Gaia DR2 754853769426521856

All names: WDJ102836.3+375048.86, GALEX J102836.3+375049, Gaia DR2 754853769426521856, J1028+3750, SDSS J102836.27+375048.5, Gaia EDR3 754853769426521856, WDJ102836.30+375048.87, Gaia DR3 754853769426521856

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 Vincent et al. 2023
Right ascension 10 28 36.19 (0.1) 10 28 36.20 10 28 36.19 10 28 36.30 (0.1) 10 28 36.20
Declination 37 50 47.13 (0.1) 37 50 47.19 37 50 47.13 37 50 48.88 (0.1) 37 50 47.19
Spectral type DA DA DA DA DA DA
Effective temperature [K] 6542.0 (46) 6780.0 (54) 6543.0 (46) 6568.0 6334.0 6574.0 (108)
log(g) [cgs] 7.94 (0.02) 8.03 (0.03) 7.95 (0.03) 7.96 7.83 7.95 (0.04)
Mass [M] 0.554 (0.02) 0.611 (0.03) 0.56 (0.02) 0.566 0.477 0.563 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.7900 1.6680 1.6390
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] 10.12 (0.2) 10.19 (0.2) 10.19 (0.2) 10.12 10.12 (0.2) 10.19 (0.2)
Distance [pc] 98.79 (2) 98.14 (2) 98.14 (2) 98.79 98.79 (2) 98.14 (2)
Composition H H
Proper motion (right ascension) [mas/yr] -76.70115599 (0.2) -76.64646125 (0.4) -76.701 (0.2) -76.64646125
Proper motion (declination) [mas/yr] -109.0500741 (0.2) -108.4624347 (0.4) -109.05 (0.2) -108.4624347
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.85 (0.05)
H magnitude
K magnitude
u magnitude 19.35 (0.03) 19.52 (0.03) 19.36 (0.03)
g magnitude 18.80 (0.009) 18.84 (0.009)
r magnitude 18.58 (0.008) 18.57 (0.009)
i magnitude 18.49 (0.01) 18.48 (0.01)
z magnitude 18.52 (0.02) 18.52 (0.03)
G magnitude 18.58 (0.02) 18.60 18.58 18.58 (0.003) 18.60
BP magnitude 18.88 (0.02) 18.82 18.82
RP magnitude 18.22 (0.02) 18.14 18.14
Pan g magnitude 18.81 (0.008) 18.81 (0.008)
Pan r magnitude 18.55 (0.01) 18.55 (0.01)
Pan i magnitude 18.55 (0.006) 18.55 (0.006)
Pan z magnitude 18.56 (0.01) 18.56 (0.01)
Pan y magnitude 18.52 (0.02) 18.52 (0.02)
E(B-V) 0.005

* 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.