GD 396

All names: Gaia DR2 1947802032776803584, Gaia EDR3 1947802032776803584, WD 2143+353, GD 396, Gaia DR3 1947802032776803584, USNO-B1.0 1255-00486377, 2MASS J21452362+3532102, LSPM J2145+3532, WD 2143+35, EGGR 449, TIC 287443040

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 21 45 23.86 (0.02) 21 45 23.86 (0.03) 21 45 23.86 21 45 23.65 (0.02) 21 45 23.26
Declination 35 32 11.25 (0.03) 35 32 11.21 (0.04) 35 32 11.25 35 32 09.92 (0.03) 35 32 09.60
Spectral type DA DA DA1.9 DA2
Effective temperature [K] 26100.0 (411) 23622.0 (217)
log(g) [cgs] 7.88 (0.05) 7.88 (0.01)
Mass [M] 0.58 (0.03) 0.567 (0.007)
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] 7.67 (0.04) 7.70 (0.06) 7.67 7.67 (0.04)
Distance [pc] 130.32 (0.7) 129.94 (0.9) 121.00 130.32 130.32 (0.7)
Composition H
Proper motion (right ascension) [mas/yr] 163.6632294 (0.03) 163.6390313 (0.06) 163.663 (0.03)
Proper motion (declination) [mas/yr] 83.19749265 (0.03) 83.2211569 (0.09) 83.197 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.50
V magnitude
R magnitude 16.00
I magnitude
J magnitude 16.09 (0.1)
H magnitude 15.92 (0.2)
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.88 (0.002) 15.90 15.88 15.88 (0.003)
BP magnitude 15.78 (0.002) 15.73
RP magnitude 16.09 (0.003) 16.09
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.026

* 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.