All names: FBS 2253+335, 2MASS J22555818+3343118, Gaia DR3 1891098500140100352, GALEX J225558.3+334309, Gaia DR2 1891098500140100352, TYC 2753-576-1, FBS B 626, FBS2253+335, LAMOST J225558.18+334311.7, TIC 43965472
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 55 58.24 | 22 55 58.19 (0.03) | ||
| Declination | 33 43 10.50 | 33 43 11.80 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 28650.0 (270) | ||
| log(g) | [cgs] | 5.64 (0.07) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 2.11 (0.05) | 2.07 (0.04) | |
| Distance | [pc] | 474.59 (11) | 483.49 (9) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 11.432 (0.09) | 11.477 (0.03) | |
| Proper motion (declination) | [mas/yr] | -1.297 (0.07) | -1.491 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.63 (0.2) | |||
| V magnitude | 12.61 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.18 (0.02) | 13.18 (0.02) | ||
| H magnitude | 13.31 (0.02) | 13.31 (0.02) | ||
| K magnitude | 13.38 (0.04) | 13.38 (0.04) | ||
| u magnitude | 13.22 (0.003) | |||
| g magnitude | 12.96 (0.003) | |||
| r magnitude | ||||
| i magnitude | 13.91 (0.004) | |||
| z magnitude | 13.77 (0.004) | |||
| G magnitude | 12.77 (0.0005) | 12.75 (0.003) | ||
| BP magnitude | 12.64 (0.006) | |||
| RP magnitude | 12.92 (0.001) | |||
| Pan g magnitude | 12.46 | |||
| Pan r magnitude | 12.88 | |||
| Pan i magnitude | 13.21 | |||
| Pan z magnitude | 13.49 (0.001) | |||
| Pan y magnitude | 13.64 (0.002) | |||
| E(B-V) | 0.068 | |||
* 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.