All names: Gaia DR2 6461163674128390656, WISE J215943.33-542401.2, WD 2156-546, 2MASS J21594331-5424012, TIC 394017636, USNO-B1.0 0355-00843723, WISEA J215943.34-542401.4, WD2156-546, Gaia EDR3 6461163674128390656, Gaia DR3 6461163674128390656
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Koester et al. 2001 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 21 59 43.35 (0.04) | 21 59 43.35 (0.05) | 21 56 21.30 | 21 59 43.33 (0.04) | ||
| Declination | -54 24 01.41 (0.04) | -54 24 01.41 (0.06) | -54 38 24.00 | -54 24 01.36 (0.04) | ||
| Spectral type | DA | DA1 | ||||
| Effective temperature | [K] | 46698.0 (130) | ||||
| log(g) | [cgs] | 7.65 (0.01) | ||||
| Mass | [M☉] | 0.54 | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.71 (0.06) | 3.53 (0.08) | 3.71 (0.06) | ||
| Distance | [pc] | 269.24 (4) | 283.21 (7) | 269.24 (4) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 12.22858716 (0.05) | 12.684 (0.1) | 12.229 (0.05) | ||
| Proper motion (declination) | [mas/yr] | -3.580688351 (0.05) | -3.096 (0.1) | -3.581 (0.05) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 18.70 | |||||
| V magnitude | 14.50 | |||||
| R magnitude | 17.00 | |||||
| I magnitude | ||||||
| J magnitude | 13.95 (0.03) | |||||
| H magnitude | 13.34 (0.03) | |||||
| K magnitude | 13.12 (0.03) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 16.73 (0.01) | 16.75 | 16.73 (0.003) | |||
| BP magnitude | 18.19 (0.01) | 18.19 | ||||
| RP magnitude | 15.56 (0.002) | 15.58 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.010 | |||||
* 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.