SDSS J104043.68+123011.4

All names: Gaia DR2 3884387084135922432, SDSS J104043.68+123011.4, SDSS J104043.68+123011.45, GALEX J104043.7+123011, SDSS J104043.69+123011.3, Gaia EDR3 3884387084135922432, Gaia DR3 3884387084135922432

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 10 40 43.68 (0.5) 10 40 43.68 10 40 43.68 (0.9) 10 40 43.69 (0.5)
Declination 12 30 11.09 (0.4) 12 30 11.43 12 30 11.10 (0.5) 12 30 11.49 (0.4)
Spectral type DA DA DA DA
Effective temperature [K] 12691.0 12906.0 (390)
log(g) [cgs] 8.49 7.63 (0.06)
Mass [M] 0.918 0.4529999999999999 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.6871
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 1.90 (0.5) 3.30 (1) 1.90 (0.5)
Distance [pc] 525.53 (142) 302.74 (97) 525.54 (142)
Composition H
Proper motion (right ascension) [mas/yr] -8.828709823 (0.6) -7.888078038 (1) -8.829 (0.6)
Proper motion (declination) [mas/yr] -25.22417547 (0.4) -25.56904322 (1) -25.224 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.19 (0.04) 20.20 (0.04) 20.19 (0.04)
g magnitude 19.65 (0.01) 19.67 (0.02) 19.66 (0.01)
r magnitude 19.86 (0.02) 19.85 (0.02) 19.86 (0.02)
i magnitude 20.30 (0.03) 20.33 (0.06) 20.30 (0.03)
z magnitude 20.27 (0.1) 20.21 (0.1) 20.27 (0.1)
G magnitude 19.74 (0.05) 19.83 19.74 (0.007)
BP magnitude 19.77 (0.05) 19.65
RP magnitude 19.78 (0.09) 19.70
Pan g magnitude 19.66 (0.009)
Pan r magnitude 19.87 (0.01)
Pan i magnitude 20.13 (0.01)
Pan z magnitude 20.28 (0.05)
Pan y magnitude 20.15 (0.07)
E(B-V) 0.025

* 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.