Gaia DR2 4174595653508284800

All names: WDJ180945.23-034412.15, WDJ180945.23-034412.14, Gaia EDR3 4174595653508284800, Gaia DR3 4174595653508284800, Gaia DR2 4174595653508284800

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 09 45.23 (0.04) 18 09 45.23 18 09 45.23 18 09 45.23 (0.04) 18 09 45.23
Declination -03 44 12.16 (0.03) -03 44 12.15 -03 44 12.16 -03 44 12.15 (0.03) -03 44 12.15
Spectral type DA DA
Effective temperature [K] 14321.0 15501.0 15475.0 (197)
log(g) [cgs] 7.86 8.00 7.96 (0.01)
Mass [M] 0.535 0.589 0.592 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.1845 0.1778
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.41 (0.04) 11.33 (0.06) 11.41 11.41 (0.04) 11.33 (0.06)
Distance [pc] 87.65 (0.3) 88.24 (0.5) 87.65 87.65 (0.3) 88.24 (0.5)
Composition
Proper motion (right ascension) [mas/yr] 5.902200138 (0.05) 5.924209681 (0.1) 5.902 (0.05) 5.924209681
Proper motion (declination) [mas/yr] -0.632393689 (0.04) -0.566351179 (0.1) -0.632 (0.04) -0.566351179
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 15.92 (0.003) 15.94 15.92 15.92 (0.003) 15.94
BP magnitude 15.87 (0.003) 15.85 15.85
RP magnitude 16.02 (0.004) 16.02 16.02
Pan g magnitude 15.80 (0.008)
Pan r magnitude 16.07 (0.002)
Pan i magnitude 16.36 (0.009)
Pan z magnitude 16.58 (0.004)
Pan y magnitude 16.71 (0.003)
E(B-V) 0.017

* 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.