Gaia DR2 2193418533689879936

All names: Gaia DR2 2193418533689879936, WDJ204631.67+583616.98, Gaia EDR3 2193418533689879936, WDJ204631.67+583616.99, Gaia DR3 2193418533689879936

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 20 46 31.78 (0.09) 20 46 31.78 20 46 31.78 20 46 31.67 (0.09) 20 46 31.78
Declination 58 36 18.16 (0.09) 58 36 18.12 58 36 18.16 58 36 16.99 (0.09) 58 36 18.12
Spectral type DA DA
Effective temperature [K] 7935.0 7666.0 8058.0 (131)
log(g) [cgs] 7.99 7.88 8.03 (0.03)
Mass [M] 0.586 0.509 0.611 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.0750 1.0700
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.21 (0.1) 10.12 (0.1) 10.21 10.21 (0.1) 10.12 (0.1)
Distance [pc] 97.98 (0.9) 98.80 (1) 97.98 97.98 (0.9) 98.80 (1)
Composition
Proper motion (right ascension) [mas/yr] 54.47724638 (0.1) 54.83685527 (0.2) 54.477 (0.1) 54.83685527
Proper motion (declination) [mas/yr] 73.16260181 (0.1) 73.25059073 (0.2) 73.163 (0.1) 73.25059073
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 17.91 (0.009) 17.94 17.91 17.91 (0.003) 17.94
BP magnitude 18.07 (0.009) 18.06 18.06
RP magnitude 17.67 (0.01) 17.67 17.67
Pan g magnitude 18.04 (0.006)
Pan r magnitude 17.98 (0.006)
Pan i magnitude 18.01 (0.006)
Pan z magnitude 18.10 (0.007)
Pan y magnitude 18.14 (0.02)
E(B-V) 0.007

* 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.