SBSS 1105+581

All names: WD 1105+581, SDSS J110834.78+575403.4, SDSS J110834.77+575403.40, GALEX J110834.7+575403, Gaia DR2 857084058475689856, Gaia DR3 857084058475689856, SDSS J110834.75+575403.2, SDSS J110834.77+575403.4, SDSS J110834.79+575403.4, Gaia EDR3 857084058475689856, SDSS J110834.78+575403.3, SBSS 1105+581

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 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 11 08 34.72 (0.05) 11 08 34.79 11 08 34.73 (0.07) 11 08 34.72 11 08 34.79 (0.05) 11 08 34.79 11 08 34.25 11 08 34.77
Declination 57 54 03.15 (0.06) 57 54 03.40 57 54 03.16 (0.08) 57 54 03.15 57 54 03.39 (0.06) 57 54 03.42 57 53 56.76 57 54 03.39
Spectral type DBAH: DB DBAH DBA DBA DBAH: DB
Effective temperature [K] 15627.0 14989.0 14468.0 15497.0 (37) 14788.0 (359) 16327.0 (95) 15839.0 (110)
log(g) [cgs] 8.25 8.15 8.11 8.00 (0) 8.12 (0.03) 8.44 (0.05) 8.49 (0.07)
Mass [M] 0.743 0.68 0.652 0.664 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.2668
log(H/He) -4.49 -4.38 (0.1)
log(C/He)
log(Ca/He) <-7.52
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] 6.10 (0.08) 6.09 (0.1) 6.10 6.10 (0.08)
Distance [pc] 163.80 (2) 164.32 (3) 186.00 163.80 163.80 (2)
Composition He
Proper motion (right ascension) [mas/yr] -31.19506178 (0.06) -31.15799823 (0.1) -31.195 (0.06) -25.2
Proper motion (declination) [mas/yr] -14.86352934 (0.07) -14.71219049 (0.2) -14.864 (0.07) -16.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.31 (0.008) 17.31 (0.008) 17.30 (0.02) 17.29 17.30 (0.02)
g magnitude 17.41 (0.005) 17.41 (0.005) 17.42 (0.02) 17.41 17.43 (0.02)
r magnitude 17.73 (0.006) 17.73 (0.006) 17.71 (0.02) 17.70 17.72 (0.02)
i magnitude 17.96 (0.008) 17.96 (0.008) 17.93 (0.02) 17.92 17.95 (0.02)
z magnitude 18.20 (0.02) 18.20 (0.02) 18.18 (0.04) 18.17 18.21 (0.04)
G magnitude 17.56 (0.005) 17.59 17.56 17.56 (0.003)
BP magnitude 17.50 (0.005) 17.43
RP magnitude 17.66 (0.01) 17.67
Pan g magnitude 17.49 (0.002)
Pan r magnitude 17.74 (0.004)
Pan i magnitude 18.00 (0.006)
Pan z magnitude 18.20 (0.01)
Pan y magnitude 18.36 (0.02)
E(B-V) 0.015

* 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.