Gaia DR2 2131985103893866752

All names: WDJ185918.22+485517.01, Gaia DR3 2131985103893866752, Gaia DR2 2131985103893866752, GALEX J185918.2+485515, Gaia EDR3 2131985103893866752

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 18 59 18.33 (0.05) 18 59 18.32 18 59 18.33 18 59 18.21 (0.05) 18 59 18.32
Declination 48 55 15.24 (0.06) 48 55 15.29 48 55 15.24 48 55 17.01 (0.06) 48 55 15.29
Spectral type DC D
Effective temperature [K] 8490.0 8199.0 7644.0 (92)
log(g) [cgs] 8.29 8.21 7.99 (0.02)
Mass [M] 0.782 0.706 0.568 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.4620 1.4150
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.65 (0.06) 14.73 (0.07) 14.65 14.65 (0.06) 14.73 (0.07)
Distance [pc] 68.25 (0.3) 67.87 (0.3) 68.25 68.25 (0.3) 67.87 (0.3)
Composition
Proper motion (right ascension) [mas/yr] 69.77947621 (0.07) 69.56095578 (0.1) 69.779 (0.07) 69.56095578
Proper motion (declination) [mas/yr] -111.0112041 (0.07) -111.0928809 (0.1) -111.011 (0.07) -111.0928809
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 17.33 (0.009) 17.36 17.33 17.33 (0.003) 17.36
BP magnitude 17.44 (0.009) 17.45 17.45
RP magnitude 17.11 (0.009) 17.13 17.13
Pan g magnitude 17.42 (0.004)
Pan r magnitude 17.40 (0.004)
Pan i magnitude 17.45 (0.004)
Pan z magnitude 17.56 (0.006)
Pan y magnitude 17.66 (0.01)
E(B-V) 0.010

* 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.