Gaia DR2 2031915703142397824

All names: WDJ194740.63+295332.17, WDJ194740.63+295332.18, Gaia EDR3 2031915703142397824, Gaia DR3 2031915703142397824, Gaia DR2 2031915703142397824

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 19 47 40.45 (0.06) 19 47 40.46 19 47 40.45 19 47 40.63 (0.06) 19 47 40.46
Declination 29 53 32.65 (0.07) 29 53 32.63 29 53 32.65 29 53 32.18 (0.07) 29 53 32.63
Spectral type DA DA
Effective temperature [K] 7506.0 7238.0 7438.0 (93)
log(g) [cgs] 7.95 7.84 7.93 (0.03)
Mass [M] 0.564 0.484 0.554 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.1850 1.1690
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.68 (0.09) 11.57 (0.1) 11.68 11.68 (0.09) 11.57 (0.1)
Distance [pc] 85.65 (0.7) 86.43 (0.9) 85.65 85.65 (0.7) 86.43 (0.9)
Composition
Proper motion (right ascension) [mas/yr] -141.625483 (0.09) -141.959728 (0.2) -141.625 (0.09) -141.959728
Proper motion (declination) [mas/yr] 29.47941126 (0.1) 29.28277126 (0.2) 29.479 (0.1) 29.28277126
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 17.76 (0.006) 17.78 17.76 17.76 (0.003) 17.78
BP magnitude 17.94 (0.006) 17.90 17.90
RP magnitude 17.51 (0.007) 17.44 17.44
Pan g magnitude 17.93 (0.003)
Pan r magnitude 17.83 (0.004)
Pan i magnitude 17.84 (0.005)
Pan z magnitude 17.90 (0.005)
Pan y magnitude 17.94 (0.02)
E(B-V) 0.011

* 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.