SDSS J114054.87+532827.4

All names: SDSS J114054.87+532827.4, Gaia DR3 840377937068042752, Gaia DR2 840377937068042752, J1140+5328, SDSS J114054.88+532827.4, WD 1138+537, SDSS J114054.84+532827.4, SDSS J114054.88+532827.3, Gaia EDR3 840377937068042752

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 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 40 54.83 (0.1) 11 40 54.88 11 40 54.89 11 40 54.83 (0.2) 11 40 54.83 11 40 54.89 (0.1) 11 40 54.88 11 40 54.82 11 40 54.87
Declination 53 28 27.49 (0.2) 53 28 27.39 53 28 27.33 53 28 27.49 (0.2) 53 28 27.49 53 28 27.34 (0.2) 53 28 27.42 53 28 22.08 53 28 27.42
Spectral type DZA DZA DZ DZ+M DZ DZ DZM: DZ
Effective temperature [K] 9829.0 (323) 9860.0 (250) 9815.0 (391) 10723.0 (242) 10602.0 (225)
log(g) [cgs] 8.14 8.00 8.06 (0.07) 8.18 (0.5) 9.39 (0.4)
Mass [M] 0.6676 0.615 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.8080
log(H/He) -4.6525 (0.4) -4.51 (0.2)
log(C/He)
log(Ca/He) -8.2644 (0.1) -8.54 (0.1)
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] 4.68 (0.2) 4.56 4.56 (0.3) 4.68 4.68 (0.2)
Distance [pc] 213.60 (9) 219.35 (15) 219.35 (15) 232.00 213.60 213.60 (9)
Composition He He
Proper motion (right ascension) [mas/yr] -35.0127566 (0.2) -34.85737735 (0.3) -35.013 (0.2) -30.4
Proper motion (declination) [mas/yr] 9.651160535 (0.2) 9.886252838 (0.4) 9.651 (0.2) 6.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.29 (0.02) 19.29 (0.03) 19.31 (0.03) 19.30 19.30 (0.03)
g magnitude 19.14 (0.01) 19.14 (0.01) 19.15 (0.02) 19.14 19.15 (0.02)
r magnitude 19.28 (0.01) 19.28 (0.01) 19.29 (0.02) 19.28 (0.02)
i magnitude 19.41 (0.02) 19.41 (0.02) 19.43 (0.03) 19.41 (0.03)
z magnitude 19.55 (0.07) 19.55 (0.07) 19.57 (0.09) 19.55 (0.09)
G magnitude 19.17 (0.02) 19.20 19.17 19.17 (0.003)
BP magnitude 19.23 (0.02) 19.18
RP magnitude 19.15 (0.03) 19.15
Pan g magnitude 19.15 (0.005)
Pan r magnitude 19.29 (0.006)
Pan i magnitude 19.41 (0.007)
Pan z magnitude 19.58 (0.01)
Pan y magnitude 19.54 (0.04)
E(B-V) 0.017

* 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.