All names: Gaia DR3 2163427876590946560, 2MASS J21011199+4520211, UGPS J210112.01+452020.8, Gaia DR2 2163427876590946560, UVEX J210112.02+452020.7, TIC 304108055
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 21 01 12.07 | 21 01 11.97 (0.03) | |
| Declination | 45 20 20.13 | 45 20 21.22 (0.04) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 9844.0 (56) | |
| log(g) | [cgs] | 7.12 (0.01) | |
| Mass | [M☉] | 0.243 (0.003) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 9.06 | 9.06 (0.04) |
| Distance | [pc] | 110.41 | 110.41 (0.4) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 66.213 (0.04) | |
| Proper motion (declination) | [mas/yr] | -68.057 (0.04) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.11 (0.008) | ||
| H magnitude | 16.06 (0.01) | ||
| K magnitude | 16.04 (0.03) | ||
| u magnitude | |||
| g magnitude | 16.27 | ||
| r magnitude | 16.13 | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 16.19 | 16.19 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.