SDSS J131350.38+254457.5

All names: Gaia DR2 1447326600621830016, Gaia DR3 1447326600621830016, SDSS J131350.38+254457.2, SDSS J131350.38+254457.50, GALEX J131350.3+254457, SDSS J131350.38+254457.4, SDSS J131350.38+254457.5, Gaia EDR3 1447326600621830016

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 13 50.37 (0.2) 13 13 50.38 13 13 50.37 (0.3) 13 13 50.38 (0.2) 13 13 50.38
Declination 25 44 57.21 (0.1) 25 44 57.46 25 44 57.22 (0.2) 25 44 57.56 (0.1) 25 44 57.46
Spectral type DB DB DB DB
Effective temperature [K] 15108.0 14760.0 14212.0 15809.0 (233)
log(g) [cgs] 7.77 7.87 7.83 8.15 (0.2)
Mass [M] 0.465 0.515 0.494 0.674 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.1816
log(H/He) <-6.077
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] 2.63 (0.3) 2.43 (0.3) 2.63 (0.3)
Distance [pc] 380.34 (40) 411.33 (50) 380.34 (40)
Composition He
Proper motion (right ascension) [mas/yr] -2.551040952 (0.4) -3.094868989 (0.7) -2.551 (0.4)
Proper motion (declination) [mas/yr] -22.21891059 (0.2) -22.22016989 (0.4) -22.219 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.02 (0.02) 19.02 (0.02) 19.05 (0.03)
g magnitude 19.07 (0.01) 19.07 (0.01) 19.08 (0.02)
r magnitude 19.34 (0.01) 19.34 (0.01) 19.34 (0.02)
i magnitude 19.61 (0.02) 19.61 (0.02) 19.61 (0.02)
z magnitude 19.90 (0.08) 19.90 (0.09) 19.89 (0.08)
G magnitude 19.22 (0.02) 19.27 19.22 (0.003)
BP magnitude 19.22 (0.02) 19.11
RP magnitude 19.35 (0.04) 19.23
Pan g magnitude 19.11 (0.01)
Pan r magnitude 19.39 (0.006)
Pan i magnitude 19.64 (0.01)
Pan z magnitude 19.82 (0.03)
Pan y magnitude 19.80 (0.09)
E(B-V) 0.017

* 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.