Gaia DR2 4098931347795185280

All names: WDJ18486.21-173632.35, Gaia DR3 4098931347795185280, Gaia DR2 4098931347795185280, Gaia EDR3 4098931347795185280, WDJ184806.21-173632.36

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 48 06.21 (0.1) 18 48 06.21 18 48 06.21 18 48 06.21 (0.1) 18 48 06.21
Declination -17 36 33.30 (0.2) -17 36 33.27 -17 36 33.30 -17 36 32.35 (0.2) -17 36 33.27
Spectral type DA DA
Effective temperature [K] 6830.0 6587.0 6991.0 (169)
log(g) [cgs] 7.96 7.84 7.97 (0.05)
Mass [M] 0.565 0.48 0.577 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 1.5110 1.4800
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.91 (0.2) 11.01 (0.3) 10.91 10.91 (0.2) 11.01 (0.3)
Distance [pc] 91.68 (2) 90.79 (2) 91.68 91.68 (2) 90.79 (2)
Composition
Proper motion (right ascension) [mas/yr] 3.050018381 (0.2) 3.076112543 (0.4) 3.05 (0.2) 3.076112543
Proper motion (declination) [mas/yr] -59.04238254 (0.2) -58.90359262 (0.3) -59.042 (0.2) -58.90359262
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 18.19 (0.02) 18.22 18.19 18.19 (0.003) 18.22
BP magnitude 18.46 (0.02) 18.41 18.41
RP magnitude 17.87 (0.01) 17.91 17.91
Pan g magnitude 18.45 (0.005)
Pan r magnitude 18.26 (0.01)
Pan i magnitude 18.26 (0.004)
Pan z magnitude 18.27 (0.01)
Pan y magnitude 18.24 (0.02)
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.