LP 50-73

All names: WD 0011-721, NLTT 681, WDJ001349.89-714954.26, LP 50-73, 2MASS J00134994-7149544, Gaia DR2 2418116963320446720

Parameter Unit Gaia DR2 Subasavage et al. 2017 Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Subasavage et al. 2008 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 00 13 50.66 (0.02) 00 13 49.91 00 13 49.68 00 13 49.91 00 13 49.94 00 13 50.66 00 13 49.46
Declination -71 49 58.10 (0.02) -71 49 05.03 -71 49 51.60 -71 49 54.20 -71 49 54.43 -71 49 58.10 -71 49 49.08
Spectral type DA DA DA7.8 DA DA8.0 DA8 DA8.0
Effective temperature [K] 6340.0 (150) 6326.0 (152) 6325.0 6325.0 (203) 6439.0 (152)
log(g) [cgs] 7.89 (0.04) 7.98 (0) (0)
Mass [M] 0.53 (0.04) 0.58 (0) 0.59 (0)
log(Luminosity) [L] -3.57 (0.05) -3.63
Cooling age [Gyr] 1.6600 (0.1) 1.9300 1.9600
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] 53.23 (0.03) 52.77 (1) 53.23 (0.03) 56.10
Distance [pc] 18.79 (0.009) 18.95 (0.4) 17.84 (0.2) 17.60 (0.7) 17.80 18.79 (0.009) 17.83
Composition H H H H
Proper motion (right ascension) [mas/yr] 233.0266712 (0.04) 287.726 233.0266712
Proper motion (declination) [mas/yr] -247.6975257 (0.04) -319.552 -247.6975257
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 15.17 15.17 15.17
R magnitude 14.87 14.87
I magnitude 14.55 14.55
J magnitude 14.21 (0.03) 14.21 14.21 (0.03) 14.21
H magnitude 13.97 (0.04) 13.97 13.97 (0.04) 13.97
K magnitude 13.91 (0.05) 13.92 13.92 (0.05) 13.91
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.05 15.05
BP magnitude 15.30 15.30
RP magnitude 14.63 14.63
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.