All names: FBS 2250+431, FBS2250+431, 2MASS J22523791+4324508, TIC 154432267, Gaia DR3 1934660360560498816, Gaia DR2 1934660360560498816, FBS B 413
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 52 37.94 | 22 52 37.93 (0.01) | ||
| Declination | 43 24 50.80 | 43 24 50.91 (0.01) | ||
| 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] | 1.91 (0.04) | 1.88 (0.02) | |
| Distance | [pc] | 524.85 (1e+01) | 533.16 (6) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.949 (0.05) | 3.956 (0.01) | |
| Proper motion (declination) | [mas/yr] | -1.021 (0.05) | -0.939 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.72 | |||
| V magnitude | 14.11 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.35 (0.03) | 14.35 (0.03) | ||
| H magnitude | 14.38 (0.05) | 14.38 (0.05) | ||
| K magnitude | 14.26 (0.07) | 14.26 (0.07) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.38 (0.0004) | 14.36 (0.003) | ||
| BP magnitude | 14.34 (0.003) | |||
| RP magnitude | 14.32 (0.002) | |||
| Pan g magnitude | 14.34 (0.004) | |||
| Pan r magnitude | 14.50 (0.003) | |||
| Pan i magnitude | 14.66 (0.002) | |||
| Pan z magnitude | 14.83 (0.003) | |||
| Pan y magnitude | 14.91 (0.004) | |||
| E(B-V) | 0.174 | |||
* 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.