SDSS J004613.38+064124.0

All names: Gaia DR3 2556278188556728960, Gaia DR2 2556278188556728960, SDSS J004613.38+064124.0, Gaia EDR3 2556278188556728960, SDSS J004613.38+064124.00, GALEX J004613.3+064123

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 00 46 13.38 (0.3) 00 46 13.38 00 46 13.38 (0.5) 00 46 13.39 (0.3)
Declination 06 41 23.96 (0.1) 06 41 24.04 06 41 23.96 (0.3) 06 41 24.11 (0.1)
Spectral type DB DB DB DB
Effective temperature [K] 20732.0 17594.0 14289.0 17763.0 (350)
log(g) [cgs] 8.42 7.99 7.68 7.88 (0.02)
Mass [M] 0.862 0.588 0.422 0.525 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.1468
log(H/He) -4.311
log(C/He)
log(Ca/He)
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] 2.28 (0.3) 2.36 (0.4) 2.28 (0.3)
Distance [pc] 437.71 (55) 424.26 (78) 437.71 (55)
Composition He
Proper motion (right ascension) [mas/yr] -13.86069057 (0.4) -14.63261 (1) -13.861 (0.4)
Proper motion (declination) [mas/yr] -9.645178983 (0.3) -9.477904267 (0.6) -9.645 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 19.40 (0.2)
H magnitude
K magnitude
u magnitude 18.90 (0.02) 18.90 (0.02) 18.90 (0.02)
g magnitude 18.89 (0.009) 18.89 (0.01) 18.89 (0.009)
r magnitude 19.25 (0.01) 19.25 (0.01) 19.25 (0.01)
i magnitude 19.46 (0.02) 19.46 (0.02) 19.46 (0.02)
z magnitude 19.87 (0.08) 19.87 (0.08) 19.87 (0.08)
G magnitude 19.06 (0.02) 19.11 19.06 (0.004)
BP magnitude 19.05 (0.02) 18.96
RP magnitude 19.11 (0.05) 18.98
Pan g magnitude 18.97 (0.008)
Pan r magnitude 19.21 (0.007)
Pan i magnitude 19.48 (0.01)
Pan z magnitude 19.68 (0.02)
Pan y magnitude 19.77 (0.06)
E(B-V) 0.030

* 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.