Gaia DR2 353917571618022784

All names: SDSS J021802.25+464843.1, Gaia EDR3 353917571618022784, SDSS J021802.26+464843.1, WDJ02182.23+464843.07, WDJ021802.23+464843.08, J0218+4648, Gaia DR3 353917571618022784, Gaia DR2 353917571618022784

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 02 18 02.38 (0.06) 02 18 02.38 02 18 02.38 02 18 02.23 (0.06) 02 18 02.38
Declination 46 48 43.18 (0.09) 46 48 43.17 46 48 43.18 46 48 43.08 (0.09) 46 48 43.17
Spectral type DA DA DA DA DA
Effective temperature [K] 7212.0 (60) 7368.0 (54) 7212.0 (60) 7114.0 6854.0 7257.0 (90)
log(g) [cgs] 7.97 (0.02) 8.02 (0.02) 7.96 (0.02) 7.93 7.81 8.01 (0.02)
Mass [M] 0.576 (0.01) 0.603 (0.01) 0.567 (0.01) 0.55 0.466 0.596 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.4100 1.3160 1.2910
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] 13.07 (0.1) 12.94 (0.1) 12.94 (0.1) 13.07 13.07 (0.1) 12.94 (0.1)
Distance [pc] 76.50 (0.6) 77.28 (0.8) 77.26 (0.8) 76.50 76.50 (0.6) 77.26 (0.8)
Composition H H
Proper motion (right ascension) [mas/yr] 98.38804994 (0.1) 98.59647331 (0.2) 98.388 (0.1) 98.59647331
Proper motion (declination) [mas/yr] 6.091066108 (0.1) 6.353283112 (0.2) 6.091 (0.1) 6.353283112
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.16 (0.03)
H magnitude
K magnitude
u magnitude 18.37 (0.01) 18.39 (0.01) 18.39 (0.01)
g magnitude 17.90 (0.006) 17.90 (0.006)
r magnitude 17.75 (0.006) 17.75 (0.006)
i magnitude 17.70 (0.007) 17.70 (0.007)
z magnitude 17.77 (0.02) 17.77 (0.02)
G magnitude 17.71 (0.008) 17.73 17.71 17.71 (0.003) 17.73
BP magnitude 17.89 (0.008) 17.89 17.89
RP magnitude 17.42 (0.01) 17.40 17.40
Pan g magnitude 17.89 (0.009) 17.89 (0.009)
Pan r magnitude 17.72 (0.004) 17.72 (0.004)
Pan i magnitude 17.72 (0.01) 17.72 (0.009)
Pan z magnitude 17.78 (0.006) 17.78 (0.008)
Pan y magnitude 17.80 (0.01) 17.80 (0.01)
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.