Gaia DR2 4523862325302052736

All names: Gaia DR3 4523862325302052736, Gaia DR2 4523862325302052736, WDJ182211.73+191859.91, Gaia EDR3 4523862325302052736, GALEX J182211.7+191901

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 22 11.68 (0.05) 18 22 11.68 18 22 11.68 18 22 11.73 (0.05) 18 22 11.68
Declination 19 19 02.99 (0.08) 19 19 02.89 19 19 02.99 19 18 59.91 (0.08) 19 19 02.89
Spectral type DQ D
Effective temperature [K] 7896.0 7644.0 7829.0 (71)
log(g) [cgs] 7.99 7.90 7.88 (0.02)
Mass [M] 0.589 0.515 0.505 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.0970 1.0930
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.59 (0.1) 10.61 (0.1) 10.59 10.59 (0.1) 10.61 (0.1)
Distance [pc] 94.46 (0.9) 94.25 (1) 94.46 94.46 (0.9) 94.25 (1)
Composition
Proper motion (right ascension) [mas/yr] -45.88600713 (0.07) -45.91451943 (0.2) -45.886 (0.07) -45.91451943
Proper motion (declination) [mas/yr] 192.0786118 (0.1) 192.0795929 (0.3) 192.079 (0.1) 192.0795929
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 17.87 (0.008) 17.89 17.87 17.87 (0.003) 17.89
BP magnitude 17.96 (0.008) 17.94 17.94
RP magnitude 17.63 (0.01) 17.61 17.61
Pan g magnitude 17.94 (0.004)
Pan r magnitude 17.90 (0.002)
Pan i magnitude 17.98 (0.01)
Pan z magnitude 18.04 (0.01)
Pan y magnitude 18.00 (0.02)
E(B-V) 0.024

* 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.