Gaia DR2 2278769532541423616

All names: WDJ205210.73+772721.60, Gaia DR3 2278769532541423616, WDJ205210.73+772721.59, Gaia EDR3 2278769532541423616, Gaia DR2 2278769532541423616

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 52 10.48 (0.2) 20 52 10.49 20 52 10.48 20 52 10.73 (0.2) 20 52 10.49
Declination 77 27 20.29 (0.2) 77 27 20.33 77 27 20.29 77 27 21.60 (0.2) 77 27 20.33
Spectral type DA: DA
Effective temperature [K] 5025.0 4708.0 5028.0 (113)
log(g) [cgs] 7.96 7.74 7.89 (0.06)
Mass [M] 0.557 0.424 0.514 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 5.0710 3.9210
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.95 (0.2) 13.27 (0.3) 12.95 12.95 (0.2) 13.27 (0.3)
Distance [pc] 77.19 (1) 75.34 (2) 77.19 77.19 (1) 75.34 (2)
Composition
Proper motion (right ascension) [mas/yr] -51.23438092 (0.2) -51.40412183 (0.4) -51.234 (0.2) -51.40412183
Proper motion (declination) [mas/yr] -81.99032208 (0.3) -81.73822694 (0.5) -81.99 (0.3) -81.73822694
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 19.16 (0.04) 19.19 19.16 19.16 (0.004) 19.19
BP magnitude 19.65 (0.04) 19.56 19.56
RP magnitude 18.54 (0.02) 18.47 18.47
Pan g magnitude 19.74 (0.01)
Pan r magnitude 19.14 (0.01)
Pan i magnitude 18.89 (0.007)
Pan z magnitude 18.80 (0.02)
Pan y magnitude 18.78 (0.03)
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.