Gaia DR2 241745640169579776

All names: J0331+4509, WDJ033158.37+450903.70, SDSS J033158.40+450903.4, Gaia DR2 241745640169579776, Gaia DR3 241745640169579776, WDJ033158.37+450903.69, SDSS J033158.39+450903.4, Gaia EDR3 241745640169579776

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 03 31 58.46 (0.08) 03 31 58.45 03 31 58.46 03 31 58.37 (0.08) 03 31 58.45
Declination 45 09 02.84 (0.07) 45 09 02.87 45 09 02.84 45 09 03.70 (0.07) 45 09 02.87
Spectral type DA DA DA DA DA
Effective temperature [K] 8543.0 (77) 8738.0 (72) 8543.0 (77) 8531.0 8257.0 8472.0 (141)
log(g) [cgs] 8.36 (0.01) 8.39 (0.01) 8.35 (0.02) 8.35 8.26 8.34 (0.03)
Mass [M] 0.822 (0.01) 0.849 (0.01) 0.817 (0.01) 0.816 0.743 0.81 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.7700 1.6130 1.5690
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 13.14 (0.1) 13.07 (0.1) 13.07 (0.1) 13.14 13.14 (0.1) 13.07 (0.1)
Distance [pc] 76.09 (0.6) 76.51 (0.7) 76.48 (0.7) 76.09 76.09 (0.6) 76.48 (0.7)
Composition H H
Proper motion (right ascension) [mas/yr] 56.36724643 (0.1) 56.26544671 (0.2) 56.367 (0.1) 56.26544671
Proper motion (declination) [mas/yr] -53.54957676 (0.1) -53.51313189 (0.2) -53.55 (0.1) -53.51313189
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.34 (0.02)
H magnitude 17.29 (0.04)
K magnitude 17.42 (0.08)
u magnitude 18.13 (0.01) 18.13 (0.01) 18.13 (0.01)
g magnitude 17.71 (0.005) 17.71 (0.005)
r magnitude 17.70 (0.006) 17.70 (0.006)
i magnitude 17.75 (0.007) 17.75 (0.007)
z magnitude 17.86 (0.02) 17.86 (0.02)
G magnitude 17.65 (0.01) 17.68 17.65 17.65 (0.003) 17.68
BP magnitude 17.77 (0.01) 17.75 17.75
RP magnitude 17.45 (0.01) 17.46 17.46
Pan g magnitude 17.74 (0.008) 17.74 (0.007)
Pan r magnitude 17.72 (0.007) 17.72 (0.006)
Pan i magnitude 17.79 (0.005) 17.79 (0.004)
Pan z magnitude 17.90 (0.006) 17.89 (0.006)
Pan y magnitude 17.97 (0.02) 17.97 (0.03)
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.