All names: Gaia DR2 352729416161843968, FBS 0201+445, FBS0201+445, TIC 292154072, FBS B 225, GALEX J020420.4+444930, 2MASS J02042049+4449303, LAMOST J020420.48+444930.1, Gaia DR3 352729416161843968
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 04 20.51 | 02 04 20.49 (0.04) | ||
| Declination | 44 49 30.30 | 44 49 30.34 (0.04) | ||
| Spectral type | sd | sdB | ||
| 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] | 0.11 (0.1) | 0.22 (0.05) | |
| Distance | [pc] | 8944.54 (7688) | 4629.63 (1089) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.189 (0.1) | 0.989 (0.05) | |
| Proper motion (declination) | [mas/yr] | -2.408 (0.1) | -2.547 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.91 | |||
| V magnitude | 15.99 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.94 (0.08) | 15.94 (0.08) | ||
| H magnitude | 15.89 (0.2) | 15.89 (0.2) | ||
| K magnitude | 16.28 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.88 (0.001) | 15.85 (0.003) | ||
| BP magnitude | 15.80 (0.007) | |||
| RP magnitude | 15.91 (0.004) | |||
| Pan g magnitude | 15.79 (0.007) | |||
| Pan r magnitude | 16.01 (0.003) | |||
| Pan i magnitude | 16.25 (0.003) | |||
| Pan z magnitude | 16.44 (0.006) | |||
| Pan y magnitude | 16.51 (0.007) | |||
| E(B-V) | 0.091 | |||
* 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.