J-PLUS white dwarf atmospheric parameters J/A+A/658/A79 ivo://CDS.VizieR/J/A+A/658/A79 doi:10.26093/cds/vizier.36580079 CDS Lopez-Sanjuan C. Tremblay P.-E. Ederoclite A. Vazquez Ramio H.,Carrasco J.M. Varela J. Cenarro A.J. Marin-Franch A. Civera T.,Daflon S. Gaensicke B.T. Gentile Fusillo N.P. Jimenez-Esteban F.M.,Alcaniz J. Angulo R.E. Cristobal-Hornillos D. Dupke R.A.,Hernandez-Monteagudo C. Moles M. Sodre Jr.L. 2024-08-13T20:01:20Z 2022-02-03T08:21:40Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr white-dwarf-stars effective-temperature stellar-masses visible-astronomy We estimated the spectral evolution of white dwarfs with effective temperature using the Javalambre Photometric Local Universe Survey (J-PLUS) second data release (DR2), which provides 12 photometric optical passbands over 2176deg^2^. We analyzed 5926 white dwarfs with r<19.5mag in common between a white dwarf catalog defined from Gaia EDR3 and J-PLUS DR2. We performed a Bayesian analysis by comparing the observed J-PLUS photometry with theoretical models of hydrogen- and helium-dominated atmospheres. We estimated the probability distribution functions for effective temperature (Teff), surface gravity, parallax, and composition; and the probability of having a H-dominated atmosphere (p_H_) for each source. We applied a prior in parallax, using Gaia EDR3 measurements as a reference, and derived a self-consistent prior for the atmospheric composition as a function of Teff. We described the fraction of white dwarfs with a He-dominated atmosphere (f_He_) with a linear function of the effective temperature at 5000<Teff<30000K. We find f_He_=0.24+/-0.01 at Teff=10000K, a change rate along the cooling sequence of 0.14+/-0.02 per 10kK, and a minimum He-dominated fraction of 0.08+/-0.02 at the high-temperature end. We tested the obtained p_H_ by comparison with spectroscopic classifications, finding that it is reliable. We estimated the mass distribution for the 351 sources with distance d<100pc, mass M>0.45M_{sun}_, and Teff>6000K. The result for H-dominated white dwarfs agrees with previous studies, with a dominant M=0.59M_{sun}_ peak and the presence of an excess at M~0.8M_{sun}_. This high-mass excess is absent in the He-dominated distribution, which presents a single peak. The J-PLUS optical data provide a reliable statistical classification of white dwarfs into H- and He-dominated atmospheres. We find a 21+/-3% increase in the fraction of He-dominated white dwarfs from Teff=20000K to Teff=5000K. 2022A&A...658A..79L https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/658/A79 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to http://archive.cefca.es/catalogues/jplus-dr2 : J-PLUS DR2 Home Page https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/658/A79 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/658/A79 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/658/A79 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/658/A79 https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/658/A79 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/658/A79 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/A+A/658/A79/wdpda (Atmospheric parameters for J-PLUS DR2 white dwarfs) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/658/A79/wdpda? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/658/A79/wdpda? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/658/A79/wdpda? 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Atmospheric parameters for J-PLUS DR2 white dwarfs SimbadName Simbad column added by the CDS meta.id char nullable recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Tile-Id Identifier of the J-PLUS Tile image in the r band where the object was detected obs.image int Number Number identifier assigned by SExtractor for the object in the r-band image meta.id;meta.main int RAJ2000 Right ascension in equatorial coordinates (J2000) deg pos.eq.ra;meta.main DEJ2000 Declination in equatorial coordinates (J2000) deg pos.eq.dec;meta.main rmag De-reddened total r-band apparent magnitude mag phot.mag;em.opt.R float e_rmag Uncertainty in rmag mag stat.error;phot.mag float psel Selection probability for rmag<=19.5mag and 1<=parallax<=100mas stat.fit.goodness float pH Probability of having a H-dominated atmosphere stat.fit.goodness float TeffH Effective temperature for a H-dominated atmosphere K phys.temperature.effective double e_TeffH Uncertainty in TeffH K stat.error float loggHe Decimal logarithm of the surface gravity for a He-dominated atmosphere log(0.01m.s**-2) phys.gravity float e_loggHe Uncertainty in loggHe log(0.01m.s**-2) stat.error float plxHe Parallax for a He-dominated atmosphere mas pos.parallax.trig float e_plxHe Uncertainty in plxHe mas stat.error float MassHe Mass for a He-dominated atmosphere solMass phys.mass float e_MassHe Uncertainty in massHe solMass stat.error float VHe Effective volume at 10<=d<=1000pc for a He-dominated atmosphere pc**3 meta.bib.volume double loggH Decimal logarithm of the surface gravity for a H-dominated atmosphere log(0.01m.s**-2) phys.gravity float e_loggH Uncertainty in loggH log(0.01m.s**-2) stat.error float plxH Parallax for a H-dominated atmosphere mas pos.parallax.trig float e_plxH Uncertainty in plxH mas stat.error float MassH Mass for a H-dominated atmosphere solMass phys.mass float e_MassH Uncertainty in massH solMass stat.error float VH Effective volume at 10<=d<=1000pc for a H-dominated atmosphere pc**3 meta.bib.volume double TeffHe Effective temperature for a He-dominated atmosphere K phys.temperature.effective float e_TeffHe Uncertainty in TeffHe K stat.error float