Gaia DR2 578452453193409920

All names: WDJ085635.74+031818.48, Gaia EDR3 578452453193409920, SDSS J085635.74+031818.4, Gaia DR3 578452453193409920, Gaia DR2 578452453193409920

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 08 56 35.76 (0.2) 08 56 35.76 08 56 35.76 08 56 35.74 (0.2) 08 56 35.76
Declination 03 18 17.79 (0.08) 03 18 17.81 03 18 17.79 03 18 18.48 (0.08) 03 18 17.81
Spectral type DC DA DA
Effective temperature [K] 5250.0 (39) 5565.0 5296.0 5725.0 (63)
log(g) [cgs] 7.85 (0.02) 8.06 7.89 8.15 (0.03)
Mass [M] 0.481 (0.02) 0.624 0.504 0.678 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 3.4850 3.7450
log(H/He)
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] 14.59 (0.2) 14.72 (0.3) 14.59 14.59 (0.2) 14.72 (0.3)
Distance [pc] 68.56 (0.9) 67.94 (1) 68.56 68.56 (0.9) 67.94 (1)
Composition He
Proper motion (right ascension) [mas/yr] 18.66963646 (0.2) 19.42157366 (0.5) 18.67 (0.2) 19.42157366
Proper motion (declination) [mas/yr] -43.12257095 (0.2) -43.35742242 (0.3) -43.123 (0.2) -43.35742242
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.14 (0.04) 20.14 (0.04)
g magnitude 19.10 (0.01) 19.10 (0.01)
r magnitude 18.59 (0.009) 18.59 (0.009)
i magnitude 18.40 (0.01) 18.40 (0.01)
z magnitude 18.39 (0.03) 18.39 (0.03)
G magnitude 18.61 (0.02) 18.63 18.61 18.61 (0.003) 18.63
BP magnitude 18.96 (0.02) 19.00 19.00
RP magnitude 18.11 (0.02) 18.09 18.09
Pan g magnitude 19.01 (0.008)
Pan r magnitude 18.58 (0.006)
Pan i magnitude 18.42 (0.004)
Pan z magnitude 18.36 (0.01)
Pan y magnitude 18.35 (0.05)
E(B-V) 0.002

* 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.