All names: Gaia DR3 2068430308152774272, Gaia DR2 2068430308152774272, UGPS J202432.88+412338.8, Gaia EDR3 2068430308152774272, Lan 356, UVEX J202432.88+412338.9
| Parameter | Unit | Gaia EDR3 | Stilism | Lepine et al. 2011 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 20 24 32.88 (0.05) | 20 24 32.88 | 20 24 32.87 (0.05) | |||
| Declination | 41 23 38.91 (0.06) | 41 23 38.91 | 41 23 38.72 (0.06) | |||
| Spectral type | DA2.5 | DA | DA2.5 | |||
| Effective temperature | [K] | 24590.0 (486) | 21416.0 (616) | |||
| log(g) | [cgs] | 8.31 (0.06) | 8.29 (0.03) | |||
| Mass | [M☉] | 0.82 (0.04) | 0.799 (0.02) | |||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | 0.0630 | ||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 5.82 (0.07) | 5.82 | 5.82 (0.07) | ||
| Distance | [pc] | 171.89 (2) | 184.00 | 171.89 | 171.89 (2) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 10.291 (0.08) | 10.291 (0.08) | |||
| Proper motion (declination) | [mas/yr] | 11.914 (0.08) | 11.914 (0.08) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 17.30 | |||||
| V magnitude | 17.21 | |||||
| R magnitude | 17.10 | |||||
| I magnitude | 17.60 | |||||
| J magnitude | 17.84 (0.02) | |||||
| H magnitude | 18.39 (0.09) | |||||
| K magnitude | 19.69 (0.7) | |||||
| u magnitude | ||||||
| g magnitude | 17.21 | |||||
| r magnitude | 17.35 | |||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 17.28 (0.003) | 17.28 | 17.28 (0.003) | |||
| BP magnitude | 17.20 (0.007) | |||||
| RP magnitude | 17.51 (0.01) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.029 | |||||
* 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.