SDSS J143458.44+403702.4

All names: SDSS J143458.42+403702.2, GALEX J143458.4+403702, Gaia DR2 1488278220435657088, Gaia DR3 1488278220435657088, WD 1433+408, SDSS J143458.44+403702.4, Gaia EDR3 1488278220435657088

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 34 58.41 (0.2) 14 34 58.44 14 34 58.41 (0.2) 14 34 58.46 (0.2) 14 34 58.44 14 34 57.96 14 34 58.44
Declination 40 37 02.26 (0.2) 40 37 02.43 40 37 02.26 (0.2) 40 37 02.48 (0.2) 40 37 02.42 40 36 55.80 40 37 02.42
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 18639.0 20784.0 (549) 20904.0 (555)
log(g) [cgs] 7.72 7.77 (0.1) 7.80 (0.1)
Mass [M☉] 0.475 0.53 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0545
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] 1.73 (0.3) 1.65 (0.3) 1.73 (0.3)
Distance [pc] 579.05 (87) 604.39 (112) 579.04 (87)
Composition H
Proper motion (right ascension) [mas/yr] -35.23084869 (0.2) -35.08750038 (0.4) -35.231 (0.2) -36.2
Proper motion (declination) [mas/yr] -14.1924274 (0.2) -14.15030471 (0.4) -14.192 (0.2) -17.8
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.28 (0.02) 19.28 (0.03) 19.33 (0.03) 19.33 19.32 (0.03)
g magnitude 19.20 (0.01) 19.20 (0.01) 19.22 (0.03) 19.22 19.20 (0.03)
r magnitude 19.60 (0.02) 19.60 (0.02) 19.63 (0.03) 19.63 19.62 (0.02)
i magnitude 19.84 (0.03) 19.84 (0.03) 19.85 (0.03) 19.85 19.84 (0.03)
z magnitude 19.98 (0.1) 19.98 (0.1) 20.01 (0.09) 20.01 19.99 (0.09)
G magnitude 19.41 (0.02) 19.46 19.41 (0.004)
BP magnitude 19.37 (0.02) 19.32
RP magnitude 19.73 (0.05) 19.51
Pan g magnitude 19.24 (0.008)
Pan r magnitude 19.60 (0.02)
Pan i magnitude 19.90 (0.02)
Pan z magnitude 20.13 (0.03)
Pan y magnitude 20.52 (0.2)
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.