SDSS J113716.68+405527.3

All names: GALEX J113716.7+405527, Gaia DR3 767757393076691712, SDSS J113716.68+405527.3, Gaia DR2 767757393076691712, SDSS J113716.68+405527.30, SDSS J113716.68+405527.2, Gaia EDR3 767757393076691712

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 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 37 16.68 (0.5) 11 37 16.68 11 37 16.68 (1) 11 37 16.68 (0.5) 11 37 16.68
Declination 40 55 27.38 (0.5) 40 55 27.26 40 55 27.37 (0.6) 40 55 27.16 (0.5) 40 55 27.26
Spectral type DB DB DB DB
Effective temperature [K] 18821.0 17438.0 22892.0 18557.0 (827)
log(g) [cgs] 8.68 8.29 8.61 8.15 (0.3)
Mass [M] 1.023 0.77 0.984 0.679 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 0.1682
log(H/He) <-5.098
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] 1.50 (0.9) 1.54 (1) 1.50 (0.9)
Distance [pc] 666.94 (378) 648.06 (441) 666.93 (378)
Composition He
Proper motion (right ascension) [mas/yr] -3.319477739 (0.8) -1.534035746 (2) -3.319 (0.8)
Proper motion (declination) [mas/yr] 13.83310504 (0.6) 14.20314113 (1) 13.833 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.21 (0.05) 20.22 (0.05) 20.18 (0.05)
g magnitude 20.29 (0.02) 20.31 (0.02) 20.35 (0.03)
r magnitude 20.62 (0.03) 20.60 (0.03) 20.60 (0.03)
i magnitude 20.88 (0.05) 20.89 (0.05) 20.79 (0.06)
z magnitude 21.48 (0.3) 21.36 (0.3) 21.36 (0.3)
G magnitude 20.52 (0.06) 20.58 20.52 (0.007)
BP magnitude 20.36 (0.06) 20.32
RP magnitude 20.36 (0.1) 20.40
Pan g magnitude 20.35 (0.02)
Pan r magnitude 20.61 (0.05)
Pan i magnitude 20.97 (0.03)
Pan z magnitude 21.11 (0.04)
Pan y magnitude
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.