SDSS J133717.51+083044.9

All names: SDSS J133717.51+083044.9, Gaia DR3 3724857700815974016, GALEX J133717.5+083045, Gaia DR2 3724857700815974016, Gaia EDR3 3724857700815974016, SDSS J133717.52+083044.90, SDSS J133717.52+083044.9

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 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 37 17.50 (0.4) 13 37 17.51 13 37 17.50 (0.5) 13 37 17.52 (0.4) 13 37 17.52
Declination 08 30 44.72 (0.3) 08 30 44.93 08 30 44.72 (0.4) 08 30 44.90 (0.3) 08 30 44.92
Spectral type DB: DB DB DB
Effective temperature [K] 11562.0 11949.0 11220.0 11641.0 (167) 11776.0 (292)
log(g) [cgs] 7.45 8.17 8.12 8.00 (0) 7.93 (0.3)
Mass [M] 0.326 0.691 0.659 0.535 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.5547
log(H/He) <-6.191 <-5.51
log(C/He)
log(Ca/He) <-9.94
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] 2.95 (0.5) 3.07 (0.6) 2.95 (0.5)
Distance [pc] 338.91 (54) 325.90 (64) 346.00 338.91 (54)
Composition He
Proper motion (right ascension) [mas/yr] -13.45132895 (0.5) -13.0114709 (1) -13.451 (0.5)
Proper motion (declination) [mas/yr] -11.27937746 (0.4) -11.41849975 (0.8) -11.279 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.68 (0.03) 19.68 (0.03) 19.67 (0.04)
g magnitude 19.64 (0.01) 19.64 (0.01) 19.64 (0.03)
r magnitude 19.84 (0.02) 19.84 (0.02) 19.84 (0.02)
i magnitude 19.98 (0.03) 19.98 (0.03) 19.98 (0.03)
z magnitude 20.00 (0.09) 20.00 (0.09) 19.99 (0.09)
G magnitude 19.71 (0.04) 19.75 19.71 (0.005)
BP magnitude 19.76 (0.04) 19.76
RP magnitude 19.67 (0.06) 19.72
Pan g magnitude 19.66 (0.009)
Pan r magnitude 19.84 (0.02)
Pan i magnitude 20.01 (0.01)
Pan z magnitude 20.14 (0.03)
Pan y magnitude 20.39 (0.2)
E(B-V) 0.030

* 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.