WD 1439+051

All names: WD 1439+051, Gaia DR2 1158897212864949504, SDSS J144213.38+045628.3, Gaia EDR3 1158897212864949504, GALEX J144213.3+045627, SDSS J144213.39+045628.3, Gaia DR3 1158897212864949504

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004
Right ascension 14 42 13.39 (0.7) 14 42 13.39 14 42 13.39 (1) 14 42 13.39 (0.7) 14 42 13.39 14 42 12.96 14 42 13.39 14 42 13.39
Declination 04 56 28.24 (0.6) 04 56 28.43 04 56 28.24 (1) 04 56 28.35 (0.6) 04 56 28.33 04 56 21.12 04 56 28.34 04 56 28.36
Spectral type DA DA DA3.3 DA
Effective temperature [K] 15584.0 (2621) 15814.0 (1528) 15474.0 (2912)
log(g) [cgs] 7.44 (0.4) 7.36 (0.3) 7.51 (0.4)
Mass [M] 0.38 (0.08)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.05 (0.8)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 3.574901634 (0.8) 3.575 (0.8) 13.1 15.0
Proper motion (declination) [mas/yr] -7.113506254 (0.7) -7.114 (0.7) -12.6 -11.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.65 (0.07) 20.68 (0.08) 20.71 (0.08) 20.68 20.70 (0.08) 20.68 (0.08)
g magnitude 20.28 (0.02) 20.41 (0.03) 20.41 (0.04) 20.42 20.41 (0.04) 20.42 (0.04)
r magnitude 20.60 (0.04) 20.69 (0.04) 20.69 (0.05) 20.69 20.68 (0.05) 20.69 (0.05)
i magnitude 20.74 (0.06) 20.84 (0.08) 20.84 (0.07) 20.83 20.84 (0.07) 20.83 (0.07)
z magnitude 20.75 (0.2) 21.64 (0.6) 21.52 (0.5) 21.54 21.52 (0.5) 21.54 (0.5)
G magnitude 20.49 (0.1) 20.58 20.49 (0.01)
BP magnitude 20.36 (0.1) 20.55
RP magnitude 19.93 (0.2) 20.61
Pan g magnitude 20.40 (0.02)
Pan r magnitude 20.58 (0.02)
Pan i magnitude 20.92 (0.04)
Pan z magnitude 21.01 (0.02)
Pan y magnitude
E(B-V)

* 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.