WD 2229-307

All names: GALEX J223150.7-302805, Gaia EDR3 6602201977697417344, 2QZ J223150.7-302806, Gaia DR2 6602201977697417344, Gaia DR3 6602201977697417344, WD 2229-307

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 22 31 50.77 (0.1) 22 31 50.77 (0.2) 22 31 50.77 22 31 50.76 (0.1) 22 31 49.82
Declination -30 28 05.86 (0.1) -30 28 05.85 (0.2) -30 28 05.86 -30 28 05.69 (0.1) -30 28 03.00
Spectral type DA DA2.5 DA2.5
Effective temperature [K] 21999.0 (2027)
log(g) [cgs] 8.07 (0.1)
Mass [M☉] 0.667 (0.09)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.75 (0.2) 2.93 (0.3) 2.75 2.75 (0.2)
Distance [pc] 363.54 (24) 341.36 (34) 363.54 363.54 (24)
Composition
Proper motion (right ascension) [mas/yr] 4.123367522 (0.2) 4.14366757 (0.4) 4.123 (0.2)
Proper motion (declination) [mas/yr] -10.65586282 (0.2) -10.5360291 (0.4) -10.656 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.49
V magnitude 18.50
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.58 (0.02) 18.62 18.58 18.58 (0.004)
BP magnitude 18.54 (0.02) 18.50
RP magnitude 18.80 (0.04) 18.71
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.012

* 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.