Gaia DR2 1956044964068775552

All names: Gaia DR3 1956044964068775552, WDJ215731.20+382839.32, Gaia EDR3 1956044964068775552, Gaia DR2 1956044964068775552, GALEX J215731.1+382840, WDJ215731.2+382839.32

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 57 31.16 (0.07) 21 57 31.16 21 57 31.16 21 57 31.20 (0.07) 21 57 31.16
Declination 38 28 39.49 (0.09) 38 28 39.49 38 28 39.49 38 28 39.32 (0.09) 38 28 39.49
Spectral type DA DA
Effective temperature [K] 6291.0 6042.0 6252.0 (76)
log(g) [cgs] 7.96 7.81 7.97 (0.03)
Mass [M] 0.564 0.465 0.574 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.8500 1.8170
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.08 (0.1) 11.77 (0.2) 12.08 12.08 (0.1) 11.77 (0.2)
Distance [pc] 82.81 (0.9) 84.94 (1) 82.81 82.82 (0.9) 84.94 (1)
Composition
Proper motion (right ascension) [mas/yr] -28.00609274 (0.1) -27.86964983 (0.2) -28.006 (0.1) -27.86964983
Proper motion (declination) [mas/yr] 10.50786345 (0.1) 10.68001373 (0.3) 10.508 (0.1) 10.68001373
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 18.42 (0.02) 18.44 18.42 18.42 (0.003) 18.44
BP magnitude 18.71 (0.02) 18.69 18.69
RP magnitude 17.99 (0.02) 18.01 18.01
Pan g magnitude 18.70 (0.01)
Pan r magnitude 18.43 (0.007)
Pan i magnitude 18.33 (0.004)
Pan z magnitude 18.34 (0.009)
Pan y magnitude 18.36 (0.02)
E(B-V) 0.016

* 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.