WD 0329+002

All names: GALEX J033145.9+002232, SDSS J033146.02+002232.4, SDSS J033146.03+002232.4, WD 0329+002, SDSS J033146.02+002232.50, Gaia DR2 3264246372698317568, SDSS J033146.02+002232.5, Gaia DR3 3264246372698317568, SDSS J033146.01+002232.4, Gaia EDR3 3264246372698317568

Parameter Unit Gaia EDR3 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 03 31 46.03 (0.6) 03 31 46.02 03 31 46.03 (0.6) 03 31 46.02 (0.6) 03 31 46.02 03 31 46.01 03 31 46.02
Declination 00 22 32.38 (0.6) 00 22 32.49 00 22 32.38 (0.8) 00 22 32.51 (0.6) 00 22 32.46 00 22 32.52 00 22 32.46
Spectral type DB DB DB DB2.7 DB DB
Effective temperature [K] 17048.0 14269.0 10718.0 18077.0 (584) 16845.0 (400)
log(g) [cgs] 8.11 8.47 8.14 7.95 (0.3) 8.06 (0.2)
Mass [M] 0.655 0.886 0.67 0.622 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.6443
log(H/He) <-5.629
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] 2.84 (0.7) 2.66 (0.7) 2.84 (0.7)
Distance [pc] 352.23 (88) 375.51 (104) 352.22 (88)
Composition He
Proper motion (right ascension) [mas/yr] 8.36998329 (0.9) 9.532262661 (2) 8.37 (0.9) 5.7
Proper motion (declination) [mas/yr] -8.071604905 (0.9) -7.131453095 (2) -8.072 (0.9) -39.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.16 (0.04) 20.03 (0.05) 20.06 (0.05) 20.06 20.07 (0.05)
g magnitude 20.21 (0.02) 20.14 (0.02) 20.16 (0.03) 20.15 20.16 (0.03)
r magnitude 20.33 (0.02) 20.40 (0.03) 20.41 (0.03) 20.41 20.40 (0.03)
i magnitude 20.56 (0.04) 20.49 (0.05) 20.50 (0.04) 20.50 20.49 (0.05)
z magnitude 20.21 (0.1) 20.95 (0.3) 20.99 (0.3) 20.99 20.98 (0.3)
G magnitude 20.21 (0.08) 20.29 20.21 (0.008)
BP magnitude 20.11 (0.08) 20.17
RP magnitude 20.21 (0.1) 20.27
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.045

* 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.