WD 1358+644

All names: Gaia EDR3 1670891365049352832, Gaia DR2 1670891365049352832, SDSS J140020.18+641237.00, Gaia DR3 1670891365049352832, SDSS J140020.18+641236.9, SDSS J140020.17+641236.9, SDSS J140020.18+641237.0, WD 1358+644

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 00 20.22 (0.3) 14 00 20.18 14 00 20.22 (0.3) 14 00 20.18 (0.3) 14 00 20.18 14 00 19.46 14 00 20.18
Declination 64 12 36.01 (0.2) 64 12 36.96 64 12 36.04 (0.3) 64 12 36.97 (0.2) 64 12 36.99 64 12 31.32 64 12 36.96
Spectral type DB DB DB DB3.0 DB DB
Effective temperature [K] 16110.0 17438.0 16129.0 17190.0 (399) 17010.0 (442)
log(g) [cgs] 8.11 8.01 7.89 8.27 (0.2) 8.40 (0.2)
Mass [M] 0.656 0.596 0.531 0.836 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.1298
log(H/He) -5.011
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] 2.05 (0.3) 1.83 (0.3) 2.05 (0.3)
Distance [pc] 487.76 (67) 545.71 (94) 487.76 (67)
Composition He
Proper motion (right ascension) [mas/yr] 15.82752818 (0.3) 15.05947364 (0.7) 15.828 (0.3) 23.6
Proper motion (declination) [mas/yr] -60.42785178 (0.3) -60.50611694 (0.6) -60.428 (0.3) -59.8
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.43 (0.03) 19.43 (0.03) 19.46 (0.03) 19.47 19.46 (0.03)
g magnitude 19.46 (0.01) 19.46 (0.01) 19.46 (0.02) 19.46 19.46 (0.02)
r magnitude 19.82 (0.02) 19.82 (0.02) 19.82 (0.02) 19.82 19.81 (0.02)
i magnitude 20.07 (0.04) 20.07 (0.04) 20.07 (0.04) 20.06 20.06 (0.04)
z magnitude 20.59 (0.2) 20.59 (0.2) 20.59 (0.2) 20.61 20.59 (0.2)
G magnitude 19.64 (0.04) 19.70 19.64 (0.004)
BP magnitude 19.58 (0.04) 19.59
RP magnitude 19.76 (0.07) 19.89
Pan g magnitude 19.50 (0.01)
Pan r magnitude 19.79 (0.01)
Pan i magnitude 20.07 (0.02)
Pan z magnitude 20.27 (0.05)
Pan y magnitude 20.40 (0.2)
E(B-V) 0.017

* 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.