Gaia DR2 6808329488436621952

All names: WDJ205525.69-225720.39, TIC 77200311, 2MASS J20552568-2257204, DENIS J205525.6-225720, WISE J205525.71-225720.8, WISEA J205525.72-225720.5, UCAC4 336-202983, Gaia DR2 6808329488436621952, Gaia EDR3 6808329488436621952, WDJ205525.69-225720.38, Gaia DR3 6808329488436621952

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 55 25.76 (0.04) 20 55 25.76 20 55 25.76 20 55 25.69 (0.04) 20 55 25.76
Declination -22 57 21.45 (0.02) -22 57 21.42 -22 57 21.45 -22 57 20.39 (0.02) -22 57 21.42
Spectral type DA DA
Effective temperature [K] 16289.0 17571.0 17593.0 (147)
log(g) [cgs] 8.29 8.44 8.36 (0.007)
Mass [M] 0.794 0.87 0.839 (0.006)
log(Luminosity) [L]
Cooling age [Gyr] 0.2476 0.2681
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 17.59 (0.04) 17.69 (0.06) 17.59 17.59 (0.04) 17.69 (0.06)
Distance [pc] 56.84 (0.1) 56.54 (0.2) 56.84 56.84 (0.1) 56.54 (0.2)
Composition
Proper motion (right ascension) [mas/yr] 56.38667758 (0.04) 56.36922452 (0.09) 56.387 (0.04) 56.36922452
Proper motion (declination) [mas/yr] -66.64351855 (0.03) -66.58377283 (0.06) -66.644 (0.03) -66.58377283
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.33 (0.02)
V magnitude 15.28 (0.01)
R magnitude 15.79 (0.05)
I magnitude 15.53 (0.06)
J magnitude 15.77 (0.06)
H magnitude 15.77 (0.1)
K magnitude 15.30 (0.1)
u magnitude
g magnitude 15.21 (0.01)
r magnitude 15.45 (0.01)
i magnitude
z magnitude
G magnitude 15.35 (0.001) 15.37 15.35 15.35 (0.003) 15.37
BP magnitude 15.30 (0.001) 15.27 15.27
RP magnitude 15.50 (0.002) 15.50 15.50
Pan g magnitude 15.24 (0.003)
Pan r magnitude 15.52 (0.003)
Pan i magnitude 15.81 (0.001)
Pan z magnitude 16.07 (0.005)
Pan y magnitude 16.22 (0.005)
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.