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
Spectra without link are available upon request
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.