Gaia DR2 1840810858375964544

All names: GALEX J211531.4+253457, Gaia DR3 1840810858375964544, Gaia DR2 1840810858375964544, WDJ211531.58+253457.51, WDJ211531.58+253457.52, Gaia EDR3 1840810858375964544

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 15 31.63 (0.07) 21 15 31.62 21 15 31.63 21 15 31.58 (0.07) 21 15 31.62
Declination 25 34 57.76 (0.06) 25 34 57.75 25 34 57.76 25 34 57.52 (0.06) 25 34 57.75
Spectral type DC D
Effective temperature [K] 10381.0 10479.0 9855.0 (172)
log(g) [cgs] 8.19 8.14 8.02 (0.03)
Mass [M] 0.719 0.665 0.594 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.7252 0.6762
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.63 (0.09) 10.37 (0.1) 10.63 10.63 (0.09) 10.37 (0.1)
Distance [pc] 94.10 (0.8) 96.41 (1) 94.10 94.10 (0.8) 96.41 (1)
Composition
Proper motion (right ascension) [mas/yr] 37.86953863 (0.08) 37.79714634 (0.2) 37.87 (0.08) 37.79714634
Proper motion (declination) [mas/yr] 15.41152108 (0.08) 15.24384242 (0.3) 15.412 (0.07) 15.24384242
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 17.25 (0.007) 17.28 17.25 17.25 (0.003) 17.28
BP magnitude 17.27 (0.007) 17.27 17.27
RP magnitude 17.20 (0.01) 17.20 17.20
Pan g magnitude 17.24 (0.004)
Pan r magnitude 17.35 (0.0009)
Pan i magnitude 17.51 (0.004)
Pan z magnitude 17.69 (0.003)
Pan y magnitude 17.80 (0.01)
E(B-V) 0.011

* 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.