J/MNRAS/504/654ivo://CDS.VizieR/J/MNRAS/504/654doi:10.26093/cds/vizier.75040654CDSBotan E.Saito R.K.Minniti D.Kanaan A.Contreras Ramos R.,Ferreira T.S.Gramajo L.V.Navarro M.G.2024-11-06T20:33:47Z2024-05-14T08:02:58ZCDS support team

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

cds-question@unistra.frmilky-way-galaxyeclipsing-binary-starsgalactic-centerinfrared-sourcesinfrared-photometryextinctioninterstellar-reddeningMost of our knowledge of the structure of the Milky Way has come from the study of variable stars. Among these variables, mimicking the periodic variation of pulsating stars, are eclipsing binaries. These stars are important in astrophysics because they allow us to directly measure the radii and masses of the components, as well as the distance to the system, thus being useful in studies of Galactic structure alongside pulsating RR Lyrae and Cepheids. Using the distinguishing features of their light curves, one can identify them using a semi-automated process. In this work, we present a strategy to search for eclipsing variables in the inner VVV bulge across an area of 13.4 deg^2^ within 1.68{deg} < l < 7.53{deg} and -3.73{deg} < b < -1.44{deg}, corresponding to the VVV tiles b293-b296 and b307-b310. We accurately classify 212 previously unknown eclipsing binaries, including six very reddened sources. A preliminary analysis suggests that these eclipsing binaries are located in the most obscured regions of the foreground disc and bulge of the Galaxy. This search is therefore complementary to other variable-star searches carried out at optical wavelengths.2021MNRAS.504..654Bhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/504/654CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toB/vsx : AAVSO International Variable Star Index VSX (Watson+, 2006-)II/337 : VISTA Variables in the Via Lactea Survey DR1 (Saito+, 2012)II/348 : VISTA Variable in the Via Lactea Survey DR2 (Minniti+, 2017)I/345 : Gaia DR2 (Gaia Collaboration, 2018)II/376 : VISTA Variable in the Via Lactea Survey (VVV) DR4.2 (Minniti+, 2023)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/504/654https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/504/654http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/504/654https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/504/654https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/504/654http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/504/654GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/504/654/tablea1 (General information about the new EBs)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/504/654/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/504/654/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/504/654/tablea1?GETtext/xml+votable180.050000true270.69749-27.886190.0055555555555555565/7217 7220 7222 6/28865-28867 28873 28876-28877 28886-28887 28892-288947.952274030004205e-20 1.0188844282367877e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/504/654?format=asciiInfrareddefaultJ/MNRAS/504/654/tablea1General information about the new EBsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIDNew EBs ID name (ID)meta.id;meta.maincharRAJ2000Right ascension of the new EBs (J2000) (RA2000)degpos.eq.ra;meta.mainDEJ2000Declination of the new EBs (J2000) (Dec2000)degpos.eq.dec;meta.mainPerThe periodic time of the new EBs (Period)dtime.epochdoubleKsmagApparent magnitude in Ks filter (Ks)magphot.mag;em.IR.Kfloate_KsmagMean error on Ksmag (Ksmagerror)magstat.error;phot.magfloatJ-Ks? Colour index of magnitude (J-Ks) (1)magphot.color;em.IR.J;em.IR.Kfloatnullablee_J-Ks? Mean error on J-Ks (J-Kserror) (1)magstat.error;phot.color;em.IR.JfloatnullableAKsExtinction on Ks band (Aks) (2)magphys.absorptionfloate_AKsMean error on Extinction (Akserror) (2)magstat.errorfloatE(J-Ks)Reddening (EJ-Ks) (2)magphot.color.excessfloate_E(J-Ks)Mean error on Reddening (EJ-Kserror) (2)magstat.errorfloat