WD 0203-502

All names: WD 0203-502, GALEX J020503.2-495904, HE 0203-5013, USNO-B1.0 0400-00016475, Gaia DR3 4937952899830549248, JL 281, Gaia DR2 4937952899830549248, Gaia EDR3 4937952899830549248

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 02 05 03.24 (0.04) 02 05 03.24 (0.05) 02 05 03.24 02 05 03.20 (0.04) 02 05 04.56
Declination -49 59 05.61 (0.04) -49 59 05.58 (0.05) -49 59 05.61 -49 59 04.37 (0.04) -49 58 40.80
Spectral type DB DB DB3.2
Effective temperature [K] 14737.0 (286)
log(g) [cgs] 8.11 (0.02)
Mass [M☉] 0.657 (0.02)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 7.82 (0.05) 7.85 (0.07) 7.82 7.82 (0.05)
Distance [pc] 127.83 (0.9) 127.39 (1) 127.83 127.83 (0.9)
Composition
Proper motion (right ascension) [mas/yr] 25.65088885 (0.05) 25.78867174 (0.1) 25.651 (0.05)
Proper motion (declination) [mas/yr] -77.8222278 (0.05) -77.79447492 (0.1) -77.822 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.40
V magnitude
R magnitude 16.20
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.99 (0.005) 17.01 16.99 16.99 (0.003)
BP magnitude 16.94 (0.005) 16.90
RP magnitude 17.09 (0.007) 17.08
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.002

* 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.