All names: Gaia DR3 1982372258899219456, MaNGA 7-22404121, TIC 153890605, FBS B 408, 2MASS J22433487+4457433, FBS2241+447, Gaia DR2 1982372258899219456, FBS 2241+447
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 43 34.89 | 22 43 34.87 (0.01) | ||
| Declination | 44 57 43.40 | 44 57 43.37 (0.02) | ||
| Spectral type | sd | sdOA | ||
| 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] | 0.06 (0.04) | 0.03 (0.02) | |
| Distance | [pc] | 17035.78 (12247) | 29498.53 (20101) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.907 (0.05) | -0.88 (0.02) | |
| Proper motion (declination) | [mas/yr] | -1.541 (0.06) | -1.542 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.61 | |||
| V magnitude | 14.45 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.24 (0.03) | 14.24 (0.03) | ||
| H magnitude | 14.31 (0.04) | 14.31 (0.04) | ||
| K magnitude | 14.34 (0.08) | 14.34 (0.08) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.23 (0.0004) | 14.21 (0.003) | ||
| BP magnitude | 14.18 (0.003) | |||
| RP magnitude | 14.21 (0.002) | |||
| Pan g magnitude | 14.17 (0.003) | |||
| Pan r magnitude | 14.36 (0.002) | |||
| Pan i magnitude | 14.56 (0.002) | |||
| Pan z magnitude | 14.73 (0.003) | |||
| Pan y magnitude | 14.80 (0.005) | |||
| E(B-V) | 0.166 | |||
* 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.