GD 405

All names: GD 405, WD 2314+47, TIC 173668371, Gaia DR3 1941569519830964992, Gaia EDR3 1941569519830964992, EGGR 456, UCAC4 688-127404, GALEX J231644.0+472715, 2MASS J23164386+4727155, Gaia DR2 1941569519830964992, WDJ231643.88+472715.50, WD 2314+471

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 23 16 44.07 (0.03) 23 16 44.07 (0.04) 23 16 44.07 23 16 43.88 (0.03) 23 16 44.07 23 16 43.82
Declination 47 27 16.17 (0.03) 47 27 16.15 (0.03) 47 27 16.17 47 27 15.50 (0.03) 47 27 16.15 47 27 11.16
Spectral type DA DA DA DA3.5 DA3
Effective temperature [K] 13731.0 14580.0 (331) 14344.0 (146)
log(g) [cgs] 8.41 8.42 (0.05) 8.45 (0.008)
Mass [M] 0.867 0.88 (0.03) 0.89 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.4861
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] 14.05 (0.04) 14.05 (0.05) 14.05 14.05 (0.04) 14.05 (0.05)
Distance [pc] 71.15 (0.2) 71.16 (0.3) 77.00 71.15 71.15 (0.2) 71.16 (0.3)
Composition H H
Proper motion (right ascension) [mas/yr] 123.8372491 (0.03) 123.7446069 (0.08) 123.837 (0.03) 123.7446069
Proper motion (declination) [mas/yr] 41.84090342 (0.03) 41.86952426 (0.07) 41.841 (0.03) 41.86952426
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.59 (0.004)
V magnitude 16.75 (0.007)
R magnitude 17.27 (0.003)
I magnitude 8.73 (0.003)
J magnitude 16.72 (0.1)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.35 (0.003) 16.38 16.35 16.35 (0.003) 16.38
BP magnitude 16.34 (0.003) 16.33 16.33
RP magnitude 16.43 (0.004) 16.44 16.44
Pan g magnitude 16.26 (0.003)
Pan r magnitude 16.49 (0.004)
Pan i magnitude 16.74 (0.003)
Pan z magnitude 16.96 (0.003)
Pan y magnitude 17.11 (0.01)
E(B-V) 0.009

* 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.