Gaia DR2 4583221109793391232

All names: Gaia EDR3 4583221109793391232, Gaia DR3 4583221109793391232, WDJ180645.53+273147.52, Gaia DR2 4583221109793391232, GALEX J180645.5+273148

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 18 06 45.56 (0.03) 18 06 45.56 18 06 45.56 18 06 45.53 (0.03) 18 06 45.56
Declination 27 31 48.17 (0.04) 27 31 48.15 27 31 48.17 27 31 47.52 (0.04) 27 31 48.15
Spectral type DA DA
Effective temperature [K] 6323.0 6070.0 6609.0 (35)
log(g) [cgs] 8.01 7.86 8.11 (0.01)
Mass [M] 0.592 0.491 0.659 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 1.9770 1.9220
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 24.92 (0.05) 24.84 (0.06) 24.92 24.92 (0.05) 24.84 (0.06)
Distance [pc] 40.13 (0.07) 40.25 (0.1) 40.13 40.13 (0.07) 40.25 (0.1)
Composition
Proper motion (right ascension) [mas/yr] 21.10558157 (0.04) 21.10126269 (0.08) 21.106 (0.04) 21.10126269
Proper motion (declination) [mas/yr] 40.65956392 (0.05) 40.66121142 (0.09) 40.66 (0.05) 40.66121142
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 16.84 (0.004) 16.85 16.84 16.84 (0.003) 16.85
BP magnitude 17.09 (0.004) 17.10 17.10
RP magnitude 16.43 (0.004) 16.43 16.43
Pan g magnitude 17.11 (0.002)
Pan r magnitude 16.86 (0.002)
Pan i magnitude 16.77 (0.002)
Pan z magnitude 16.77 (0.007)
Pan y magnitude 16.77 (0.004)
E(B-V) 0.003

* 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.