All names: Gaia DR3 1928838407833102720, GALEX J224912.6+382616, FBS2246+382, FBS B 186, FBS 2246+382, Gaia DR2 1928838407833102720, 2MASS J22491274+3826162, TIC 129204055
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 49 12.79 | 22 49 12.74 (0.02) | ||
| Declination | 38 26 16.80 | 38 26 16.18 (0.03) | ||
| Spectral type | sdOB | 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] | 0.70 (0.05) | 0.72 (0.03) | |
| Distance | [pc] | 1425.72 (103) | 1394.51 (65) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -13.662 (0.06) | -13.62 (0.03) | |
| Proper motion (declination) | [mas/yr] | -3.179 (0.06) | -3.247 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.38 (0.05) | 15.38 (0.05) | ||
| H magnitude | 15.38 (0.1) | 15.38 (0.1) | ||
| K magnitude | 15.22 (0.2) | 15.22 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.72 (0.0004) | 14.71 (0.003) | ||
| BP magnitude | 14.55 (0.005) | |||
| RP magnitude | 14.92 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | 19.04 (0.05) | |||
| Pan z magnitude | ||||
| Pan y magnitude | 19.34 (0.09) | |||
| E(B-V) | 0.100 | |||
* 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.