Gaia DR2 1946495125767488896

All names: WDJ214531.23+325142.38, GALEX J214531.2+325142, Gaia DR3 1946495125767488896, WDJ214531.23+325142.39, Gaia DR2 1946495125767488896, Gaia EDR3 1946495125767488896

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 21 45 31.36 (0.04) 21 45 31.36 21 45 31.36 21 45 31.23 (0.04) 21 45 31.36
Declination 32 51 42.10 (0.06) 32 51 42.11 32 51 42.10 32 51 42.39 (0.06) 32 51 42.11
Spectral type DC: D
Effective temperature [K] 8350.0 8070.0 7714.0 (68)
log(g) [cgs] 8.18 8.08 7.92 (0.02)
Mass [M] 0.704 0.627 0.529 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.2530 1.2110
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 13.53 (0.08) 13.38 (0.1) 13.53 13.53 (0.08) 13.38 (0.1)
Distance [pc] 73.93 (0.4) 74.71 (0.6) 73.93 73.93 (0.4) 74.71 (0.6)
Composition
Proper motion (right ascension) [mas/yr] 100.0302845 (0.05) 99.72398391 (0.2) 100.03 (0.05) 99.72398391
Proper motion (declination) [mas/yr] -18.28653889 (0.06) -18.15305812 (0.2) -18.287 (0.06) -18.15305812
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 17.40 (0.004) 17.42 17.40 17.40 (0.003) 17.42
BP magnitude 17.51 (0.004) 17.49 17.49
RP magnitude 17.17 (0.008) 17.19 17.19
Pan g magnitude 17.51 (0.004)
Pan r magnitude 17.47 (0.003)
Pan i magnitude 17.53 (0.003)
Pan z magnitude 17.62 (0.007)
Pan y magnitude 17.71 (0.01)
E(B-V) 0.013

* 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.