SDSS J131148.49+053847.6

All names: GALEX J131148.5+053847, SDSS J131148.49+053847.7, SDSS J131148.49+053847.6, WD 1309+059, Gaia DR3 3717123053127067008, Gaia DR2 3717123053127067008, LAMOST J131148.50+053847.6, SDSS J131148.50+053847.6, SDSS J131148.50+053847.60, Gaia EDR3 3717123053127067008

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Nitta et al. 2009 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 11 48.47 (0.1) 13 11 48.49 13 11 48.48 (0.1) 13 11 48.47 13 11 48.50 (0.1) 13 11 48.49 13 11 48.72 13 11 48.50
Declination 05 38 47.75 (0.09) 05 38 47.67 05 38 47.75 (0.09) 05 38 47.75 05 38 47.65 (0.09) 05 38 47.64 05 38 40.92 05 38 47.65
Spectral type DB DB DB DB DB DB DB
Effective temperature [K] 23470.0 20450.0 17975.0 21000.0 (316) 20249.0 (268) 18722.0 (1330) 20471.0 (316) 22410.0 (558)
log(g) [cgs] 8.14 8.13 8.03 8.11 (0.04) 8.30 (0.04) 8.12 (0.07) 8.28 (0.04) 8.15 (0.04)
Mass [M] 0.687 0.674 0.611 0.664 (0.07) 0.686 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.1133
log(H/He) -4.734 <-4.02
log(C/He)
log(Ca/He) <-4.52
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] 4.25 (0.1) 4.10 (0.2) 4.25 4.25 (0.1)
Distance [pc] 235.45 (7) 244.08 (1e+01) 249.00 235.45 235.45 (7)
Composition He
Proper motion (right ascension) [mas/yr] -19.44071451 (0.2) -18.86503239 (0.3) -19.441 (0.2) 0.4
Proper motion (declination) [mas/yr] 5.934739022 (0.1) 5.911809698 (0.2) 5.935 (0.1) 7.8
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.52 (0.009) 17.52 (0.009) 17.54 (0.03) 17.54 17.53 (0.03)
g magnitude 17.64 (0.005) 17.65 17.64 (0.005) 17.65 (0.02) 17.65 17.64 (0.02)
r magnitude 18.00 (0.007) 18.00 (0.007) 18.03 (0.02) 18.03 18.03 (0.02)
i magnitude 18.25 (0.009) 18.25 (0.009) 18.27 (0.02) 18.27 18.26 (0.02)
z magnitude 18.50 (0.03) 18.50 (0.03) 18.52 (0.03) 18.52 18.50 (0.03)
G magnitude 17.82 (0.009) 17.86 17.82 17.82 (0.003)
BP magnitude 17.77 (0.009) 17.73
RP magnitude 17.97 (0.01) 17.96
Pan g magnitude 17.70 (0.004)
Pan r magnitude 18.01 (0.003)
Pan i magnitude 18.30 (0.007)
Pan z magnitude 18.54 (0.01)
Pan y magnitude 18.71 (0.01)
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.