Gaia DR2 918648974394418816

All names: 2MASS J08355684+4718453, WDJ083556.88+471845.81, Gaia DR3 918648974394418816, Gaia EDR3 918648974394418816, SDSS J083556.87+471845.8, SDSS J083556.87+471845.7, WDJ083556.88+471845.80, US 1287, J0835+4718, TIC 355124548, Gaia DR2 918648974394418816

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 08 35 56.81 (0.09) 08 35 56.81 08 35 56.81 08 35 56.88 (0.09) 08 35 56.81
Declination 47 18 45.23 (0.08) 47 18 45.25 47 18 45.23 47 18 45.81 (0.08) 47 18 45.25
Spectral type DA DA DA DA DA
Effective temperature [K] 6570.0 (30) 6570.0 (28) 6571.0 (30) 6485.0 6242.0 6634.0 (82)
log(g) [cgs] 7.96 (0.01) 7.97 (0.02) 7.96 (0.02) 7.93 7.80 7.99 (0.03)
Mass [M] 0.567 (0.01) 0.576 (0.01) 0.569 (0.01) 0.551 0.459 0.583 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.7800 1.6580 1.6300
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] 14.68 (0.1) 14.71 (0.2) 14.71 (0.2) 14.68 14.68 (0.1) 14.71 (0.2)
Distance [pc] 68.14 (0.6) 67.98 (0.8) 67.98 (0.8) 68.14 68.14 (0.6) 67.98 (0.8)
Composition H H
Proper motion (right ascension) [mas/yr] -44.14375423 (0.1) -43.96854016 (0.2) -44.144 (0.1) -43.96854016
Proper motion (declination) [mas/yr] -35.80569433 (0.1) -35.79605632 (0.2) -35.806 (0.1) -35.79605632
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.30
V magnitude
R magnitude
I magnitude
J magnitude 17.04 (0.03) 16.66 (0.2)
H magnitude
K magnitude
u magnitude 18.71 (0.02) 18.67 (0.02) 18.67 (0.02)
g magnitude 18.04 (0.006) 18.04 (0.006)
r magnitude 17.79 (0.006) 17.79 (0.006)
i magnitude 17.70 (0.007) 17.70 (0.007)
z magnitude 17.72 (0.02) 17.72 (0.02)
G magnitude 17.79 (0.009) 17.81 17.79 17.79 (0.003) 17.81
BP magnitude 18.02 (0.009) 18.03 18.03
RP magnitude 17.40 (0.008) 17.41 17.41
Pan g magnitude 18.03 (0.004) 18.03 (0.004)
Pan r magnitude 17.80 (0.004) 17.80 (0.005)
Pan i magnitude 17.73 (0.005) 17.73 (0.005)
Pan z magnitude 17.74 (0.006) 17.74 (0.006)
Pan y magnitude 17.76 (0.02) 17.76 (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.