Gaia DR2 2266154698195732992

All names: WDJ184722.18+730449.66, Gaia DR2 2266154698195732992, GALEX J184722.2+730450, Gaia DR3 2266154698195732992, WDJ184722.18+730449.65, Gaia EDR3 2266154698195732992

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 47 22.53 (0.1) 18 47 22.52 18 47 22.53 18 47 22.18 (0.1) 18 47 22.52
Declination 73 04 50.95 (0.1) 73 04 50.91 73 04 50.95 73 04 49.66 (0.1) 73 04 50.91
Spectral type DA DA
Effective temperature [K] 6575.0 6343.0 6619.0 (111)
log(g) [cgs] 7.99 7.87 8.02 (0.03)
Mass [M] 0.584 0.495 0.603 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.7440 1.7020
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.21 (0.1) 12.19 (0.1) 12.21 12.21 (0.1) 12.19 (0.1)
Distance [pc] 81.92 (0.7) 82.00 (0.8) 81.92 81.92 (0.7) 82.00 (0.8)
Composition
Proper motion (right ascension) [mas/yr] 97.67313699 (0.1) 97.49665696 (0.2) 97.673 (0.1) 97.49665696
Proper motion (declination) [mas/yr] 80.9818117 (0.1) 81.07908081 (0.3) 80.982 (0.1) 81.07908081
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 18.22 (0.02) 18.24 18.22 18.22 (0.003) 18.24
BP magnitude 18.51 (0.02) 18.46 18.46
RP magnitude 17.86 (0.02) 17.85 17.85
Pan g magnitude 18.45 (0.007)
Pan r magnitude 18.23 (0.005)
Pan i magnitude 18.16 (0.005)
Pan z magnitude 18.18 (0.005)
Pan y magnitude 18.22 (0.03)
E(B-V) 0.008

* 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.