SDSS J104059.40+335551.3

All names: GALEX J104059.4+335551, Gaia EDR3 749976572069061760, SDSS J104059.39+335551.3, Gaia DR2 749976572069061760, SDSS J104059.39+335551.2, Gaia DR3 749976572069061760, SDSS J104059.40+335551.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 40 59.39 (0.2) 10 40 59.39 10 40 59.39 (0.4) 10 40 59.39 (0.2) 10 40 59.40
Declination 33 55 50.84 (0.2) 33 55 51.27 33 55 50.85 (0.3) 33 55 51.38 (0.2) 33 55 51.31
Spectral type DA DA DA DA
Effective temperature [K] 13572.0 14512.0 (719)
log(g) [cgs] 7.88 8.17 (0.1)
Mass [M☉] 0.542 0.706 (0.1)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2234
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] 2.27 (0.3) 2.30 (0.4) 2.27 (0.3)
Distance [pc] 440.70 (65) 433.85 (82) 440.70 (65)
Composition H
Proper motion (right ascension) [mas/yr] -3.156141913 (0.3) -3.301854797 (0.6) -3.156 (0.3)
Proper motion (declination) [mas/yr] -34.06026528 (0.3) -34.65859009 (0.5) -34.06 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.82 (0.04) 19.82 (0.04) 19.83 (0.04)
g magnitude 19.35 (0.01) 19.35 (0.01) 19.42 (0.06)
r magnitude 19.65 (0.02) 19.65 (0.02) 19.68 (0.04)
i magnitude 19.86 (0.03) 19.86 (0.03) 19.90 (0.03)
z magnitude 19.99 (0.1) 19.98 (0.1) 20.02 (0.1)
G magnitude 19.52 (0.04) 19.56 19.52 (0.004)
BP magnitude 19.52 (0.04) 19.43
RP magnitude 19.57 (0.07) 19.70
Pan g magnitude 19.40 (0.02)
Pan r magnitude 19.64 (0.01)
Pan i magnitude 19.89 (0.02)
Pan z magnitude 20.14 (0.03)
Pan y magnitude 20.08 (0.1)
E(B-V) 0.021

* 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.