Gaia DR2 2283937679572043904

All names: WDJ220954.47+773356.70, Gaia DR3 2283937679572043904, GALEX J220954.4+773355, WDJ220954.47+773356.69, Gaia DR2 2283937679572043904, Gaia EDR3 2283937679572043904

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 22 09 54.23 (0.07) 22 09 54.24 22 09 54.23 22 09 54.47 (0.07) 22 09 54.24
Declination 77 33 55.19 (0.07) 77 33 55.23 77 33 55.19 77 33 56.70 (0.07) 77 33 55.23
Spectral type DA DA
Effective temperature [K] 8767.0 8486.0 8853.0 (153)
log(g) [cgs] 8.39 8.31 8.39 (0.03)
Mass [M] 0.847 0.773 0.848 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.6680 1.5830
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.57 (0.08) 12.62 (0.1) 12.57 12.57 (0.08) 12.62 (0.1)
Distance [pc] 79.53 (0.5) 79.23 (0.6) 79.53 79.53 (0.5) 79.23 (0.6)
Composition
Proper motion (right ascension) [mas/yr] -47.75056704 (0.09) -47.75816436 (0.2) -47.751 (0.09) -47.75816436
Proper motion (declination) [mas/yr] -94.34058715 (0.09) -94.22651783 (0.2) -94.341 (0.09) -94.22651783
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 17.70 (0.009) 17.73 17.70 17.70 (0.003) 17.73
BP magnitude 17.79 (0.009) 17.77 17.77
RP magnitude 17.52 (0.01) 17.55 17.55
Pan g magnitude 17.79 (0.003)
Pan r magnitude 17.78 (0.004)
Pan i magnitude 17.86 (0.005)
Pan z magnitude 17.98 (0.009)
Pan y magnitude 18.06 (0.02)
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.