J/ApJ/912/123ivo://CDS.VizieR/J/ApJ/912/123doi:10.26093/cds/vizier.19120123CDSJustesen A.B.Albrecht S.2022-12-06T06:53:03Z2022-11-30T09:51:31ZCDS support team

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

cds-question@unistra.freclipsing-binary-starsphotometryvisible-astronomyeffective-temperatureTidal forces are important for understanding how close binary stars and compact exoplanetary systems form and evolve. However, tides are difficult to model, and significant uncertainties exist about the strength of tides. Here, we investigate tidal circularization in close binaries using a large sample of well-characterized eclipsing systems. We searched TESS photometry from the southern hemisphere for eclipsing binaries. We derive best-fit orbital and stellar parameters by jointly modeling light curves and spectral energy distributions. To determine the eccentricity distribution of eclipsing binaries over a wide range of stellar temperatures (3000-50000K) and orbital separations a/R1 (2-300), we combine our newly obtained TESS sample with eclipsing binaries observed from the ground and by the Kepler mission. We find a clear dependency of stellar temperature and orbital separation in the eccentricities of close binaries. We compare our observations with predictions of the equilibrium and dynamical tides. We find that while cool binaries agree with the predictions of the equilibrium tide, a large fraction of binaries with temperatures between 6250K and 10000K and orbital separations between a/R1~4 and 10 are found on circular orbits, contrary to the predictions of the dynamical tide. This suggests that some binaries with radiative envelopes may be tidally circularized significantly more efficiently than usually assumed. Our findings on orbital circularization have important implications also in the context of hot Jupiters, where tides have been invoked to explain the observed difference in the spin-orbit alignment between hot and cool host stars.2021ApJ...912..123Jhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/912/123CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toI/347 : Distances to 1.33 billion stars in Gaia DR2 (Bailer-Jones+, 2018)I/345 : Gaia DR2 (Gaia Collaboration, 2018)IV/38 : TESS Input Catalog - v8.0 (TIC-8) (Stassun+, 2019)J/AJ/114/326 : MACHO Variables V. (Alcock+ 1997)J/AcA/48/563 : BVI photometry of OGLE SMC eclipsing binaries (Udalski+, 1998)J/A+A/424/919 : Stellar models grids. Z=0.02, M=0.8 to 125 (Claret, 2004)J/AcA/54/1 : OGLE II SMC eclipsing binaries (Wyrzykowski+, 2004)J/A+A/440/647 : New grids of stellar models. II. (Claret, 2005)J/A+A/446/785 : Catalogue of eclipsing variables (Malkov+, 2006)J/A+A/450/681 : Companions to close spectroscopic binaries (Tokovinin+, 2006)J/A+A/467/1389 : New grids of stellar models. IV. (Claret, 2007)J/ApJ/663/249 : LMC eclipsing binaries in the MACHO database (Derekas+, 2007)J/AJ/135/850 : Properties of eclipsing binaries found in TrES (Devor+, 2008)J/other/A+ARV/18.67 : Accurate masses and radii of normal stars (Torres+, 2010)J/AJ/141/83 : Kepler Mission. I. Eclipsing binaries in DR1 (Prsa+, 2011)J/ApJ/757/18 : RVs for 16 hot Jupiter host stars (Albrecht+, 2012)J/ApJ/826/56 : HST/WFC3 obs. of Cepheids in SN Ia host gal. (Riess+, 2016)J/ApJ/824/15 : Orbital circularization of Kepler EBs (Van Eylen+, 2016)J/A+A/602/A107 : 231 transiting planets eccentricity and mass (Bonomo+, 2017)J/A+A/600/A30 : Limb-darkening for TESS satellite (Claret, 2017)J/AJ/154/105 : 529 Kepler eclipsing binaries (Kjurkchieva+, 2017)J/AJ/155/165 : Exoplanet hosts with tidal spin-up data (Penev+, 2018)J/AJ/156/102 : TESS Input Catalog and Candidate Target List (Stassun+, 2018)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/912/123https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/912/123http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/912/123https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/912/123https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/912/123http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/912/123GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/912/123/table2 (Orbital parameters of TESS eclipsing binaries)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/912/123/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/912/123/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/912/123/table2?GETtext/xml+votable180.050000true187.2594428-26.25539140.0055555555555555566/14 194 264 4123 4620 4648 16387 16443 16491 16512 16521 16641 16657 16683 17226 17307 17312 17365 17463 17601 17613 17616 17758 17797 17892 17931 17933 17953 20483 20534 20557 20571 20579 20591 20601 20609 20638 20666 20675 20713 20753 20761 20776 20789 20791 20805 20811 20841 20846 20854 20870 20872 20911 20919 20934 20938 20953 20958 21016 21031 21051 21072 21077 21100 21127 21142 21211 21234 21254 21295 21306 21333 21374 21394 21470 21473 21536 21538 21562 21609 21611 21621 21639 21642 21645-21646 21668 21670 21676 21679 21708 21731 21776 21834 21866 21999 22001 22059 22065-22066 22092 22201 22209 22227 22281 22328 22391 22403 22406 22413 22445 22453 22505 22650 22652 22663 22671 22681 22683 22778 22791 22812 22827 22872 22894 22942 22993 23047 23086 23088 23101 23120 23184 23300 23325 23360 23363 23373 23419 23466 23472 23515 23601 23621 23639 23693-23694 23710 23712 23717-23718 23724 23732 23737 23817 23837 23862 23864 24637 24663 24695 24752 24815 24883 24893 24897 24906 24928 24932 24936 25083 25098 25132 25184 25193-25194 25221 25256 25296 25300 25378 25446 25515 25534 26714 26741 26771 27022 27056 27144 27160 27232 27234 27252 27281 27303 28721 28809 28833 32788 32795 32817 32842 32846 32848-32849 32855 32862 32880 32892 32908 32914 32930 32940 32964 32983 32990 33027 33044 33048 33061 33064-33065 33073 33080 33090 33098 33112 33123 33137 33145-33146 33148 33159 33161 33190 33194 33200 33203 33228-33229 33241 33261 33263 33279 33317 33425 33455-33456 33477-33478 33488 33528 33562 33623 33707 33729 33781-33782 33799 33810 33813 33816 33825 33827 33836 33852 33854 33863 33865 33870 33899 33917 33929 33932 33983 33986 33988 34042 34056 34073 34104 34113 34158 34181 34211 34274 34278 34326 34347 34390 34406 34435 34456 34463 34496 34565-34566 34617 34643 34651 34671 34702 34721 34755 34767 34787 34795 34802 34805 34821 34825 34860 34898 34912 34914 34946 34957 35027 35072 35095 35159 35196 35210 35225 35234 35275 35282 35356 35451 35456 35555 35571 35586 35673 35850 35896 35926 36057 36139 36142 36183-36184 36468 36487 36514 36568 36573 36594-36595 36612 36661 36667 36687 36698 36716 36744 36749 36794 36799 36868 36913 36954 37012 37034 37037 37053 37065 37098 37113-37114 37192 37207 37218 37328 37379 37392 37398 37410 37416 37429 37454 37458 37465 37488 37496 37498 37518 37525 37533-37534 37548 37557 37565 37569-37570 37577 37603-37604 37606 37617 37699 37717-37718 37731 37786-37787 37838 37851-37852 37883 37886 37893 37897 37901 37907 37913 37923 37935 38016 38064 38072 38111 38329 38335 38370 38436 38452 38481 38562-38563 38585 38626 38674 38721 38800 38816 38882 38900 38916-38917 38920 38922 38937 38942-38943 38949-38950 38957 38968 38971 38976-38978 38989 39007 39034 39052 39055 39059-39060 39065 39073 39075 39087 39089 39091 39142 39224 39236 39267 39318 39420 39425 39460-39461 39467 39487 39512 39514 39542 39553 39570 39628 39672-39673 39695 39697 39701 39726 39759 39761 39776 39793 39807 39836 39844 39882 39894 39897 39914 39916 39940 39979 39994 40005-40006 40029 40037 40088 40104 40111 40116 40127 40164 40186 40190 40197 40229 40280 40341 40369 40387 40392 40460 40464 40477 40497 40502 40517 40554 40599 40660-40661 40686 40711 40750 40826 40828 40862 40891 40924 40968 41005 41026 41116 41124 41133 41178 41239 41266 41269 41287 41294 41299 41313 41398 41509 41534 41610 41623 41650 41679 41707 41729 41747 41826 41835-41836 41914 41940 41963 41990 41996 42000-42001 42008 42071 42085 42136 42146 42168 42172 42185 42291 42303 42315 42394 42501 42631 42665 42674 42719 42917 43008 43017 43048 43219 43228 43233 43239 43256 43398 43452 43500 43522 43588 43642 43659 43672 43787 43854 43856-43857 43905 43936 43960 43977 44037 44059 44172 44177 44200 44293 44605 45112 45129 45224 45238 45257 45294 45319 45355 45380 45382 45417 45449 45491 45507 45542 45634 45724 45754 45779 45827 45905 45918 45922 45942 45948 45962 46065 46093 46111 46115 46218-46219 46245 46298 46300 46310 46316 46330 46338 46421 46434 46437 46488 46495 46498 46502 46529 46624 46670 46684 46727 46753 46771 46838 46862 46873 46934 46952 47000 47024 47032 47067 47182 47186 47211 47219 47243 47308 47313 47343 47355 47395 47446 47453 47495 47501 47652 47677 47764 47832 47835 47858 47865-47866 47870 47899 48002 48005 48013 48174-48175 48178 48241 48263 48305 48331 48338 48445 48453 48457https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/912/123?format=asciiOpticaldefaultJ/ApJ/912/123/table2Orbital parameters of TESS eclipsing binariesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintTIC[737546/469166137] TESS Input Catalog IDmeta.id;meta.mainlongprimaryPer[0.63/19.17] Orbital period (P)dtime.perioddoublet1[1325.3/1664.5] Time of primary eclipse; TESS Barycentric Julian Date (BJD-2457000)dtime.epochdoublet2[1323.2/1666.5] Time of secondary eclipse TESS Barycentric Julian Date (BJD-2457000)dtime.epochdoubleecosw[2.14e-8/0.7] Eccentricity times cos(longitude of periastron)src.orbital.eccentricitydoubled1[0.01/0.88] Depth of primary eclipsephot.mag;stat.mindoubled2[0.005/0.5] Depth of secondary eclipsephot.mag;stat.mindoubleTmag[4.2/16.4] TESS apparent magnitudemagphot.mag;em.optdoubleSimbadSimbad column added by the CDSmeta.ref.urlchar_RAPositions from TIC v8 (IV/38) (right ascension part)degpos.eq.ra;meta.main_DEPositions from TIC v8 (IV/38) (declination part)degpos.eq.dec;meta.mainJ/ApJ/912/123/table3Orbital and stellar parameters of TESS eclipsing binariesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintTIC[737546/468958384] TESS Input Catalog IDmeta.id;meta.mainlongPer[0.66/19.17] Orbital period (P)dtime.perioddoublet1[1325.3/1664.5] Time of primary eclipse (TESS Barycentric Julian Date; BJD-2457000)dtime.epochdoublerp[0.2/1.73] Radius ratio (k)phys.size.radius;arith.ratiodoublea/R1[2.38/44.17] Semi-major axis ratiophys.angSize.smajAxisdoubleecosw[-0.56/0.61] Eccentricity times cos(longitude of periastron)src.orbital.eccentricitydoubleesinw[-0.5/0.35] Eccentricity times sin(longitude of periastron)src.orbital.eccentricitydoubleinc[72.77/90] Orbital inclinationdegsrc.orbital.inclinationdoublefp[0.0039/2.08] Light ratio in TESS bandstat.fit.paramdoubleTeff1[3002/49996] Stellar effective temperature of primaryKphys.temperature.effectiveintTeff2[2000/42801] Stellar effective temperature of secondaryKphys.temperature.effectiveintf_Teff[0/1] Flag on Teff (1=derived from SED fit)meta.codeint