Gaia DR2 286251461381258624

All names: SDSS J053843.73+622214.8, Gaia DR3 286251461381258624, J0538+6222, Gaia DR2 286251461381258624, GALEX J053843.8+622215, SDSS J053843.72+622214.7, Gaia EDR3 286251461381258624, WDJ053843.72+622214.85

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 05 38 43.74 (0.09) 05 38 43.74 05 38 43.74 05 38 43.72 (0.09) 05 38 43.74
Declination 62 22 14.61 (0.09) 62 22 14.62 62 22 14.61 62 22 14.85 (0.09) 62 22 14.62
Spectral type DA DA DA DA DA
Effective temperature [K] 6601.0 (41) 6371.0 (37) 6602.0 (41) 6479.0 6252.0 6607.0 (105)
log(g) [cgs] 8.02 (0.02) 7.96 (0.03) 8.04 (0.03) 8.00 7.88 8.03 (0.03)
Mass [M] 0.604 (0.02) 0.566 (0.02) 0.616 (0.02) 0.59 0.501 0.611 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.8900 1.8440 1.7960
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] 10.45 (0.2) 10.58 (0.2) 10.58 (0.2) 10.45 10.45 (0.2) 10.58 (0.2)
Distance [pc] 95.70 (2) 94.52 (2) 94.49 (2) 95.70 95.70 (2) 94.49 (2)
Composition H H
Proper motion (right ascension) [mas/yr] 10.04896071 (0.1) 10.36906983 (0.2) 10.049 (0.1) 10.36906983
Proper motion (declination) [mas/yr] -14.6083165 (0.1) -14.81261804 (0.3) -14.608 (0.1) -14.81261804
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.63 (0.04) 19.47 (0.03) 19.47 (0.03)
g magnitude 18.87 (0.008) 18.87 (0.008)
r magnitude 18.60 (0.009) 18.60 (0.009)
i magnitude 18.42 (0.01) 18.42 (0.01)
z magnitude 18.59 (0.03) 18.59 (0.03)
G magnitude 18.59 (0.01) 18.61 18.59 18.59 (0.003) 18.61
BP magnitude 18.86 (0.01) 18.83 18.83
RP magnitude 18.24 (0.02) 18.23 18.23
Pan g magnitude 18.85 (0.005) 18.85 (0.004)
Pan r magnitude 18.60 (0.01) 18.60 (0.01)
Pan i magnitude 18.53 (0.01) 18.53 (0.01)
Pan z magnitude 18.56 (0.01) 18.56 (0.008)
Pan y magnitude 18.56 (0.03) 18.56 (0.03)
E(B-V) 0.003

* 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.