Gaia DR2 2283760245882786560

All names: Gaia DR3 2283760245882786560, GALEX J214450.6+771436, Gaia EDR3 2283760245882786560, WDJ214450.24+771436.95, Gaia DR2 2283760245882786560

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 21 44 50.78 (0.1) 21 44 50.77 21 44 50.78 21 44 50.24 (0.1) 21 44 50.77
Declination 77 14 36.98 (0.1) 77 14 36.98 77 14 36.98 77 14 36.95 (0.1) 77 14 36.98
Spectral type DQ DA
Effective temperature [K] 5473.0 5226.0 6471.0 (42)
log(g) [cgs] 7.82 7.64 8.22 (0.01)
Mass [M] 0.484 0.378 0.71 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 2.2450 2.5050
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.65 (0.1) 14.48 (0.1) 14.65 14.65 (0.1) 14.48 (0.1)
Distance [pc] 68.25 (0.5) 69.04 (0.6) 68.25 68.25 (0.5) 69.04 (0.6)
Composition
Proper motion (right ascension) [mas/yr] 112.6648591 (0.1) 112.6904689 (0.2) 112.665 (0.1) 112.6904689
Proper motion (declination) [mas/yr] 1.939949884 (0.1) 1.809897204 (0.2) 1.94 (0.1) 1.809897204
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 18.33 (0.03) 18.36 18.33 18.33 (0.004) 18.36
BP magnitude 18.65 (0.03) 18.59 18.59
RP magnitude 17.84 (0.02) 17.80 17.80
Pan g magnitude 18.88 (0.02)
Pan r magnitude 18.26 (0.003)
Pan i magnitude 18.09 (0.006)
Pan z magnitude 18.19 (0.02)
Pan y magnitude 18.25 (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.