Gaia DR2 341432690100603904

All names: Gaia EDR3 341432690100603904, Gaia DR3 341432690100603904, WDJ022742.58+442444.25, SDSS J022742.57+442444.1, LAMOST J022742.56+442443.6, GALEX J022742.6+442443, J0227+4424, Gaia DR2 341432690100603904, SDSS J022742.58+442444.1, LAMOST J022742.60+442444.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Guo et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 02 27 42.56 (0.04) 02 27 42.56 02 27 42.56 02 27 42.58 (0.04) 02 27 42.56
Declination 44 24 43.54 (0.04) 44 24 43.56 44 24 43.54 44 24 44.25 (0.04) 44 24 43.56
Spectral type DAH: DA DA DA DA
Effective temperature [K] 14444.0 (106) 14437.0 (104) 13498.0 14459.0 15935.0 (356) 15106.0 (211)
log(g) [cgs] 7.98 (0.007) 8.01 (0.01) 7.94 8.03 8.16 (0.06) 8.03 (0.01)
Mass [M] 0.602 (0.006) 0.616 (0.008) 0.574 0.607 0.71 (0.04) 0.632 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.2471 0.2349
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] 12.48 (0.05) 12.70 (0.09) 12.48 12.48 (0.05) 12.70 (0.09)
Distance [pc] 80.10 (0.3) 78.76 (0.6) 80.10 80.10 (0.3) 78.76 (0.6)
Composition H
Proper motion (right ascension) [mas/yr] -17.83591131 (0.05) -17.88359386 (0.1) -17.836 (0.05) -17.88359386
Proper motion (declination) [mas/yr] -44.84548376 (0.05) -44.728278 (0.1) -44.845 (0.05) -44.728278
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.05 (0.005) 16.05 (0.005)
g magnitude 15.72 (0.003) 15.72 (0.003)
r magnitude 16.00 (0.003) 16.00 (0.003)
i magnitude 16.27 (0.004) 16.27 (0.004)
z magnitude 16.54 (0.008) 16.54 (0.008)
G magnitude 15.87 (0.002) 15.90 15.87 15.87 (0.003) 15.90
BP magnitude 15.85 (0.002) 15.83 15.83
RP magnitude 15.97 (0.005) 15.98 15.98
Pan g magnitude 15.80 (0.002)
Pan r magnitude 16.02 (0.005)
Pan i magnitude 16.28 (0.003)
Pan z magnitude 16.50 (0.004)
Pan y magnitude 16.68 (0.008)
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.