WD 1405+748

All names: UCAC4 824-016420, Gaia DR2 1712016196599965312, WD 1405+748, GD 491, Gaia DR3 1712016196599965312, GALEX J140540.6+743859, WDJ140540.78+743900.19, Gaia EDR3 1712016196599171840, FBS 1405+749, FBS B 1015

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 05 40.31 (0.2) 14 05 40.51 (0.1) 14 05 40.51 14 05 40.79 (0.06) 14 05 40.51 14 05 40.08
Declination 74 38 59.73 (0.3) 74 38 59.33 (0.08) 74 38 59.30 74 39 00.21 (0.06) 74 38 59.33 74 38 56.40
Spectral type DA DA DA DA
Effective temperature [K] 8557.0 9969.0 (83)
log(g) [cgs] 7.28 7.68 (0.02)
Mass [M] 0.277 0.433 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.4511
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] 17.94 (0.2) 17.14 (0.1) 17.55 17.55 (0.06) 17.14 (0.1)
Distance [pc] 55.74 (0.7) 58.35 (0.3) 56.99 56.99 (0.2) 58.35 (0.3)
Composition H
Proper motion (right ascension) [mas/yr] -67.58962617 (0.6) -68.69581049 (0.2) -69.43 (0.08) -68.69581049
Proper motion (declination) [mas/yr] -62.87975519 (0.5) -55.75504636 (0.2) -56.677 (0.07) -55.75504636
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.69 (0.07)
V magnitude 15.49 (0.04)
R magnitude 15.79 (0.2)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.70 15.59 15.58 15.58 (0.003) 15.59
BP magnitude 15.59 15.59
RP magnitude 15.39 15.39
Pan g magnitude 15.53 (0.003)
Pan r magnitude 15.69 (0.01)
Pan i magnitude 15.83 (0.005)
Pan z magnitude 15.76 (0.007)
Pan y magnitude 15.62 (0.03)
E(B-V) 0.005

* 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.