All names: TIC 327787009, WDJ20519.94-753824.14, EC 20453-7549, WDJ205109.94-753824.15, Gaia EDR3 6369383521548568576, Gaia DR3 6369383521548568576, 2MASS J20511000-7538242, GALEX J205109.8-753823, Gaia DR2 6369383521548568576, JL 65
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 20 51 10.18 (0.03) | 20 51 10.17 | 20 51 10.18 | 20 51 09.94 (0.03) | 20 51 10.17 | ||
| Declination | -75 38 24.13 (0.03) | -75 38 24.13 | -75 38 24.13 | -75 38 24.15 (0.03) | -75 38 24.13 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 24078.0 (292) | |||||
| log(g) | [cgs] | 8.47 (0.01) | |||||
| Mass | [M☉] | 0.917 (0.009) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 10.82 (0.04) | 10.74 (0.06) | 10.82 | 10.82 (0.04) | 10.74 (0.06) | |
| Distance | [pc] | 92.41 (0.3) | 93.09 (0.5) | 92.41 | 92.41 (0.3) | 93.09 (0.5) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 55.90897253 (0.04) | 55.85238217 (0.1) | 55.909 (0.04) | 55.85238217 | ||
| Proper motion (declination) | [mas/yr] | 0.987020466 (0.04) | 0.909854453 (0.1) | 0.987 (0.04) | 0.909854453 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 15.93 | ||||||
| V magnitude | 16.05 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.73 (0.1) | ||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 16.03 (0.003) | 16.05 | 16.03 | 16.03 (0.003) | 16.05 | ||
| BP magnitude | 15.93 (0.003) | 15.90 | 15.90 | ||||
| RP magnitude | 16.25 (0.004) | 16.25 | 16.25 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.004 | ||||||
* 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.