WD 1436-781

All names: TIC 349502268, WD 1436-781, CNS5 3642, NLTT 38003, Gaia DR3 5785654859950570496, L40-109, 2MASS J14425151-7823536, WDJ144251.51-782353.67, L 40-109, Gaia EDR3 5785654859950570496, Gaia DR2 5785654859950570496, LTT 5814

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Gaia DR2 Stilism Holberg et al. 2016 Sion et al. 2014 Gianninas et al. 2011 Subasavage et al. 2009 Subasavage et al. 2007 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 42 49.33 (0.03) 14 42 49.40 (0.03) 14 42 51.36 14 42 51.51 14 42 51.54 14 42 49.33 14 42 51.52 (0.03) 14 42 49.40 14 42 51.91
Declination -78 23 53.22 (0.03) -78 23 53.23 (0.03) -78 23 52.80 -78 23 53.60 -78 23 53.60 -78 23 53.22 -78 23 53.67 (0.03) -78 23 53.23 -78 23 54.60
Spectral type DA DA DA8.1 DA DA8.0 DA DA8.5 DA8.1
Effective temperature [K] 6206.0 (35) 6271.0 (200) 6270.0 5960.0 (180) 6270.0 (200) 6246.0 (200) 6316.0 (20)
log(g) [cgs] 8.12 (0.02) 8.06 (0.03) 7.18 (0.4) 8.08 (0.03) 8.16 (0.006)
Mass [M] 0.666 (0.01) 0.63 (0.02) 0.26 (0.1) 0.64 (0.02) 0.689 (0.005)
log(Luminosity) [L] -3.70 (0.02)
Cooling age [Gyr] 2.3600 2.4100 (0.2)
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] 41.69 (0.03) 41.69 (0.03) 41.71 (0.04) 40.56 (0.8) 40.56 (0.8) 41.69 41.69 (0.03) 41.71 (0.04) 40.50 (0.8)
Distance [pc] 23.99 (0.02) 23.99 (0.02) 23.98 (0.02) 24.65 (0.5) 24.65 40.00 24.65 (0.5) 26.00 23.99 23.99 (0.02) 23.98 (0.02) 24.69 (0.5)
Composition H H H H
Proper motion (right ascension) [mas/yr] -411.5772029 (0.03) -411.4952223 (0.07) -411.577 (0.03) -411.4952223
Proper motion (declination) [mas/yr] 28.3681473 (0.03) 28.33595447 (0.06) 28.368 (0.03) 28.33595447
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 16.11 16.11
R magnitude 15.82
I magnitude 15.49
J magnitude 15.04 (0.04) 15.04 (0.04) 15.04 (0.04)
H magnitude 14.88 (0.08) 14.88 (0.08) 14.88 (0.08)
K magnitude 14.76 (0.1) 14.76 (0.1) 14.76 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.95 (0.002) 15.96 15.95 15.95 (0.003) 15.96
BP magnitude 16.21 (0.002) 16.22 16.22
RP magnitude 15.52 (0.002) 15.53 15.53
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.002

* 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.