SDSS J083314.08+175822.0

All names: SDSS J083314.08+175822.00, SDSS J083314.08+175822.0, Gaia DR2 659567510488244736, Gaia DR3 659567510488244736, Gaia EDR3 659567510488244736, GALEX J083314.1+175821

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
Right ascension 08 33 14.07 (1) 08 33 14.07 08 33 14.07 (2) 08 33 14.08 (1) 08 33 14.08
Declination 17 58 22.03 (0.7) 17 58 22.05 17 58 22.03 (1) 17 58 21.94 (0.7) 17 58 21.99
Spectral type DB: DB DB:
Effective temperature [K] 14473.0 13723.0 15026.0 16041.0 (608)
log(g) [cgs] 7.23 9.08 9.20 8.13 (0.4)
Mass [M] 0.272 1.223 1.266
log(Luminosity) [L]
Cooling age [Gyr] 1.1720
log(H/He) <-5.942
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] 1.54 (0.9) 3.88 (2) 1.54 (0.9)
Distance [pc] 648.81 (383) 257.99 (103) 648.80 (383)
Composition He
Proper motion (right ascension) [mas/yr] -10.913398 (2) -10.51586801 (3) -10.913 (2)
Proper motion (declination) [mas/yr] 5.457938975 (1) 5.703243916 (2) 5.458 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.35 (0.04) 20.32 (0.05) 20.32 (0.05)
g magnitude 20.38 (0.02) 20.30 (0.03) 20.30 (0.03)
r magnitude 20.62 (0.03) 20.68 (0.04) 20.68 (0.04)
i magnitude 20.90 (0.05) 20.81 (0.05) 20.81 (0.05)
z magnitude 21.32 (0.3) 22.92 (0.7) 22.92 (0.7)
G magnitude 20.46 (0.07) 20.53 20.46 (0.009)
BP magnitude 20.34 (0.07) 20.18
RP magnitude 20.37 (0.1) 20.20
Pan g magnitude 20.34 (0.02)
Pan r magnitude 20.59 (0.02)
Pan i magnitude 20.80 (0.03)
Pan z magnitude 20.92 (0.2)
Pan y magnitude
E(B-V) 0.032

* 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.