Gaia DR2 1956199342374321280

All names: WDJ215954.74+392227.95, Gaia DR2 1956199342374321280, Gaia EDR3 1956199342374321280, Gaia DR3 1956199342374321280, WDJ215954.74+392227.94

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 59 54.63 (0.06) 21 59 54.64 21 59 54.63 21 59 54.74 (0.06) 21 59 54.64
Declination 39 22 28.29 (0.07) 39 22 28.28 39 22 28.29 39 22 27.95 (0.07) 39 22 28.28
Spectral type DC: DC
Effective temperature [K] 5043.0 4725.0 5126.0 (34)
log(g) [cgs] 8.01 7.79 8.04 (0.02)
Mass [M] 0.585 0.449 0.605 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 5.5770 4.3330
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 22.73 (0.09) 22.92 (0.1) 22.73 22.73 (0.09) 22.92 (0.1)
Distance [pc] 43.99 (0.2) 43.63 (0.2) 43.99 43.99 (0.2) 43.63 (0.2)
Composition
Proper motion (right ascension) [mas/yr] -79.78098509 (0.08) -79.93780506 (0.2) -79.781 (0.08) -79.93780506
Proper motion (declination) [mas/yr] 21.45705058 (0.08) 21.28843262 (0.2) 21.457 (0.09) 21.28843262
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 18.02 (0.01) 18.04 18.02 18.02 (0.003) 18.04
BP magnitude 18.50 (0.01) 18.54 18.54
RP magnitude 17.41 (0.007) 17.41 17.41
Pan g magnitude 18.59 (0.006)
Pan r magnitude 18.00 (0.004)
Pan i magnitude 17.75 (0.004)
Pan z magnitude 17.67 (0.01)
Pan y magnitude 17.63 (0.009)
E(B-V) 0.004

* 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.