All names: TIC 129218058, FBS2246+414, 2MASS J22491618+4143524, Gaia DR2 1932829364462415488, FBS 2246+414, Gaia DR3 1932829364462415488, FBS B 409
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 49 16.23 | 22 49 16.17 (0.02) | ||
| Declination | 41 43 53.90 | 41 43 53.30 (0.02) | ||
| Spectral type | sd | |||
| 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] | 0.65 (0.04) | 0.74 (0.04) | |
| Distance | [pc] | 1534.45 (98) | 1352.81 (66) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -11.522 (0.06) | -11.593 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.317 (0.06) | -0.44 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.95 | |||
| V magnitude | 15.92 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.15 (0.08) | 16.15 (0.08) | ||
| H magnitude | 16.23 | |||
| K magnitude | 15.66 (0.2) | 15.66 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.81 (0.0008) | 15.79 (0.003) | ||
| BP magnitude | 15.69 (0.006) | |||
| RP magnitude | 15.89 (0.003) | |||
| Pan g magnitude | 15.72 (0.004) | |||
| Pan r magnitude | 15.97 (0.001) | |||
| Pan i magnitude | 16.22 (0.003) | |||
| Pan z magnitude | 16.45 (0.003) | |||
| Pan y magnitude | 16.57 (0.009) | |||
| E(B-V) | 0.131 | |||
* 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.