WD 1259+023

All names: SDSS J130219.93+020322.80, Gaia DR3 3691944782311685760, Gaia EDR3 3691944782311685760, Gaia DR2 3691944782311685760, WD 1259+023, SDSS J130219.93+020322.7, GALEX J130219.9+020322, SDSS J130219.93+020322.8

Parameter Unit Gaia EDR3 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 02 19.94 (0.2) 13 02 19.94 13 02 19.94 (0.4) 13 02 19.94 13 02 19.93 (0.2) 13 02 19.94 13 02 19.08 13 02 19.93
Declination 02 03 22.16 (0.1) 02 03 22.75 02 03 22.18 (0.2) 02 03 22.16 02 03 22.81 (0.1) 02 03 22.74 02 03 17.28 02 03 22.78
Spectral type DB DB DB DB DB3.1 DB DB
Effective temperature [K] 15466.0 17238.0 17481.0 15533.0 (1756) 16606.0 (241) 16005.0 (264)
log(g) [cgs] 7.58 8.16 8.23 8.03 (0.2) 8.13 (0.1) 8.05 (0.2)
Mass [M] 0.383 0.692 0.732 0.609 (0.2) 0.614 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.1862
log(H/He) -5.937
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] 2.72 (0.2) 2.68 (0.4) 2.72 2.72 (0.2)
Distance [pc] 367.64 (34) 373.27 (52) 367.64 367.63 (34)
Composition He
Proper motion (right ascension) [mas/yr] 4.303289023 (0.4) 3.949447183 (0.8) 4.303 (0.4) 9.2
Proper motion (declination) [mas/yr] -40.64463244 (0.2) -40.78849985 (0.4) -40.645 (0.2) -49.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.90 (0.02) 18.90 (0.02) 18.89 (0.03) 18.88 18.89 (0.02)
g magnitude 18.93 (0.01) 18.93 (0.01) 18.92 (0.02) 18.92 18.93 (0.02)
r magnitude 19.27 (0.01) 19.27 (0.01) 19.26 (0.02) 19.27 19.27 (0.02)
i magnitude 19.52 (0.02) 19.52 (0.02) 19.51 (0.03) 19.51 19.52 (0.02)
z magnitude 19.89 (0.1) 19.89 (0.1) 19.84 (0.1) 19.84 19.86 (0.1)
G magnitude 19.10 (0.03) 19.14 19.10 19.10 (0.004)
BP magnitude 19.10 (0.03) 18.99
RP magnitude 19.27 (0.05) 19.15
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.021

* 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.