Gaia DR2 1831139962120557568

All names: Gaia DR3 1831139962120557568, Gaia DR2 1831139962120557568, Gaia EDR3 1831139962120557568, WDJ202555.47+232534.14, WDJ202555.47+232534.15

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 25 55.56 (0.1) 20 25 55.55 20 25 55.56 20 25 55.47 (0.1) 20 25 55.55
Declination 23 25 33.97 (0.1) 23 25 33.97 23 25 33.97 23 25 34.15 (0.1) 23 25 33.97
Spectral type DC: DA
Effective temperature [K] 7354.0 7083.0 6790.0 (186)
log(g) [cgs] 8.53 8.44 8.27 (0.04)
Mass [M] 0.937 0.863 0.746 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 3.5200 3.4300
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.72 (0.2) 12.28 (0.3) 11.72 11.72 (0.2) 12.28 (0.3)
Distance [pc] 85.32 (1) 81.40 (2) 85.32 85.32 (1) 81.40 (2)
Composition
Proper motion (right ascension) [mas/yr] 74.47231404 (0.2) 73.51641641 (0.4) 74.472 (0.2) 73.51641641
Proper motion (declination) [mas/yr] -11.53282319 (0.1) -11.462826 (0.3) -11.533 (0.1) -11.462826
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 18.60 (0.01) 18.62 18.60 18.60 (0.003) 18.62
BP magnitude 18.76 (0.01) 18.71 18.71
RP magnitude 18.31 (0.02) 18.22 18.22
Pan g magnitude 18.79 (0.006)
Pan r magnitude 18.65 (0.006)
Pan i magnitude 18.66 (0.01)
Pan z magnitude 18.70 (0.02)
Pan y magnitude 18.77 (0.02)
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.