WD 0953+594

All names: WD 0953+594, Gaia DR2 1049598202217308160, SDSS J095645.14+591240.6, GALEX J095645.1+591241, Gaia EDR3 1049598202217308160, SDSS J095645.13+591240.6, Gaia DR3 1049598202217308160, SDSS J095645.15+591240.6, J0956+5912

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Blouin 2020 Coutu et al. 2019 Gaia DR2 Stilism Hollands et al. 2017 Koester et al. 2011 Dufour et al. 2007 Harris et al. 2003 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 56 44.92 (0.08) 09 56 45.15 09 56 45.15 09 56 44.92 (0.1) 09 56 44.92 09 56 45.15 (0.08) 09 56 45.14 09 56 45.19 09 56 45.15
Declination 59 12 40.13 (0.09) 59 12 40.66 59 12 40.64 59 12 40.15 (0.1) 59 12 40.13 59 12 40.64 (0.09) 59 12 40.63 59 12 37.44 59 12 40.64
Spectral type DZ DZA DZ DZ DZA DZA DZ DZA DZA DZAMG DZA DZ
Effective temperature [K] 8843.0 (180) 8723.0 (105) 8800.0 (110) 8800.0 8230.0 (80) 8023.0 (163) 7273.0 (40) 7375.0 (44)
log(g) [cgs] 8.17 (0.04) 8.13 8.00 (0) 8.00 7.85 (0.04) 9.00 (0.009) 9.95 (0.06)
Mass [M] 0.683 (0.03) 0.6569 0.491 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.0700 1.0000
log(H/He) -3.5355 (0.2) -3.6 -3.25 -3.2 (0.09)
log(C/He)
log(Ca/He) -7.1 (0.1) -7.1179 (0.09) -7.15 -7.3 -7.54 (0.06)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He) -6.6 -7.0
log(Mg/He) -5.2 (0.1) -5.3 -5.5
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) -7.5
log(Mn/He)
log(Fe/He) -6.2 (0.1) -6.14 -6.5
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 7.41 (0.1) 7.20 7.20 (0.2) 7.41 7.41 (0.1)
Distance [pc] 134.92 (2) 138.37 (3) 138.82 (3) 138.82 (3) 139.00 (19) 128.00 134.92 134.92 (2)
Composition He He He He He
Proper motion (right ascension) [mas/yr] -110.5884173 (0.09) -110.9754442 (0.2) -110.588 (0.09) -111.5
Proper motion (declination) [mas/yr] -31.48797277 (0.1) -31.53177587 (0.3) -31.488 (0.1) -46.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.95 (0.02) 18.94 (0.03) 18.94 (0.03) 18.97 (0.02) 18.94 18.95 (0.02) 18.96 (0.02) 18.94 18.97 (0.02)
g magnitude 18.38 (0.007) 18.39 (0.02) 18.39 (0.02) 18.39 (0.02) 18.37 18.38 (0.007) 18.38 (0.02) 18.37 18.39 (0.02)
r magnitude 18.40 (0.009) 18.41 (0.01) 18.41 (0.01) 18.40 (0.02) 18.39 18.40 (0.009) 18.39 (0.02) 18.39 18.40 (0.02)
i magnitude 18.55 (0.01) 18.56 (0.02) 18.56 (0.02) 18.55 (0.02) 18.55 18.55 (0.01) 18.55 (0.02) 18.55 18.55 (0.02)
z magnitude 18.75 (0.03) 18.75 (0.04) 18.75 (0.04) 18.74 (0.04) 18.76 18.75 (0.04) 18.73 (0.04) 18.75 18.74 (0.04)
G magnitude 18.38 (0.02) 18.41 18.38 18.38 (0.003)
BP magnitude 18.49 (0.02) 18.45
RP magnitude 18.30 (0.02) 18.25
Pan g magnitude 18.39 (0.007)
Pan r magnitude 18.41 (0.006)
Pan i magnitude 18.57 (0.005)
Pan z magnitude 18.78 (0.01)
Pan y magnitude 18.85 (0.02)
E(B-V) 0.010

* 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.