Gaia DR2 4512422143035508992

All names: WDJ184049.26+181319.21, Gaia DR2 4512422143035508992, Gaia EDR3 4512422143035508992, WDJ184049.26+181319.20, Gaia DR3 4512422143035508992

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 40 49.33 (0.08) 18 40 49.33 18 40 49.33 18 40 49.26 (0.08) 18 40 49.33
Declination 18 13 17.95 (0.1) 18 13 17.99 18 13 17.95 18 13 19.20 (0.1) 18 13 17.99
Spectral type DA: DA
Effective temperature [K] 5218.0 4911.0 5288.0 (49)
log(g) [cgs] 7.99 7.78 8.00 (0.03)
Mass [M] 0.575 0.444 0.585 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 4.4280 3.8490
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 18.35 (0.2) 18.61 (0.2) 18.35 18.35 (0.2) 18.61 (0.2)
Distance [pc] 54.49 (0.5) 53.72 (0.7) 54.49 54.49 (0.5) 53.72 (0.7)
Composition
Proper motion (right ascension) [mas/yr] 68.05683142 (0.1) 67.44989515 (0.4) 68.057 (0.1) 67.44989515
Proper motion (declination) [mas/yr] -78.4786332 (0.1) -78.70869949 (0.3) -78.479 (0.1) -78.70869949
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 18.28 (0.01) 18.30 18.28 18.28 (0.003) 18.30
BP magnitude 18.72 (0.01) 18.76 18.76
RP magnitude 17.71 (0.01) 17.69 17.69
Pan g magnitude 18.80 (0.005)
Pan r magnitude 18.26 (0.01)
Pan i magnitude 18.04 (0.007)
Pan z magnitude 17.97 (0.02)
Pan y magnitude 17.95 (0.01)
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.