Gaia DR2 4502198922571446016

All names: GALEX J180247.6+163041, WDJ180247.52+163043.47, Gaia EDR3 4502198922571446016, Gaia DR3 4502198922571446016, WDJ180247.52+163043.46, Gaia DR2 4502198922571446016

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 02 47.38 (0.1) 18 02 47.38 18 02 47.38 18 02 47.52 (0.1) 18 02 47.38
Declination 16 30 43.90 (0.1) 16 30 43.89 16 30 43.90 16 30 43.47 (0.1) 16 30 43.89
Spectral type DA DA
Effective temperature [K] 5372.0 5076.0 5582.0 (83)
log(g) [cgs] 8.14 7.96 8.27 (0.03)
Mass [M] 0.672 0.541 0.754 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 5.2940 5.0590
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 16.13 (0.2) 16.40 (0.3) 16.13 16.13 (0.2) 16.40 (0.3)
Distance [pc] 61.99 (0.7) 60.98 (1) 61.99 61.99 (0.7) 60.98 (1)
Composition
Proper motion (right ascension) [mas/yr] -133.0531233 (0.1) -132.5466537 (0.5) -133.053 (0.1) -132.5466537
Proper motion (declination) [mas/yr] 26.65647819 (0.2) 27.05780523 (0.7) 26.656 (0.2) 27.05780523
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 18.70 (0.02) 18.73 18.70 18.70 (0.003) 18.73
BP magnitude 19.08 (0.02) 19.07 19.07
RP magnitude 18.16 (0.02) 18.10 18.10
Pan g magnitude 19.09 (0.01)
Pan r magnitude 18.65 (0.009)
Pan i magnitude 18.42 (0.008)
Pan z magnitude 18.34 (0.009)
Pan y magnitude 18.21 (0.1)
E(B-V) 0.003

* 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.