Gaia DR2 2186612105741592448

All names: Gaia DR3 2186612105741592448, WDJ203012.87+552005.11, Gaia DR2 2186612105741592448, Gaia EDR3 2186612105741592448, WDJ203012.87+552005.12

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 30 12.77 (0.03) 20 30 12.77 20 30 12.77 20 30 12.87 (0.03) 20 30 12.77
Declination 55 20 05.13 (0.04) 55 20 05.13 55 20 05.13 55 20 05.12 (0.04) 55 20 05.13
Spectral type DA DA
Effective temperature [K] 7383.0 7118.0 7371.0 (45)
log(g) [cgs] 7.93 7.81 7.93 (0.01)
Mass [M] 0.55 0.469 0.551 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 1.1950 1.1790
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 21.17 (0.04) 21.18 (0.05) 21.17 21.17 (0.04) 21.18 (0.05)
Distance [pc] 47.23 (0.08) 47.21 (0.1) 47.23 47.23 (0.08) 47.21 (0.1)
Composition
Proper motion (right ascension) [mas/yr] -53.67294469 (0.05) -53.82241296 (0.09) -53.673 (0.05) -53.82241296
Proper motion (declination) [mas/yr] 0.773584269 (0.04) 0.708751237 (0.08) 0.774 (0.04) 0.708751237
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 16.49 (0.004) 16.51 16.49 16.49 (0.003) 16.51
BP magnitude 16.65 (0.004) 16.64 16.64
RP magnitude 16.22 (0.003) 16.22 16.22
Pan g magnitude 16.65 (0.005)
Pan r magnitude 16.54 (0.002)
Pan i magnitude 16.54 (0.005)
Pan z magnitude 16.60 (0.005)
Pan y magnitude 16.63 (0.005)
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.