Gaia DR2 2490494240363793792

All names: Gaia DR2 2490494240363793792, Gaia EDR3 2490494240363793792, GALEX J020346.7-070137, SDSS J020346.77-070137.5, J0203-0701, WDJ020346.75-070136.88, WDJ020346.75-070136.89, Gaia DR3 2490494240363793792

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 02 03 46.79 (0.08) 02 03 46.79 02 03 46.79 02 03 46.75 (0.08) 02 03 46.79
Declination -07 01 37.84 (0.07) -07 01 37.81 -07 01 37.84 -07 01 36.89 (0.07) -07 01 37.81
Spectral type DC DC DC DC DC
Effective temperature [K] 7652.0 (68) 7657.0 (52) 7652.0 (68) 8195.0 7891.0 7576.0 (98)
log(g) [cgs] 8.10 (0.01) 8.10 (0.01) 8.10 (0.01) 8.34 8.25 8.10 (0.02)
Mass [M] 0.635 (0.01) 0.638 (0.01) 0.637 (0.01) 0.81 0.733 0.638 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.5000 1.8270 1.7230
log(H/He) -3.6 -3.6 -3.6
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] 15.92 (0.1) 15.96 (0.1) 15.96 (0.1) 15.92 15.92 (0.1) 15.96 (0.1)
Distance [pc] 62.81 (0.4) 62.66 (0.5) 62.65 (0.5) 62.81 62.81 (0.4) 62.65 (0.5)
Composition He
Proper motion (right ascension) [mas/yr] 33.22859865 (0.1) 33.04893558 (0.3) 33.229 (0.1) 33.04893558
Proper motion (declination) [mas/yr] -59.57835969 (0.08) -59.64747047 (0.2) -59.578 (0.09) -59.64747047
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.00 (0.01)
H magnitude 16.90 (0.03)
K magnitude 16.89 (0.07)
u magnitude 17.80 (0.01) 17.80 (0.01) 17.80 (0.01)
g magnitude 17.45 (0.005) 17.45 (0.005)
r magnitude 17.38 (0.006) 17.38 (0.006)
i magnitude 17.44 (0.007) 17.44 (0.007)
z magnitude 17.55 (0.01) 17.55 (0.01)
G magnitude 17.34 (0.007) 17.37 17.34 17.34 (0.003) 17.37
BP magnitude 17.45 (0.007) 17.45 17.45
RP magnitude 17.12 (0.009) 17.11 17.11
Pan g magnitude 17.46 (0.008) 17.46 (0.01)
Pan r magnitude 17.39 (0.004) 17.39 (0.004)
Pan i magnitude 17.47 (0.005) 17.47 (0.004)
Pan z magnitude 17.55 (0.01) 17.55 (0.01)
Pan y magnitude 17.61 (0.01) 17.61 (0.01)
E(B-V) 0.001

* 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.