Gaia DR2 988155392218069248

All names: WDJ071730.59+553713.29, Gaia DR3 988155392218069248, GALEX J071730.6+553713, Gaia EDR3 988155392218069248, Gaia DR2 988155392218069248

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 07 17 30.62 (0.06) 07 17 30.62 07 17 30.62 07 17 30.59 (0.06) 07 17 30.62
Declination 55 37 12.32 (0.05) 55 37 12.35 55 37 12.32 55 37 13.30 (0.05) 55 37 12.35
Spectral type DC: D
Effective temperature [K] 6884.0 6625.0 6351.0 (77)
log(g) [cgs] 8.22 8.11 8.02 (0.02)
Mass [M] 0.73 0.64 0.585 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 2.4150 2.2220
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 20.80 (0.07) 20.74 (0.09) 20.80 20.80 (0.07) 20.74 (0.09)
Distance [pc] 48.08 (0.2) 48.23 (0.2) 48.08 48.08 (0.2) 48.23 (0.2)
Composition
Proper motion (right ascension) [mas/yr] 12.75877329 (0.06) 12.85256244 (0.2) 12.759 (0.06) 12.85256244
Proper motion (declination) [mas/yr] -61.21013165 (0.05) -61.06875685 (0.1) -61.21 (0.05) -61.06875685
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 17.21 (0.007) 17.23 17.21 17.21 (0.003) 17.23
BP magnitude 17.42 (0.007) 17.42 17.42
RP magnitude 16.87 (0.008) 16.88 16.88
Pan g magnitude 17.42 (0.002)
Pan r magnitude 17.24 (0.004)
Pan i magnitude 17.21 (0.003)
Pan z magnitude 17.25 (0.004)
Pan y magnitude 17.26 (0.006)
E(B-V) 0.001

* 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.