Gaia DR2 2250343510539247488

All names: WDJ202347.58+692541.88, USNO-B1.0 1594-00164190, Gaia DR2 2250343510539247488, LSPM J2023+6925, WDJ202347.58+692541.87, Gaia DR3 2250343510539247488, Gaia EDR3 2250343510539247488

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 23 47.54 (0.2) 20 23 47.55 20 23 47.54 20 23 47.59 (0.2) 20 23 47.55
Declination 69 25 44.46 (0.2) 69 25 44.38 69 25 44.46 69 25 41.89 (0.2) 69 25 44.38
Spectral type DA: DA
Effective temperature [K] 5128.0 4819.0 5338.0 (120)
log(g) [cgs] 7.92 7.71 8.00 (0.06)
Mass [M] 0.534 0.406 0.583 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 4.0430 3.3970
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.72 (0.2) 12.07 (0.3) 11.72 11.72 (0.2) 12.07 (0.3)
Distance [pc] 85.29 (1) 82.88 (2) 85.29 85.29 (1) 82.88 (2)
Composition
Proper motion (right ascension) [mas/yr] -13.68227515 (0.2) -12.93285426 (0.5) -13.682 (0.2) -12.93285426
Proper motion (declination) [mas/yr] 160.2864515 (0.2) 161.1120458 (0.6) 160.286 (0.2) 161.1120458
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.50
V magnitude
R magnitude 19.20
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.23 (0.04) 19.26 19.23 19.23 (0.004) 19.26
BP magnitude 19.73 (0.04) 19.70 19.70
RP magnitude 18.64 (0.03) 18.55 18.55
Pan g magnitude 19.77 (0.02)
Pan r magnitude 19.19 (0.007)
Pan i magnitude 18.97 (0.01)
Pan z magnitude 18.86 (0.01)
Pan y magnitude 18.90 (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.