All names: Gaia DR2 6478328218869704192, PM J17476-5436, WDJ174736.82-543631.16, PM I17476-5436, WD 1743-545, 2MASS J17473683-5436310
Parameter | Unit | Gaia DR2 | Subasavage et al. 2017 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|
Right ascension | 17 47 36.13 (0.06) | 17 47 36.81 | 17 47 36.83 | 17 47 36.13 | |
Declination | -54 36 35.92 (0.05) | -54 36 03.02 | -54 36 31.09 | -54 36 35.92 | |
Spectral type | DC | ||||
Effective temperature | [K] | 4530.0 (120) | |||
log(g) | [cgs] | 7.97 (0.06) | |||
Mass | [M☉] | 0.56 (0.05) | |||
log(Luminosity) | [L☉] | -4.21 (0.06) | |||
Cooling age | [Gyr] | 7.2100 (0.7) | |||
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] | 73.98 (0.07) | 74.04 (1) | 73.98 (0.07) | |
Distance | [pc] | 13.52 (0.01) | 13.51 (0.2) | 13.52 (0.01) | |
Composition | H | ||||
Proper motion (right ascension) | [mas/yr] | -383.9530866 (0.09) | -392.0 | -383.9530866 | |
Proper motion (declination) | [mas/yr] | -306.6804342 (0.08) | -244.0 | -306.6804342 | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | 16.28 | 15.52 | |||
R magnitude | 15.66 | ||||
I magnitude | 15.10 | ||||
J magnitude | 14.46 (0.03) | 14.46 | |||
H magnitude | 14.22 (0.05) | 14.22 | |||
K magnitude | 14.29 (0.07) | 14.29 | |||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 15.95 | 15.95 | |||
BP magnitude | 16.55 | 16.55 | |||
RP magnitude | 15.20 | 15.20 | |||
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.