WD 0257-282

All names: GALEX J025923.2-280532, Gaia DR3 5071554695160551040, Gaia DR2 5071554695160551040, 2QZ J025923.1-280533, Gaia EDR3 5071554695160551040, WD 0257-282

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 02 59 23.25 (0.1) 02 59 23.25 (0.2) 02 59 23.25 02 59 23.25 (0.1) 02 59 22.61
Declination -28 05 33.33 (0.2) -28 05 33.32 (0.2) -28 05 33.33 -28 05 33.26 (0.2) -28 05 29.76
Spectral type DA DA1.5 DA1.5
Effective temperature [K] 20749.0 (1734)
log(g) [cgs] 7.83 (0.1)
Mass [M☉] 0.536 (0.09)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.32 (0.2) 1.99 (0.3) 2.32 2.32 (0.2)
Distance [pc] 431.94 (40) 501.37 (74) 431.94 431.95 (40)
Composition
Proper motion (right ascension) [mas/yr] 2.969038596 (0.2) 4.099951138 (0.6) 2.969 (0.2)
Proper motion (declination) [mas/yr] -4.348473013 (0.2) -5.28427098 (0.7) -4.348 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.59
V magnitude 18.70
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.74 (0.02) 18.78 18.74 18.74 (0.003)
BP magnitude 18.66 (0.02) 18.65
RP magnitude 18.91 (0.04) 18.95
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.011

* 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.