SDSS J131351.70+051054.4

All names: GALEX J131351.6+051055, SDSS J131351.71+051054.4, Gaia DR2 3717034950462196992, Gaia DR3 3717034950462196992, Gaia EDR3 3717034950462196992, SDSS J131351.70+051054.4, SDSS J131351.71+051054.42

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Bedard et al. 2020 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 13 13 51.69 (0.2) 13 13 51.71 13 13 51.69 (0.3) 13 13 51.71 (0.2)
Declination 05 10 54.44 (0.1) 05 10 54.45 05 10 54.44 (0.2) 05 10 54.43 (0.1)
Spectral type DB DB DB DB DB+MS
Effective temperature [K] 32611.0 (734) 32393.0 32476.0 26298.0 31818.0 (368) 30930.0 (340)
log(g) [cgs] 7.82 (0.08) 7.86 7.99 7.85 7.72 (0.04) 7.81 (0.04)
Mass [M] 0.53 (0.03) 0.549 0.614 0.531 0.513 (0.009)
log(Luminosity) [L] -0.65 (0.06)
Cooling age [Gyr] 0.0072 (0.0006) 0.0155
log(H/He) -3.293 <-2.88
log(C/He)
log(Ca/He) <-4.0
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] 2.08 (0.3) 1.82 (0.4) 2.08 (0.3)
Distance [pc] 481.22 (62) 548.17 (121) 660.00 481.21 (62)
Composition He He
Proper motion (right ascension) [mas/yr] -11.72648135 (0.3) -10.98192806 (0.6) -11.726 (0.3)
Proper motion (declination) [mas/yr] 0.103420953 (0.2) -0.072097995 (0.3) 0.103 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.44 (0.02) 18.44 (0.02) 18.44 (0.01)
g magnitude 18.62 (0.008) 18.62 (0.01) 18.62 (0.008)
r magnitude 19.04 (0.01) 19.04 (0.01) 19.04 (0.01)
i magnitude 19.36 (0.02) 19.36 (0.02) 19.36 (0.02)
z magnitude 19.64 (0.08) 19.64 (0.08) 19.64 (0.08)
G magnitude 18.82 (0.02) 18.87 18.82 (0.004)
BP magnitude 18.74 (0.02) 18.64
RP magnitude 19.06 (0.05) 18.93
Pan g magnitude 18.70 (0.007)
Pan r magnitude 19.07 (0.01)
Pan i magnitude 19.36 (0.02)
Pan z magnitude 19.66 (0.02)
Pan y magnitude 19.88 (0.04)
E(B-V) 0.023

* 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.