All names: USNO-B1.0 1196-00101026, Gaia EDR3 3444279861171809920, Gaia DR3 3444279861171809920, Gaia DR2 3444279861171809920, LAMOST J054658.08+293633.4, Lan 657, LAMOST J054658.07+293633.4
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 05 46 58.13 (0.1) | 05 46 58.13 | 05 46 58.09 (0.1) | |||
| Declination | 29 36 33.56 (0.09) | 29 36 33.56 | 29 36 34.18 (0.09) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 29663.0 (511) | 21419.0 (745) | |||
| log(g) | [cgs] | 7.54 (0.1) | 7.84 (0.05) | |||
| Mass | [M☉] | 0.44 (0.04) | 0.543 (0.03) | |||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 4.03 (0.1) | 4.03 | 4.03 (0.1) | ||
| Distance | [pc] | 247.97 (8) | 247.97 | 247.97 (8) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 26.356 (0.1) | 26.356 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -38.913 (0.09) | -38.913 (0.09) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 16.70 | |||||
| V magnitude | ||||||
| R magnitude | 16.40 | |||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | ||||||
| g magnitude | 17.23 | |||||
| r magnitude | 17.29 | |||||
| i magnitude | 17.16 | |||||
| z magnitude | ||||||
| G magnitude | 17.56 (0.003) | 17.56 | 17.56 (0.003) | |||
| BP magnitude | 17.39 (0.01) | |||||
| RP magnitude | 17.46 (0.03) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.157 | |||||
* 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.