SDSS J000426.95+243258.9

All names: SDSS J000426.95+243258.9, Gaia EDR3 2849976676552398976, J0004+2432, Gaia DR2 2849976676552398976, SDSS J000426.95+243258.90, GALEX J000426.9+243259, Gaia DR3 2849976676552398976

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) Coutu et al. 2019 Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 00 04 26.96 (0.4) 00 04 26.95 00 04 26.94 00 04 26.96 (0.5) 00 04 26.94 (0.4) 00 04 26.95
Declination 24 32 58.99 (0.3) 24 32 58.93 24 32 58.95 24 32 58.99 (0.4) 24 32 58.97 (0.3) 24 32 58.89
Spectral type DBZ DZ DBZA: DZ
Effective temperature [K] 16206.0 10564.0 10490.0 (614) 14229.0 (414)
log(g) [cgs] 9.16 8.25 8.26 9.43 (0.2)
Mass [M] 1.253 0.738 0.7473
log(Luminosity) [L]
Cooling age [Gyr] 0.8130
log(H/He) -5.09 <-5.8182
log(C/He)
log(Ca/He) -9.7408 (0.2)
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] 3.19 (0.5) 3.47 3.47 (0.6) 3.19 (0.5)
Distance [pc] 313.56 (49) 287.94 (50) 287.94 (50) 313.57 (49)
Composition He
Proper motion (right ascension) [mas/yr] 12.42166141 (0.5) 12.15778121 (1) 12.422 (0.5)
Proper motion (declination) [mas/yr] 1.282588701 (0.6) 2.677496346 (0.8) 1.283 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.17 (0.06) 20.17 (0.06) 19.95 (0.04)
g magnitude 19.95 (0.02) 19.95 (0.02) 19.93 (0.02)
r magnitude 20.00 (0.03) 20.00 (0.03) 20.04 (0.03)
i magnitude 20.17 (0.05) 20.17 (0.05) 20.22 (0.04)
z magnitude 20.24 (0.2) 20.24 (0.2) 20.29 (0.1)
G magnitude 19.94 (0.05) 20.00 19.94 (0.004)
BP magnitude 20.01 (0.05) 19.95
RP magnitude 19.90 (0.08) 19.84
Pan g magnitude 19.91 (0.009)
Pan r magnitude 20.02 (0.02)
Pan i magnitude 20.26 (0.02)
Pan z magnitude 20.28 (0.02)
Pan y magnitude 20.16 (0.2)
E(B-V) 0.048

* 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.