WD 0222-291

All names: WDJ022432.27-285459.46, Gaia DR2 5068532996689788544, USNO-B1.0 0610-00024169, LP 885-57, NLTT 7934, WD 0222-291, LHS 1402, LEHPM 2454, GALEX J022432.4-285459, [SRH2004] 24, Gaia EDR3 5068532996689788544, Gaia DR3 5068532996689788544, J0224-2854

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Bergeron et al. 2022 Gaia DR2 Subasavage et al. 2017 Stilism Bergeron et al. 2005 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 02 24 32.88 (0.08) 02 24 32.86 (0.09) 02 24 32.30 02 24 32.88 02 24 32.27 (0.08) 02 24 32.86 02 24 32.04
Declination -28 54 59.95 (0.1) -28 54 59.94 (0.2) -28 54 05.03 -28 54 59.95 -28 54 59.46 (0.1) -28 54 59.94 -28 54 51.48
Spectral type DC DC DC DC DC: DC DC
Effective temperature [K] 4882.0 (24) 4882.0 (162) 3240.0 (70) 10053.0 (346)
log(g) [cgs] 8.77 (0.005) 8.00 (0) 9.94 (0.05)
Mass [M] 1.071 (0.002) 1.071 (0.003) 0.57 1.639 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 7.0400 6.2410 9.8600
log(H/He) -3.83 -3.83
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 34.52 (0.1) 34.52 (0.1) 34.52 (0.1) 34.66 (0.2) 28.90 (3) 34.52 34.52 (0.1) 34.66 (0.2)
Distance [pc] 28.97 (0.1) 28.97 (0.1) 28.97 (0.1) 28.85 (0.1) 34.60 (3) 25.00 28.97 28.97 (0.1) 28.85 (0.1)
Composition He He
Proper motion (right ascension) [mas/yr] 502.2839762 (0.1) 502.1853612 (0.2) 502.284 (0.1) 502.1853612
Proper motion (declination) [mas/yr] -30.99130489 (0.1) -30.87055378 (0.4) -30.991 (0.1) -30.87055378
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.73 18.70
V magnitude 18.05 18.05 18.05
R magnitude 18.00 18.06 17.80
I magnitude 18.34 18.49
J magnitude 19.09 (0.05) 19.09 (0.05)
H magnitude 19.43 (0.1) 19.43 (0.1)
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.21 (0.01) 18.25 18.21 18.21 (0.003) 18.25
BP magnitude 18.29 (0.01) 18.32 18.32
RP magnitude 18.24 (0.02) 18.26 18.26
Pan g magnitude 18.23 (0.006) 18.23 (0.006)
Pan r magnitude 18.10 (0.009) 18.10 (0.009)
Pan i magnitude 18.56 (0.01) 18.56 (0.01)
Pan z magnitude 18.95 (0.03) 18.95 (0.03)
Pan y magnitude 19.10 (0.08) 19.10 (0.08)
E(B-V) 0.000

* 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.