WD 1449+168

All names: TIC 72732338, USNO-B1.0 1066-00236881, PG 1449+168, Gaia DR2 1188119762325721600, WD 1449+168, Gaia DR3 1188119762325721600, 2MASS J14521139+1638035, SDSS J145211.39+163803.9, Gaia EDR3 1188119762325721600, GALEX J145211.3+163804, WDJ145211.39+163803.67

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Liebert et al. 2005 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 52 11.39 (0.04) 14 52 11.39 (0.06) 14 52 11.39 14 52 11.39 (0.04) 14 52 11.39 14 52 11.14
Declination 16 38 04.55 (0.05) 16 38 04.52 (0.09) 16 38 04.55 16 38 03.67 (0.05) 16 38 04.52 16 37 56.28
Spectral type DA DA DA DA2.2 DA3
Effective temperature [K] 20143.0 22640.0 (348) 22346.0 (46) 21600.0 (336) 21613.0 (341)
log(g) [cgs] 7.79 7.90 (0.05) 7.79 (0.007) 7.88 (0.05) 7.89 (0.01)
Mass [M] 0.516 0.57 (0.02) 0.56 (0.02) 0.57 (0.01)
log(Luminosity) [L] -1.39
Cooling age [Gyr] 0.0416 0.0490
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] 10.22 (0.05) 10.07 (0.09) 10.22 10.22 (0.05) 10.07 (0.09)
Distance [pc] 97.88 (0.5) 99.34 (0.9) 102.00 101.00 97.88 97.88 (0.5) 99.34 (0.9)
Composition H H
Proper motion (right ascension) [mas/yr] 2.394355893 (0.06) 1.988700238 (0.1) 2.394 (0.06) 1.988700238
Proper motion (declination) [mas/yr] 54.5530546 (0.06) 55.15001173 (0.2) 54.553 (0.06) 55.15001173
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.60
V magnitude 15.44 15.44 15.39
R magnitude 15.50
I magnitude
J magnitude 15.97 (0.01)
H magnitude 16.08 (0.02)
K magnitude 15.86 (0.04)
u magnitude 15.25 (0.03) 15.25 (0.004) 15.26
g magnitude 15.25 (0.02) 15.23 (0.003) 15.23
r magnitude 15.63 (0.02) 15.64 (0.003) 15.64
i magnitude 15.94 (0.03) 15.95 (0.004) 15.94
z magnitude 16.26 (0.02) 16.25 (0.008) 16.26
G magnitude 15.45 (0.003) 15.46 15.45 15.45 (0.003) 15.46
BP magnitude 15.35 (0.003) 15.32 15.32
RP magnitude 15.65 (0.003) 15.65 15.65
Pan g magnitude 15.28 (0.002)
Pan r magnitude 15.65 (0.005)
Pan i magnitude 15.98 (0.004)
Pan z magnitude 16.23 (0.003)
Pan y magnitude 16.39 (0.01)
E(B-V) 0.014

* 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.