Gaia DR2 4589281235629827584

All names: Gaia DR3 4589281235629827584, Gaia DR2 4589281235629827584, GALEX J181124.9+281428, Gaia EDR3 4589281235629827584, WDJ181124.99+281428.63, WDJ181124.99+281428.62

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 18 11 24.93 (0.06) 18 11 24.93 18 11 24.93 18 11 24.99 (0.06) 18 11 24.93
Declination 28 14 29.49 (0.08) 28 14 29.47 28 14 29.49 28 14 28.63 (0.08) 28 14 29.47
Spectral type DA: DA
Effective temperature [K] 9242.0 8932.0 9471.0 (180)
log(g) [cgs] 8.65 8.57 8.71 (0.03)
Mass [M] 1.015 0.951 1.046 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 2.3890 2.2990
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.99 (0.09) 12.83 (0.1) 12.99 12.99 (0.09) 12.83 (0.1)
Distance [pc] 76.98 (0.5) 77.93 (0.7) 76.98 76.98 (0.5) 77.93 (0.7)
Composition
Proper motion (right ascension) [mas/yr] -50.3614328 (0.08) -50.18746828 (0.2) -50.361 (0.08) -50.18746828
Proper motion (declination) [mas/yr] 54.21115421 (0.1) 54.18649971 (0.2) 54.211 (0.1) 54.18649971
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.97 (0.01) 17.99 17.97 17.97 (0.003) 17.99
BP magnitude 18.05 (0.01) 18.05 18.05
RP magnitude 17.84 (0.01) 17.83 17.83
Pan g magnitude 18.01 (0.004)
Pan r magnitude 18.05 (0.004)
Pan i magnitude 18.13 (0.003)
Pan z magnitude 18.27 (0.005)
Pan y magnitude 18.37 (0.02)
E(B-V) 0.017

* 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.