/915/19/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/915/19/table1?GETtext/xml+votable180.050000true91.4029681-73.2219650.0055555555555555565/3830 6/10079 10097 10101-10102 10110 10175 10183-10184 10187 10190-10191 10194-10195 10197-10198 10200-10201 10205 10207 10209 10213-10215 10221 10223 10225 10228 10230-10232 10234 10236 10238 11543 11584 11588-11589 11594 11597 11602-11604 11616 11624 11628 11631 11634-11638 11640 11642 11644 11678 11701-11703 11713 11718-11720 11723-11724 11726-11727 11732 11734 11738-11740 11743 11747 11749-11752 11755 11759-11761 11764-11765 11769 12102 12112 15231 15276 15278-15279 15286-15290 15292-15293 15298 15301 15311-15312 15316 15319 15325 15329-15330 15333-15336 15338 15341-15342 15344 15346 15348-15349 15358 15907 15918 15931 15975 15993 15998-15999 16003-16005 16008 16010-16011 16015 16017 16028 16030-16032 16034-16035 16040 16048-16049 16051-16052 16054-16055 16057 16059-16060 16070 16073-16076 16078-16079 16081 16084-16085 16088 16090 16095 16097 16099-16102 16104 16108 16111-16114 16116-16118 16120 16122 16265-16266 32884 32893 33031 33040 33045-33047 33052 33059 33067 33073 33076 33086 33088 33102 33119 33132 33142 33148 33153 33228 33236 33794 33796 33799 33803 33805-33806 33811-33813 33816 33818 33820-33821 33823 33831 33838 33845 33849 33856 33858 33865 33868-33869 33875 33878 33889-33890 37033 37377 37380 37382 37384 37387 37397-37398 37402 37408 37413 37416 37420 37425 37435-37436 37510 37513 37519 37524 37538 37544 37556 37566-37567 37577 37600 37602 37604 38913 38918-38920 38924-38925 38927 38930 38934 38936 38939 38941 38943-38944 38947 38950-38952 38958 38966 38970 39041 39044 39052 39058 39064 39073-390757.952274030004205e-20 1.7798557115773645e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/915/19?format=asciiUVOpticalInfrareddefaultJ/ApJ/915/19/table1Target list and data compilationSimbadSimbad column added by the CDSmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintTICTIC IDmeta.id;meta.mainlongHemis[North/South] Hemispheremeta.codecharGaiaDR2? GaiaDR2 IDmeta.idnullableplx? Parallaxmaspos.parallax.trigdoublenullablee_plx? Parallax errormasstat.error;pos.parallaxdoublenullableGmag? G band magnitudemagphot.mag;em.optdoublenullablee_Gmag? G band magnitude errormagstat.error;phot.magdoublenullableBPmag? BP band magnitudemagphot.mag;em.opt.Bdoublenullablee_BPmag? BP band magnitude errormagstat.error;phot.magdoublenullableRPmag? RP band magnitudemagphot.mag;em.opt.Rdoublenullablee_RPmag? RP band magnitude errormagstat.error;phot.magdoublenullable2MASS2MASS IDmeta.idcharJmag? J band magnitudemagphot.mag;em.IR.Jfloatnullablee_Jmag? J band magnitude errormagstat.error;phot.magfloatnullableHmagH band magnitudemagphot.mag;em.IR.Hfloate_HmagH band magnitude errormagstat.error;phot.magfloatKmag? K band magnitudemagphot.mag;em.IR.Kfloatnullablee_Kmag? K band magnitude errormagstat.error;phot.magfloatnullableALLWISEALLWISE IDmeta.idcharW1mag? W1 band magnitudemagphot.mag;em.IR.3-4umfloatnullablee_W1mag? W1 band magnitude errormagstat.error;phot.magfloatnullableW2mag? W2 band magnitudemagphot.mag;em.IR.4-8umfloatnullablee_W2mag? W2 band magnitude errormagstat.error;phot.magfloatnullableW3mag? W3 band magnitudemagphot.flux.density;em.IR.8-15umfloatnullablee_W3mag? W3 band magnitude errormagstat.error;phot.magfloatnullableW4mag? W4 band magnitudemagphot.flux.density;em.IR.15-30umfloatnullablee_W4mag? W4 band magnitude errormagstat.error;phot.magfloatnullableGALEXGALEX IDmeta.idcharFUVmag? FUV magnitudemagphot.mag;em.UVfloatnullablee_FUVmag? FUV magnitude errormagstat.error;phot.magfloatnullableNUVmag? NUV magnitudemagphot.mag;em.UVfloatnullablee_NUVmag? NUV magnitude errormagstat.error;phot.magfloatnullableNUVexcess? NUV excessmagphot.color.excessdoublenullablee_NUVexcess? NUV excess errormagstat.errordoublenullableTeff? Effective temperatureKphys.temperature.effectivefloatnullablee_Teff? Effective temperature errorKstat.error;phys.temperature.effectivedoublenullablelogg? Surface gravitylog(cm.s**-2)phys.gravitydoublenullablee_logg? logg errorlog(cm.s**-2)stat.errordoublenullableloggCal[MS RC RGB RGB_MS] logg calibrationinstr.calib;src.calib;obs.calibchar[M/H]? Metallicityphys.abund.Zdoublenullablee_[M/H]? Metallicity errorstat.error;phys.abunddoublenullablevsini? Projected rotational velocitykm/sphys.veloc.rotatdoublenullableticDisplay the TESS Inpuc catalog (Cat. IV/38) datameta.ref.urlchar_RAPositions from TIC (right ascension part)degpos.eq.ra;meta.main_DEPositions from TIC (declination part)degpos.eq.dec;meta.mainJ/ApJ/915/19/table2Table of stellar parameters derived from SED fitting using EXOFASTv2recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintTICTIC IDmeta.id;meta.mainlongFlagfit[yes/no ] Flag fitmeta.code.errorcharLum? LuminositysolLumphys.luminosityfloatnullableE_Lum? Luminosity upper error (1)solLumstat.error;stat.maxfloatnullablee_Lum? Luminosity lower error (1)solLumstat.errorfloatnullableTeff? Effective temperatureKphys.temperature.effectivefloatnullableE_Teff? Effective temperature upper error (1)Kstat.error;stat.maxfloatnullablee_Teff? Effective temperature lower error (1)Kstat.error;phys.temperature.effectivefloatnullableRad? RadiussolRadphys.size.radiusfloatnullableE_Rad? Radius upper error (1)solRadstat.error;stat.maxfloatnullablee_Rad? Radius lower error (1)solRadstat.errorfloatnullablelogg? Surface gravitylog(cm.s**-2)phys.gravityfloatnullableE_logg? logg upper error (1)log(cm.s**-2)stat.error;stat.maxfloatnullablee_logg? logg lower error (1)log(cm.s**-2)stat.errorfloatnullableMass? MasssolMassphys.massfloatnullableE_Mass? Mass upper error (1)solMassstat.error;stat.maxfloatnullablee_Mass? Mass lower error (1)solMassstat.error;phys.massfloatnullableAge? AgeGyrtime.agefloatnullableE_Age? Age upper error (1)Gyrstat.error;stat.maxfloatnullablee_Age? Age lower error (1)Gyrstat.error;time.agefloatnullable