Gaia DR2 3693624423762089216

All names: Gaia DR3 3693624423762089216, Gaia EDR3 3693624423762089216, SDSS J122822.89-024737.1, GALEX J122822.8-024737, Gaia DR2 3693624423762089216, WDJ122822.88-024737.07, SDSS J122822.88-024737.1, J1228-0247

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 12 28 22.83 (0.09) 12 28 22.83 12 28 22.83 12 28 22.88 (0.09) 12 28 22.83
Declination -02 47 37.35 (0.07) -02 47 37.35 -02 47 37.35 -02 47 37.07 (0.07) -02 47 37.35
Spectral type DA DA DA DA DA
Effective temperature [K] 7361.0 (58) 7383.0 (47) 7363.0 (58) 7430.0 7157.0 7563.0 (108)
log(g) [cgs] 8.02 (0.01) 8.01 (0.02) 7.99 (0.02) 8.01 7.90 8.08 (0.03)
Mass [M] 0.605 (0.01) 0.599 (0.01) 0.589 (0.01) 0.601 0.518 0.645 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.3900 1.3280 1.2960
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] 12.95 (0.1) 12.73 (0.1) 12.73 (0.1) 12.95 12.95 (0.1) 12.73 (0.1)
Distance [pc] 77.21 (0.6) 78.55 (0.9) 78.57 (0.9) 77.21 77.21 (0.6) 78.57 (0.9)
Composition H H
Proper motion (right ascension) [mas/yr] -54.9363176 (0.1) -54.84956939 (0.3) -54.936 (0.1) -54.84956939
Proper motion (declination) [mas/yr] -17.84743811 (0.09) -17.66074828 (0.2) -17.847 (0.1) -17.66074828
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.17 (0.02)
H magnitude 16.98 (0.03)
K magnitude 16.91 (0.05)
u magnitude 18.41 (0.01) 18.41 (0.01) 18.41 (0.01)
g magnitude 17.86 (0.006) 17.86 (0.006)
r magnitude 17.73 (0.006) 17.73 (0.006)
i magnitude 17.71 (0.007) 17.71 (0.007)
z magnitude 17.80 (0.02) 17.80 (0.02)
G magnitude 17.71 (0.01) 17.74 17.71 17.71 (0.003) 17.74
BP magnitude 17.88 (0.01) 17.87 17.87
RP magnitude 17.42 (0.01) 17.40 17.40
Pan g magnitude 17.86 (0.007) 17.86 (0.007)
Pan r magnitude 17.74 (0.004) 17.74 (0.005)
Pan i magnitude 17.74 (0.005) 17.74 (0.004)
Pan z magnitude 17.80 (0.007) 17.80 (0.007)
Pan y magnitude 17.86 (0.01) 17.86 (0.02)
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.