WD 1158+597

All names: SDSS J120043.77+592600.5, SDSS J120043.67+592601.0, SBSS 1158+597, Gaia DR2 1576115008923188224, Gaia EDR3 1576115008923188224, SDSS J120043.67+592601.02, USNO-B1.0 1494-00203041, GALEX J120043.6+592601, WD 1158+597, Gaia DR3 1576115008923188224

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Koester & Kepler 2015 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 12 00 43.63 (0.07) 12 00 43.77 12 00 43.64 (0.1) 12 00 43.63 12 00 43.79 (0.07) 12 00 44.02
Declination 59 26 01.03 (0.07) 59 26 00.53 59 26 01.01 (0.09) 59 26 01.03 59 26 00.36 (0.07) 59 25 54.12
Spectral type DB DB DB DB DB DB
Effective temperature [K] 15062.0 14858.0 13813.0 46003.0 (119) 15209.0 (54) 14997.0 (615)
log(g) [cgs] 8.01 8.11 8.02 7.88 (0.05) 8.00 (0) 8.14 (0.05)
Mass [M] 0.597 0.653 0.597 0.581 (0.02) 0.672 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.2629
log(H/He) -6.351 <-5.5
log(C/He)
log(Ca/He) <-7.61
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] 4.85 (0.1) 4.84 (0.1) 4.85 4.85 (0.1)
Distance [pc] 206.09 (4) 206.77 (5) 224.00 206.09 206.09 (4)
Composition He
Proper motion (right ascension) [mas/yr] -74.71550624 (0.09) -74.62279257 (0.2) -74.716 (0.09)
Proper motion (declination) [mas/yr] 41.37553784 (0.1) 41.36455819 (0.2) 41.376 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.00
V magnitude
R magnitude 18.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.84 (0.01) 17.85 (0.01) 17.84 (0.01)
g magnitude 17.91 (0.006) 17.94 (0.02) 17.92 (0.006)
r magnitude 18.20 (0.007) 18.21 (0.03) 18.20 (0.007)
i magnitude 18.44 (0.01) 18.44 (0.03) 18.44 (0.01)
z magnitude 18.66 (0.03) 18.67 (0.04) 18.66 (0.03)
G magnitude 18.06 (0.01) 18.09 18.06 18.06 (0.003)
BP magnitude 18.02 (0.01) 17.97
RP magnitude 18.15 (0.02) 18.15
Pan g magnitude 17.96 (0.006)
Pan r magnitude 18.22 (0.007)
Pan i magnitude 18.47 (0.003)
Pan z magnitude 18.67 (0.01)
Pan y magnitude 18.77 (0.02)
E(B-V) 0.016

* 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.