WD 0457-004

All names: GALEX J045943.2-002240, WDJ045943.21-002238.86, SDSS J045943.20-002238.6, Gaia DR2 3228023859770327424, TIC 213038303, CNS5 1246, Gaia DR3 3228023859770327424, NLTT 14307, 2MASS J04594321-0022387, J0459-0022, G84-26, G 84-26, 045943.21-002238.86, Gaia EDR3 3228023859770327424, WD 0457-004

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 O'Brien et al. 2022 Kilic et al. 2020 Gaia DR2 Bedard et al. 2017 Subasavage et al. 2017 Stilism Sion et al. 2014 Giammichele et al. 2012 Gianninas et al. 2011 Holberg et al. 2008 Kawka et Vennes 2006 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 04 59 43.40 (0.02) 04 59 43.40 (0.04) 04 59 43.23 04 59 43.20 04 59 43.40 04 59 43.21 (0.02) 04 59 43.40 04 59 43.27
Declination -00 22 42.52 (0.02) -00 22 42.41 (0.03) -00 22 03.00 -00 22 37.20 -00 22 42.52 -00 22 38.86 (0.02) -00 22 42.41 -00 22 33.96
Spectral type DA DA DA DA DA DA DA4.7 DA DA DA DA DA DA4.4 DA4.7
Effective temperature [K] 11012.0 (60) 11090.0 (122) 11090.0 (120) 11012.0 (59) 11121.0 (166) 11260.0 (180) 10800.0 11408.0 (168) 11410.0 (168) 10800.0 (80) 10998.0 (60)
log(g) [cgs] 8.79 (0.006) 8.79 (0.02) 8.79 (0.02) 8.79 (0.005) 8.81 (0.05) 8.81 (0.02) 8.74 (0.05) 8.98 (0.05) 9.15 (0.06) 8.79 (0.007)
Mass [M] 1.094 (0.003) 1.097 (0.009) 1.093 (0.003) 1.14 (0.1) 1.1 (0.01) 1.07 (0.03) 1.19 (0.02) 1.24 (0.02) 1.093 (0.004)
log(Luminosity) [L] -3.17 (0.03) -3.09
Cooling age [Gyr] 1.8000 (0.07) 1.6100
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 40.46 (0.03) 40.46 (0.03) 40.46 (0.03) 40.40 (0.05) 40.15 (0.2) 40.46 40.46 (0.03) 40.40 (0.05)
Distance [pc] 24.72 (0.02) 24.72 (0.02) 24.72 (0.02) 24.76 (0.03) 24.90 (0.1) 24.91 (0.1) 21.93 28.70 (1) 23.00 17.67 17.00 24.72 24.72 (0.02) 24.76 (0.03)
Composition H H H H H
Proper motion (right ascension) [mas/yr] 177.5210191 (0.03) 177.4961905 (0.08) 177.521 (0.04) 177.4961905
Proper motion (declination) [mas/yr] -228.6717414 (0.03) -228.6945089 (0.06) -228.672 (0.03) -228.6945089
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.80
V magnitude 15.30
R magnitude
I magnitude
J magnitude 15.33 (0.05) 15.33 (0.04)
H magnitude 15.20 (0.09) 15.20 (0.09)
K magnitude 15.36 (0.2) 15.36 (0.2)
u magnitude 15.44 (0.004) 15.44 (0.004)
g magnitude 15.16 (0.003) 15.16 (0.003)
r magnitude 15.28 (0.004) 15.28 (0.004)
i magnitude 15.42 (0.004) 15.42 (0.004)
z magnitude 15.64 (0.006) 15.64 (0.006)
G magnitude 15.18 (0.002) 15.20 15.18 15.18 (0.003) 15.20
BP magnitude 15.22 (0.002) 15.20 15.20
RP magnitude 15.14 (0.002) 15.14 15.14
Pan g magnitude 15.18 (0.005)
Pan r magnitude 15.29 (0.003)
Pan i magnitude 15.46 (0.002)
Pan z magnitude 15.63 (0.002)
Pan y magnitude 15.76 (0.005)
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.