All names: GALEX J065749.7+424623, FBS B 243, 2MASS J06574966+4246245, Gaia DR2 951346255477411072, LAMOST J065749.65+424623.7, TIC 192063894, FBS 0654+428, Gaia DR3 951346255477411072
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 06 57 49.66 | 06 57 49.66 (0.04) | |
| Declination | 42 46 23.48 | 42 46 24.36 (0.03) | |
| Spectral type | DA | sdB | |
| Effective temperature | [K] | 33732.0 (939) | |
| log(g) | [cgs] | 7.36 (0.03) | |
| Mass | [M☉] | 0.401 (0.009) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 5.77 | 5.78 (0.04) |
| Distance | [pc] | 173.16 | 173.16 (1) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 2.344 (0.04) | |
| Proper motion (declination) | [mas/yr] | -55.01 (0.04) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 14.51 | ||
| V magnitude | 14.86 | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 15.38 (0.05) | ||
| H magnitude | 15.84 (0.1) | ||
| K magnitude | 15.39 (0.2) | ||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 14.84 | 14.84 (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.