SDSS J083355.68+082744.0

All names: Gaia EDR3 596532508867463808, Gaia DR2 596532508867463808, SDSS J083355.68+082744.0, SDSS J083355.68+082744.00, Gaia DR3 596532508867463808, GALEX J083355.6+082743

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 08 33 55.67 (0.7) 08 33 55.67 08 33 55.67 (1) 08 33 55.68 (0.7) 08 33 55.68
Declination 08 27 43.95 (0.5) 08 27 44.00 08 27 43.95 (0.6) 08 27 43.97 (0.5) 08 27 43.99
Spectral type DB DB DB DB+MS
Effective temperature [K] 25630.0 15538.0 15251.0 19142.0 (2065)
log(g) [cgs] 9.07 6.74 6.75 8.55 (0.3)
Mass [M] 1.219 0.193 0.194 0.934 (0.2)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -2.466
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] 0.52 (0.8) 0.62 (1) 0.52 (0.8)
Distance [pc] 1908.98 (2995) 1625.54 (3292) 1909.13 (2996)
Composition He
Proper motion (right ascension) [mas/yr] -4.955397635 (0.8) -5.004296664 (2) -4.955 (0.8)
Proper motion (declination) [mas/yr] -0.985562517 (0.6) -0.306396585 (2) -0.986 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.28 (0.05) 20.21 (0.05) 20.21 (0.05)
g magnitude 20.26 (0.02) 20.26 (0.03) 20.26 (0.03)
r magnitude 20.51 (0.03) 20.53 (0.03) 20.53 (0.03)
i magnitude 20.78 (0.05) 20.80 (0.05) 20.80 (0.05)
z magnitude 21.17 (0.3) 21.20 (0.3) 21.20 (0.3)
G magnitude 20.44 (0.1) 20.52 20.44 (0.008)
BP magnitude 20.31 (0.1) 20.09
RP magnitude 20.53 (0.2) 20.89
Pan g magnitude 20.34 (0.02)
Pan r magnitude 20.63 (0.01)
Pan i magnitude 20.92 (0.04)
Pan z magnitude 21.02 (0.08)
Pan y magnitude
E(B-V) 0.029

* 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.