WD 0340-453

All names: USNO-B1.0 0447-00029921, WD 0340-453, FOCAP QSF1:14, GALEX J034144.3-451334, Gaia DR3 4835876817288583040, Gaia EDR3 4835876817288583040, Gaia DR2 4835876817288583040

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 03 41 44.34 (0.1) 03 41 44.34 (0.2) 03 41 44.34 03 41 44.34 (0.1) 03 41 44.26
Declination -45 13 34.64 (0.1) -45 13 34.63 (0.2) -45 13 34.64 -45 13 34.24 (0.1) -45 13 34.32
Spectral type DA DA DA
Effective temperature [K] 12317.0 (678)
log(g) [cgs] 8.06 (0.06)
Mass [M☉] 0.642 (0.05)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.79 (0.2) 3.79 (0.2) 3.79 3.79 (0.2)
Distance [pc] 263.58 (11) 263.55 (14) 263.58 263.58 (11)
Composition
Proper motion (right ascension) [mas/yr] 1.93622796 (0.2) 2.215 (0.4) 1.936 (0.2)
Proper motion (declination) [mas/yr] -25.05774024 (0.2) -24.907 (0.4) -25.058 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.40
V magnitude
R magnitude 20.00
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.84 (0.02) 18.87 18.84 18.84 (0.003)
BP magnitude 18.86 (0.02) 18.81
RP magnitude 18.84 (0.05) 18.90
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.006

* 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.