Gaia DR2 6905449689821514368

All names: WDJ201646.52-095015.11, Gaia DR2 6905449689821514368, GALEX J201646.4-095013, Gaia EDR3 6905449689821514368, WDJ201646.52-095015.12, Gaia DR3 6905449689821514368

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 20 16 46.45 (0.2) 20 16 46.45 20 16 46.45 20 16 46.52 (0.2) 20 16 46.45
Declination -09 50 17.31 (0.1) -09 50 17.25 -09 50 17.31 -09 50 15.13 (0.1) -09 50 17.25
Spectral type DA DA
Effective temperature [K] 5691.0 5431.0 5742.0 (117)
log(g) [cgs] 8.01 7.83 8.08 (0.05)
Mass [M] 0.59 0.474 0.636 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 2.7150 2.9490
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 13.10 (0.2) 12.63 (0.3) 13.10 13.10 (0.2) 12.63 (0.3)
Distance [pc] 76.31 (1) 79.15 (2) 76.31 76.31 (1) 79.15 (2)
Composition
Proper motion (right ascension) [mas/yr] -68.17544117 (0.2) -67.92671584 (0.5) -68.175 (0.2) -67.92671584
Proper motion (declination) [mas/yr] -136.8277326 (0.2) -137.240196 (0.3) -136.828 (0.2) -137.240196
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 18.75 (0.02) 18.77 18.75 18.75 (0.003) 18.77
BP magnitude 19.14 (0.02) 19.07 19.07
RP magnitude 18.25 (0.02) 18.19 18.19
Pan g magnitude 19.15 (0.008)
Pan r magnitude 18.70 (0.006)
Pan i magnitude 18.58 (0.005)
Pan z magnitude 18.55 (0.007)
Pan y magnitude 18.56 (0.02)
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.