Gaia DR2 2303857158072454912

All names: Gaia DR3 2303857158072454912, GALEX J212419.8+855645, Gaia EDR3 2303857158072454912, Gaia DR2 2303857158072454912, WDJ212418.93+855645.12

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 21 24 19.80 (0.02) 21 24 19.78 21 24 19.80 21 24 18.93 (0.02) 21 24 19.78
Declination 85 56 45.90 (0.03) 85 56 45.87 85 56 45.90 85 56 45.13 (0.03) 85 56 45.87
Spectral type DB D
Effective temperature [K] 13881.0 15149.0 17011.0 (300)
log(g) [cgs] 7.73 7.87 8.04 (0.02)
Mass [M] 0.467 0.517 0.615 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.1675 0.1559
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.70 (0.03) 12.70 (0.04) 12.70 12.70 (0.03) 12.70 (0.04)
Distance [pc] 78.77 (0.2) 78.73 (0.2) 78.77 78.77 (0.2) 78.73 (0.2)
Composition
Proper motion (right ascension) [mas/yr] 57.84432699 (0.03) 57.8372517 (0.08) 57.844 (0.03) 57.8372517
Proper motion (declination) [mas/yr] 48.19299664 (0.04) 48.33194284 (0.09) 48.193 (0.04) 48.33194284
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 15.50 (0.002) 15.52 15.50 15.50 (0.003) 15.52
BP magnitude 15.43 (0.002) 15.39 15.39
RP magnitude 15.63 (0.002) 15.64 15.64
Pan g magnitude 15.43 (0.004)
Pan r magnitude 15.69 (0.003)
Pan i magnitude 15.95 (0.003)
Pan z magnitude 16.18 (0.004)
Pan y magnitude 16.34 (0.01)
E(B-V) 0.005

* 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.