J/A+A/674/A19ivo://CDS.VizieR/J/A+A/674/A19doi:10.26093/cds/vizier.36740019CDSGomel R.Mazeh T.Faigler S.Bashi D.Eyer L.Rimoldini L.Audard M.,Mowlavi N.Holl B.Jevardat de Fombelle G.Nienartowicz K.Lecoeur I.,Wyrzykowski L.2024-11-28T20:03:46Z2023-06-16T12:54:05ZCDS support team

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

cds-question@unistra.frsurveysphotometryvariable-starsAs part of Gaia Data Release 3, a large number of ellipsoidal variables were identified with supervised classification. The periodic variability of these ellipsoidals is presumably induced by tidal interaction with a companion in a close binary system. We present 6306 short-period probable ellipsoidal variables with relatively large-amplitude Gaia G-band photometric modulations that indicate a possible massive, undetected secondary. In case of a main-sequence primary, the more massive secondary is probably a compact object - either a black hole or a neutron star, and sometimes a white dwarf. The identification is based on the recently suggested robust modified minimum mass ratio (mMMR) that was derived from the observed ellipsoidal amplitude alone, without the use of the primary mass or radius. We also list a subset of 262 systems with an mMMR higher than unity, for which the probability of a compact secondary is higher. Follow-up observations are needed to verify the true nature of these variables.2023A&A...674A..19Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/674/A19CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toI/355 : Gaia DR3 Part 1. Main source (Gaia Collaboration, 2022)I/358 : Gaia DR3 Part 4. Variability (Gaia Collaboration, 2022)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/674/A19https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/674/A19http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/674/A19https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/674/A19https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/674/A19http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/674/A19GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/674/A19/table3 (Ellipsoidal variables with possible compact companions)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/674/A19/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/674/A19/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/674/A19/table3?GETtext/xml+votable180.050000true254.8967-49.54980.0055555555555555565/7313 6/1101 1305 1455 1475 1619 1756 1769 1788 1790 1846 1964 3162 3179 12854 12872 12966 12970 12973 12979 12985 12987 13028 13450 13984 14341 14362 14426 14448 14454 14457 14608 14610 14618 14620 14630 14637 14657 14672 14686 14698 14711 14713 14715 14724 14746 14799 15375 15393 15401 15409 15534 15662 18572 21356 21461 21537 21671 22180 24183 24308 28718-28719 28722-28723 28729 28734-28735 28770 28776 28819 28825 28829 28842 28845 28881 28899 28903 28907-28908 28921 28926 29061 29088 29104 29130 29187 29206 29208 29211 29213 29215 29250-29251 29257 29259-29260 29263-29264 29266 29270 29272-29273 29275 29278 29281 29285 29296-29297 29299 29301 29372 29429 29443 29497 29581 29667 30423 30509 30567 30575 30593 30618 30629 30643 30664 30667 30681 30701 30705 30710-30711 30841 30992 31005 31145 31827 32020 32068 32084 32086 32090 37709 37805 37807 37861 37873 39195 39244 39264 39307 39366 39968 41402 41405 41442 41450 41455 41458 41468 41470 41547 41661 41693 41714 41740 41744 41750 41763 41786 41791 41795 41814 41829 41832 41836 41848-41849 41863 41878 41920 41928 42128 42139 42155 42165 42171 42186 42188-42189 42193-42195 42203 42215 42218 42222 42224 42226 42228 42284-42285 42293 42357 42365 42371 42392 42406 42425 42428 42431 42433-42434 42438-42440 42467 42474 42478 42491 42494 42503 42518 42527 42547 42565 42580 42584 42591 42610 42690 42765 42773 42776 42817 42839 42905 43011https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/674/A19?format=asciidefaultJ/A+A/674/A19/table3Ellipsoidal variables with possible compact companionsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGaiaDR3Gaia DR3 idmeta.id;meta.mainRA_ICRSRight ascension (ICRS) at Ep=2016.0degpos.eq.ra;meta.main_RA.icrsRight ascension (ICRS) at Epoch=J2016. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services)degpos.eq.raindexed_DE.icrsDeclination (ICRS) at Epoch=J2016. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services)degpos.eq.decindexedDE_ICRSDeclination (ICRS) at Ep=2016.0degpos.eq.dec;meta.mainPerGaia orbital perioddtime.perioddoublee_PerGaia orbital period errordstat.errordoubleT0Reference time (BJD-2455197.5)dtime.epochdoublee_T0Reference time errordstat.errordoubleGmagFitted G magnitudemagphot.mag;em.opt.Vdoublee_GmagFitted G magnitude errormagstat.error;phot.magdoubleA1ccosine coefficient of first harmonicstat.fit.paramdoublee_A1ca1c errorstat.errordoubleA2ccosine coefficient of second harmonicstat.fit.paramdoublee_A2ca2c errorstat.errordoubleA3ccosine coefficient of third harmonicstat.fit.paramdoublee_A3ca3c errorstat.errordoubleA1ssine coefficient of first harmonicstat.fit.paramdoublee_A1sa1s errorstat.errordoubleA2ssine coefficient of second harmonicstat.fit.paramdoublee_A2sa2s errorstat.errordoubleA3ssine coefficient of third harmonicstat.fit.paramdoublee_A3sa3s errorstat.errordoubleNTotal number of analyzed pointsmeta.numberintmMMRModified minimum mass ratiophys.composition.massLightRatiofloatb_mMMRLower-percentile mMMRmeta.notefloat