Gaia DR2 1862052942010171648

All names: Gaia DR2 1862052942010171648, WDJ20218.69+312834.44, WDJ202108.69+312834.45, Gaia DR3 1862052942010171648, Gaia EDR3 1862052942010171648

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 21 08.72 (0.02) 20 21 08.72 20 21 08.72 20 21 08.69 (0.02) 20 21 08.72
Declination 31 28 34.76 (0.03) 31 28 34.75 31 28 34.76 31 28 34.45 (0.03) 31 28 34.75
Spectral type DA DA
Effective temperature [K] 9135.0 8999.0 9074.0 (54)
log(g) [cgs] 8.00 7.93 7.98 (0.01)
Mass [M] 0.6 0.537 0.585 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.7663 0.7466
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 17.56 (0.04) 17.59 (0.05) 17.56 17.56 (0.04) 17.59 (0.05)
Distance [pc] 56.96 (0.1) 56.84 (0.2) 56.96 56.96 (0.1) 56.84 (0.2)
Composition
Proper motion (right ascension) [mas/yr] 25.75027393 (0.03) 25.62567373 (0.07) 25.75 (0.03) 25.62567373
Proper motion (declination) [mas/yr] 19.52410835 (0.04) 19.43162628 (0.1) 19.524 (0.04) 19.43162628
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.63 (0.007)
g magnitude 16.24 (0.003)
r magnitude 16.34 (0.004)
i magnitude 16.37 (0.004)
z magnitude 16.47 (0.008)
G magnitude 16.23 (0.002) 16.25 16.23 16.23 (0.003) 16.25
BP magnitude 16.32 (0.002) 16.31 16.31
RP magnitude 16.09 (0.003) 16.10 16.10
Pan g magnitude 16.29 (0.004)
Pan r magnitude 16.33 (0.007)
Pan i magnitude 16.44 (0.004)
Pan z magnitude 16.56 (0.005)
Pan y magnitude 16.64 (0.005)
E(B-V) 0.005

* 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.