SDSS J130516.51+405640.8

All names: WD 1302+412, SDSS J130516.51+405641.0, SDSS J130516.52+405640.9, LAMOST J130516.51+405640.9, Gaia DR2 1524417247791633536, SDSS J130516.52+405640.90, SDSS J130516.51+405640.9, Gaia DR3 1524417247791633536, GALEX J130516.5+405640, SDSS J130516.51+405640.8, Gaia EDR3 1524417247791633536

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Nitta et al. 2009 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 05 16.50 (0.05) 13 05 16.51 13 05 16.50 (0.07) 13 05 16.50 13 05 16.52 (0.05) 13 05 16.51 13 05 16.68 13 05 16.52
Declination 40 56 41.16 (0.06) 40 56 40.91 40 56 41.15 (0.07) 40 56 41.16 40 56 40.79 (0.06) 40 56 40.88 40 56 39.12 40 56 40.91
Spectral type DB DB DB DB DB DBH: DB
Effective temperature [K] 21672.0 23730.0 19865.0 20828.0 (249) 24080.0 (414) 23533.0 (2438) 23562.0 (386) 24324.0 (423)
log(g) [cgs] 8.09 7.97 7.88 8.01 (0.04) 8.14 (0.06) 7.96 (0.04) 8.07 (0.05) 8.05 (0.05)
Mass [M] 0.651 0.59 0.533 0.585 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.0548
log(H/He) <-4.975 <-4.06
log(C/He)
log(Ca/He) <-4.52
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 3.63 (0.09) 3.66 (0.1) 3.63 3.63 (0.09)
Distance [pc] 275.21 (6) 273.42 (8) 255.00 275.21 275.21 (6)
Composition He
Proper motion (right ascension) [mas/yr] -8.786380749 (0.06) -8.661934281 (0.1) -8.786 (0.06) -8.9
Proper motion (declination) [mas/yr] 23.30688964 (0.07) 23.18303821 (0.2) 23.307 (0.07) 23.9
Variability VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.37 (0.009) 17.37 (0.009) 17.39 (0.04) 17.39 17.39 (0.04)
g magnitude 17.44 (0.005) 17.46 17.44 (0.005) 17.46 (0.02) 17.46 17.45 (0.02)
r magnitude 17.86 (0.006) 17.86 (0.006) 17.85 (0.03) 17.85 17.86 (0.03)
i magnitude 18.14 (0.009) 18.14 (0.009) 18.14 (0.02) 18.14 18.14 (0.02)
z magnitude 18.44 (0.03) 18.44 (0.03) 18.46 (0.04) 18.46 18.45 (0.04)
G magnitude 17.67 (0.007) 17.70 17.67 17.67 (0.003)
BP magnitude 17.58 (0.007) 17.52
RP magnitude 17.85 (0.01) 17.80
Pan g magnitude 17.54 (0.007)
Pan r magnitude 17.86 (0.006)
Pan i magnitude 18.17 (0.005)
Pan z magnitude 18.41 (0.008)
Pan y magnitude 18.59 (0.01)
E(B-V) 0.018

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.