Gaia DR2 6676817452395312256

All names: Gaia DR2 6676817452395312256, WDJ204927.33-432845.82, Gaia DR3 6676817452395312256, Gaia EDR3 6676817452395312256, GALEX J204927.3-432846, WDJ204927.33-432845.81

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 20 49 27.42 (0.08) 20 49 27.41 20 49 27.42 20 49 27.33 (0.08) 20 49 27.41
Declination -43 28 47.27 (0.05) -43 28 47.22 -43 28 47.27 -43 28 45.82 (0.05) -43 28 47.22
Spectral type DA DA
Effective temperature [K] 7369.0 (46)
log(g) [cgs] 8.29 (0.01)
Mass [M☉] 0.775 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 22.10 (0.1) 22.33 (0.1) 22.10 22.10 (0.1) 22.33 (0.1)
Distance [pc] 45.25 (0.2) 44.78 (0.3) 45.25 45.25 (0.2) 44.78 (0.3)
Composition
Proper motion (right ascension) [mas/yr] 55.18693708 (0.07) 55.09277401 (0.2) 55.187 (0.07) 55.09277401
Proper motion (declination) [mas/yr] -90.27580726 (0.07) -90.46053214 (0.1) -90.276 (0.07) -90.46053214
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 16.93 (0.006) 16.94 16.93 16.93 (0.003) 16.94
BP magnitude 17.09 (0.006) 17.09 17.09
RP magnitude 16.64 (0.005) 16.65 16.65
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.004

* 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.