SDSS J111157.31+061027.4

All names: WD 1109+064, SDSS J111157.31+061027.4, SDSS J111157.31+061027.40, Gaia DR3 3817194000121855488, Gaia DR2 3817194000121855488, Gaia EDR3 3817194000121855488, GALEX J111157.3+061027

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 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 11 57.31 (0.4) 11 11 57.31 11 11 57.31 (0.8) 11 11 57.31 (0.4) 11 11 57.31 11 11 57.34 11 11 57.31
Declination 06 10 27.46 (0.4) 06 10 27.43 06 10 27.46 (0.7) 06 10 27.45 (0.4) 06 10 27.42 06 10 22.80 06 10 27.40
Spectral type DB DB DB DB DB DB
Effective temperature [K] 16837.0 16982.0 13349.0 16661.0 (408) 16190.0 (442)
log(g) [cgs] 8.51 7.51 7.10 8.25 (0.3) 8.22 (0.3)
Mass [M] 0.915 0.362 0.238 0.719 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 0.1210
log(H/He) -4.735
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] 2.45 (0.4) 1.30 (0.7) 2.45 (0.4)
Distance [pc] 407.37 (69) 769.66 (392) 407.37 (69)
Composition He
Proper motion (right ascension) [mas/yr] -1.086525626 (0.6) -2.019889423 (1) -1.087 (0.6) 6.1
Proper motion (declination) [mas/yr] 0.848991895 (0.5) 2.684784529 (1) 0.849 (0.5) 3.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.60 (0.03) 19.60 (0.03) 19.62 (0.04) 19.61 19.63 (0.04)
g magnitude 19.71 (0.02) 19.71 (0.01) 19.72 (0.02) 19.71 19.74 (0.02)
r magnitude 19.95 (0.02) 19.95 (0.02) 19.95 (0.02) 19.94 19.96 (0.02)
i magnitude 20.20 (0.03) 20.20 (0.03) 20.21 (0.04) 20.20 20.22 (0.04)
z magnitude 20.33 (0.1) 20.33 (0.1) 20.30 (0.1) 20.29 20.32 (0.1)
G magnitude 19.81 (0.08) 19.88 19.81 (0.006)
BP magnitude 19.78 (0.08) 19.71
RP magnitude 19.74 (0.1) 19.42
Pan g magnitude 19.72 (0.008)
Pan r magnitude 19.97 (0.02)
Pan i magnitude 20.18 (0.02)
Pan z magnitude 20.41 (0.03)
Pan y magnitude
E(B-V) 0.028

* 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.