LB 216

All names: WDJ042641.73+141215.87, USNO-B1.0 1042-00043001, WD 0423+140, WD 0423+141, LB 216, Gaia EDR3 3310871201928485248, Gaia DR2 3310871201928485248, Gaia DR3 3310871201928485248, KUV 04239+1406

Parameter Unit Gaia EDR3 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 04 26 41.68 (0.1) 04 26 41.69 (0.2) 04 26 41.68 04 26 41.71 (476) 04 26 41.69 04 26 41.16
Declination 14 12 16.74 (0.07) 14 12 16.71 (0.08) 14 12 16.74 14 12 15.58 (379) 14 12 16.71 14 12 12.60
Spectral type DA DA: DA2.6 DA
Effective temperature [K] 19550.0 (418) 20316.0 (927)
log(g) [cgs] 8.88 (0.07) 9.04 (0.04)
Mass [M] 1.15 (0.03) 1.217 (0.02)
log(Luminosity) [L]
Cooling age [Gyr]
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] 10.12 (0.1) 10.29 (0.2) 10.12 10.29 (0.2)
Distance [pc] 98.85 (1) 97.15 (2) 75.00 98.85 97.15 (2)
Composition H
Proper motion (right ascension) [mas/yr] -46.05956342 (0.2) -45.3711434 (0.5) -88.0 (32) -45.3711434
Proper motion (declination) [mas/yr] 54.20850083 (0.1) 54.3175149 (0.2) 50.0 (40) 54.3175149
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.50
V magnitude 17.56
R magnitude 17.80
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.85 (0.008) 17.87 17.85 17.87
BP magnitude 17.57 (0.008) 17.49 17.49
RP magnitude 17.46 (0.01) 17.43 17.43
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.004

* 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.