Gaia DR2 6615444912354373376

All names: Gaia DR3 6615444912354373376, 2QZ J222049.7-284610, WDJ222049.74-284609.82, GALEX J222049.7-284610, Gaia DR2 6615444912354373376, Gaia EDR3 6615444912354373376

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 22 20 49.78 (0.04) 22 20 49.78 22 20 49.78 22 20 49.74 (0.04) 22 20 49.78
Declination -28 46 10.06 (0.04) -28 46 10.05 -28 46 10.06 -28 46 09.82 (0.04) -28 46 10.05
Spectral type DA DA
Effective temperature [K] 13753.0 14159.0 13884.0 (219)
log(g) [cgs] 8.39 8.41 8.38 (0.01)
Mass [M] 0.851 0.851 0.851 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.4645 0.4675
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.81 (0.05) 12.81 (0.08) 12.81 12.81 (0.05) 12.81 (0.08)
Distance [pc] 78.07 (0.3) 78.07 (0.5) 78.07 78.07 (0.3) 78.07 (0.5)
Composition
Proper motion (right ascension) [mas/yr] 30.98825832 (0.05) 31.19544782 (0.1) 30.988 (0.05) 31.19544782
Proper motion (declination) [mas/yr] -14.99184373 (0.05) -14.67089803 (0.1) -14.992 (0.05) -14.67089803
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 16.51 (0.003) 16.54 16.51 16.51 (0.003) 16.54
BP magnitude 16.50 (0.003) 16.50 16.50
RP magnitude 16.58 (0.006) 16.59 16.59
Pan g magnitude 16.42 (0.003)
Pan r magnitude 16.64 (0.002)
Pan i magnitude 16.89 (0.004)
Pan z magnitude 17.12 (0.008)
Pan y magnitude 17.29 (0.007)
E(B-V) 0.002

* 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.