SDSS J094335.49+521836.5

All names: SDSS J094335.48+521836.5, SDSS J094335.48+521836.4, WD 0940+525, Gaia EDR3 1020180558165945472, SDSS J094335.49+521836.50, Gaia DR3 1020180558165945472, GALEX J094335.3+521837, SDSS J094335.49+521836.5, SDSS J094335.50+521836.7, Gaia DR2 1020180558165945472

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 43 35.52 (0.5) 09 43 35.49 09 43 35.52 (0.8) 09 43 35.50 (0.5) 09 43 35.49 09 43 34.94 09 43 35.49
Declination 52 18 36.41 (0.5) 52 18 36.42 52 18 36.41 (1) 52 18 36.53 (0.5) 52 18 36.51 52 18 32.40 52 18 36.51
Spectral type DB DB DB DB DB DB+MS
Effective temperature [K] 21645.0 14745.0 21594.0 (1314) 21603.0 (991)
log(g) [cgs] 7.79 8.70 8.28 (0.3) 7.65 (0.1)
Mass [M] 0.489 1.03 0.438 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.6658
log(H/He) -4.162
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] 0.28 (0.6) -2.46 (1) 0.28 (0.6)
Distance [pc] 3582.04 (8064) 3581.66 (8061)
Composition He
Proper motion (right ascension) [mas/yr] 13.05408485 (0.6) 10.56515355 (2) 13.054 (0.6) 3.1
Proper motion (declination) [mas/yr] -7.982879467 (0.7) -6.209555775 (2) -7.983 (0.7) 2.6
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 20.30 (0.05) 20.31 (0.05) 20.31 (0.05) 20.30 20.32 (0.05)
g magnitude 20.30 (0.02) 20.31 (0.02) 20.33 (0.03) 20.32 20.33 (0.03)
r magnitude 20.64 (0.04) 20.64 (0.04) 20.67 (0.05) 20.67 (0.05)
i magnitude 21.07 (0.08) 21.07 (0.08) 21.08 (0.08) 21.09 (0.08)
z magnitude 20.98 (0.3) 21.02 (0.3) 21.04 (0.3) 21.06 (0.3)
G magnitude 20.51 (0.07) 20.59 20.51 (0.006)
BP magnitude 20.43 (0.07) 20.42
RP magnitude 20.65 (0.1) 20.76
Pan g magnitude 20.38 (0.03)
Pan r magnitude 20.65 (0.02)
Pan i magnitude 21.03 (0.03)
Pan z magnitude 21.05 (0.03)
Pan y magnitude
E(B-V) 0.022

* 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.