Gaia DR2 4219122713337196800

All names: Gaia DR3 4219122713337196800, Gaia DR2 4219122713337196800, Gaia EDR3 4219122713337196800, WDJ201516.12-044442.24, GALEX J201516.1-044442

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 15 16.13 (0.1) 20 15 16.13 20 15 16.13 20 15 16.12 (0.1) 20 15 16.13
Declination -04 44 47.05 (0.07) -04 44 46.90 -04 44 47.05 -04 44 42.24 (0.07) -04 44 46.90
Spectral type DA DA
Effective temperature [K] 5916.0 5669.0 6021.0 (64)
log(g) [cgs] 7.61 7.43 7.66 (0.03)
Mass [M] 0.384 0.293 0.408 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.4000 1.5390
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.63 (0.1) 14.60 (0.1) 14.63 14.63 (0.1) 14.60 (0.1)
Distance [pc] 68.36 (0.5) 68.49 (0.7) 68.36 68.36 (0.5) 68.49 (0.7)
Composition
Proper motion (right ascension) [mas/yr] 10.64965167 (0.1) 10.85478066 (0.2) 10.65 (0.1) 10.85478066
Proper motion (declination) [mas/yr] -300.7343845 (0.09) -300.7526949 (0.2) -300.734 (0.09) -300.7526949
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 17.76 (0.01) 17.78 17.76 17.76 (0.003) 17.78
BP magnitude 18.05 (0.01) 18.08 18.08
RP magnitude 17.30 (0.008) 17.28 17.28
Pan g magnitude 18.10 (0.004)
Pan r magnitude 17.76 (0.001)
Pan i magnitude 17.66 (0.006)
Pan z magnitude 17.60 (0.002)
Pan y magnitude 17.60 (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.