All names: SDSS J212945.09-062521.4, Gaia DR3 6898313069080930816, Gaia DR2 6898313069080930816, GALEX J212945.0-062521, USNO-A2.0 0825-19239999
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 21 29 45.10 | 21 29 45.09 (0.2) | |
| Declination | -06 25 21.57 | -06 25 21.48 (0.2) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 14645.0 (884) | |
| log(g) | [cgs] | 8.27 (0.1) | |
| Mass | [M☉] | 0.776 (0.08) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 3.71 | 3.71 (0.3) |
| Distance | [pc] | 269.43 | 269.43 (22) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 2.425 (0.3) | |
| Proper motion (declination) | [mas/yr] | -5.352 (0.2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 18.50 (0.3) | ||
| V magnitude | |||
| R magnitude | 18.70 (0.3) | ||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 19.26 (0.03) | ||
| g magnitude | 18.90 (0.02) | ||
| r magnitude | 19.08 (0.02) | ||
| i magnitude | 19.27 (0.02) | ||
| z magnitude | 19.49 (0.09) | ||
| G magnitude | 18.97 | 18.97 (0.004) | |
| 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.