All names: LAMOST J042256.87+293904.2, GALEX J042256.9+293903, Gaia DR2 165237532297225472, SDSS J042256.86+293904.6, TIC 58540298, SDSS J042256.86+293904.3, 2MASS J04225686+2939043, Gaia DR3 165237532297225472
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 04 22 56.87 (0.05) | ||
| Declination | 29 39 04.30 (0.03) | ||
| Spectral type | DA | ||
| Effective temperature | [K] | ||
| log(g) | [cgs] | ||
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 0.10 (0.06) | |
| Distance | [pc] | 10214.50 (6072) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 1.242 (0.06) | |
| Proper motion (declination) | [mas/yr] | -1.124 (0.05) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 15.57 (0.05) | ||
| H magnitude | 15.43 (0.1) | ||
| K magnitude | 15.16 (0.1) | ||
| u magnitude | |||
| g magnitude | 16.52 | ||
| r magnitude | 16.32 | ||
| i magnitude | 16.26 | ||
| z magnitude | |||
| G magnitude | 16.30 (0.003) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.361 | ||
* 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.