Gaia DR2 4576446537626664192

All names: Gaia DR2 4576446537626664192, Gaia EDR3 4576446537626664192, WDJ180722.11+220432.88, Gaia DR3 4576446537626664192

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 07 22.05 (0.03) 18 07 22.05 18 07 22.05 18 07 22.11 (0.03) 18 07 22.05
Declination 22 04 31.53 (0.05) 22 04 31.57 22 04 31.53 22 04 32.88 (0.05) 22 04 31.57
Spectral type DC D
Effective temperature [K] 7523.0 7297.0 7027.0 (53)
log(g) [cgs] 8.19 8.11 7.99 (0.01)
Mass [M] 0.711 0.64 0.567 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.6980 1.6450
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 19.51 (0.06) 19.49 (0.08) 19.51 19.51 (0.06) 19.49 (0.08)
Distance [pc] 51.25 (0.2) 51.32 (0.2) 51.25 51.25 (0.2) 51.32 (0.2)
Composition
Proper motion (right ascension) [mas/yr] -49.90070052 (0.04) -49.88599617 (0.07) -49.901 (0.04) -49.88599617
Proper motion (declination) [mas/yr] -84.36504553 (0.06) -84.46095322 (0.1) -84.365 (0.07) -84.46095322
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 16.99 (0.005) 17.01 16.99 16.99 (0.003) 17.01
BP magnitude 17.12 (0.005) 17.11 17.11
RP magnitude 16.71 (0.006) 16.69 16.69
Pan g magnitude 17.13 (0.005)
Pan r magnitude 17.02 (0.004)
Pan i magnitude 17.06 (0.005)
Pan z magnitude 17.14 (0.009)
Pan y magnitude 16.92 (0.04)
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.