Gaia DR2 4225022825872950528

All names: Gaia EDR3 4225022825872950528, Gaia DR2 4225022825872950528, WDJ204246.86-025646.22, WDJ204246.86-025646.23, Gaia DR3 4225022825872950528

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 42 46.87 (0.06) 20 42 46.87 20 42 46.87 20 42 46.87 (0.06) 20 42 46.87
Declination -02 56 46.26 (0.04) -02 56 46.26 -02 56 46.26 -02 56 46.23 (0.04) -02 56 46.26
Spectral type DA DA
Effective temperature [K] 9030.0 8871.0 9259.0 (92)
log(g) [cgs] 7.96 7.88 8.05 (0.02)
Mass [M] 0.575 0.51 0.626 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.7449 0.7302
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.86 (0.08) 11.66 (0.1) 11.86 11.86 (0.08) 11.66 (0.1)
Distance [pc] 84.29 (0.6) 85.80 (0.7) 84.29 84.29 (0.6) 85.80 (0.7)
Composition
Proper motion (right ascension) [mas/yr] 4.370499851 (0.08) 4.746020538 (0.2) 4.37 (0.08) 4.746020538
Proper motion (declination) [mas/yr] -2.40896612 (0.06) -2.245571588 (0.1) -2.409 (0.06) -2.245571588
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 17.12 (0.006) 17.14 17.12 17.12 (0.003) 17.14
BP magnitude 17.21 (0.006) 17.20 17.20
RP magnitude 17.00 (0.007) 16.99 16.99
Pan g magnitude 17.18 (0.006)
Pan r magnitude 17.20 (0.003)
Pan i magnitude 17.30 (0.003)
Pan z magnitude 17.42 (0.006)
Pan y magnitude 17.51 (0.008)
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.