All names: WD 2043-635, TIC 340999692, WDJ204711.17-632014.97, WD 2043-63, UCAC2 4023928, EC 20429-6331, DENIS J204711.0-632014, 2MASS J20471113-6320146, UCAC3 54-389197, Gaia DR2 6450625198774637056, GEN# +6.00213537, Gaia EDR3 6450625198774637056, USNO-B1.0 0266-00709108, Gaia DR3 6450625198774637056, uvby98 600213537, L 162-160, GSC2 S31301135624, BPM 13537, DENIS J204711.1-632014
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 47 11.27 (0.02) | 20 47 11.27 (0.03) | 20 47 11.27 | 20 47 11.17 (0.02) | 20 47 11.27 | 20 47 14.18 | |||
| Declination | -63 20 15.50 (0.03) | -63 20 15.49 (0.04) | -63 20 15.50 | -63 20 14.97 (0.03) | -63 20 15.49 | -63 19 58.44 | |||
| Spectral type | DA | DA | DA1.8 | DA3 | |||||
| Effective temperature | [K] | 27740.0 (426) | 25153.0 (253) | ||||||
| log(g) | [cgs] | 8.23 (0.05) | 8.44 (0.01) | ||||||
| Mass | [M☉] | 0.78 (0.03) | 0.9 (0.008) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| 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] | 12.12 (0.04) | 12.10 (0.06) | 12.12 | 12.12 (0.04) | 12.10 (0.06) | |||
| Distance | [pc] | 82.48 (0.3) | 82.65 (0.4) | 101.00 | 82.48 | 82.48 (0.3) | 82.65 (0.4) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 44.63544608 (0.03) | 44.54111351 (0.06) | 44.635 (0.03) | 44.54111351 | ||||
| Proper motion (declination) | [mas/yr] | -33.30840928 (0.03) | -33.36402476 (0.08) | -33.308 (0.03) | -33.36402476 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.36 | ||||||||
| V magnitude | 15.52 | ||||||||
| R magnitude | 16.19 (0.2) | ||||||||
| I magnitude | 15.82 (0.06) | ||||||||
| J magnitude | 16.26 (0.09) | ||||||||
| H magnitude | 16.36 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 15.64 (0.002) | 15.66 | 15.64 | 15.64 (0.003) | 15.66 | ||||
| BP magnitude | 15.52 (0.002) | 15.47 | 15.47 | ||||||
| RP magnitude | 15.88 (0.003) | 15.88 | 15.88 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.005 | ||||||||
* Constant surface field
Spectra without link are available upon request
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.