Gaia DR2 3410496365678521216

All names: WDJ04385.11+185834.91, Gaia DR3 3410496365678521216, Gaia EDR3 3410496365678521216, SDSS J043805.18+185834.6, LSPM J0438+1858, WDJ043805.11+185834.91, Gaia DR2 3410496365678521216, USNO-B1.0 1089-00053606

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 04 38 05.31 (0.2) 04 38 05.30 04 38 05.31 04 38 05.11 (0.2) 04 38 05.30
Declination 18 58 34.30 (0.1) 18 58 34.32 18 58 34.30 18 58 34.92 (0.1) 18 58 34.32
Spectral type DZ: DZ: D
Effective temperature [K] 5638.0 (58) 6312.0 6081.0 5759.0 (120)
log(g) [cgs] 8.14 (0.03) 8.42 8.30 8.21 (0.04)
Mass [M] 0.658 (0.03) 0.861 0.768 0.701 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 4.4130 4.5250
log(H/He)
log(C/He)
log(Ca/He) -11.0
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 12.71 (0.2) 12.85 (0.3) 12.71 12.71 (0.2) 12.85 (0.3)
Distance [pc] 78.66 (1) 77.84 (2) 78.66 78.66 (1) 77.84 (2)
Composition He
Proper motion (right ascension) [mas/yr] 174.4644093 (0.3) 174.5207582 (0.5) 174.464 (0.3) 174.5207582
Proper motion (declination) [mas/yr] -38.77077791 (0.2) -38.28567389 (0.4) -38.771 (0.2) -38.28567389
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.80
V magnitude
R magnitude 19.20
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.34 (0.05) 20.34 (0.05)
g magnitude 19.29 (0.01) 19.29 (0.01)
r magnitude 18.75 (0.009) 18.75 (0.009)
i magnitude 18.66 (0.01) 18.66 (0.01)
z magnitude 18.82 (0.03) 18.82 (0.03)
G magnitude 18.84 (0.04) 18.87 18.84 18.84 (0.004) 18.87
BP magnitude 19.16 (0.04) 19.20 19.20
RP magnitude 18.43 (0.03) 18.43 18.43
Pan g magnitude 19.22 (0.009)
Pan r magnitude 18.80 (0.005)
Pan i magnitude 18.78 (0.009)
Pan z magnitude 18.94 (0.03)
Pan y magnitude 18.86 (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.