All names: Gaia DR3 676310328100433152, 2MASS J08244730+2211130, GALEX J082447.2+221113, TIC 14602952, EPIC 212108396, SDSSJ082447.30+221112.9, SDSS J082447.30+221112.9, Gaia DR2 676310328100433152
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 24 47.30 | 08 24 47.30 (0.04) | ||
| Declination | 22 11 12.91 | 22 11 13.00 (0.03) | ||
| Spectral type | sdB+MS | 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] | 0.27 (0.06) | 0.24 (0.04) | |
| Distance | [pc] | 3767.90 (843) | 4081.63 (750) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.939 (0.09) | -1.903 (0.05) | |
| Proper motion (declination) | [mas/yr] | -0.023 (0.06) | 0.028 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.39 (0.05) | 15.47 (0.004) | ||
| H magnitude | 15.21 (0.08) | 15.31 (0.009) | ||
| K magnitude | 15.29 (0.1) | 15.32 (0.01) | ||
| u magnitude | 16.54 (0.02) | 16.54 (0.007) | ||
| g magnitude | 16.06 (0.02) | 16.02 (0.004) | ||
| r magnitude | 16.05 (0.02) | 16.02 (0.004) | ||
| i magnitude | 16.06 (0.01) | 16.04 (0.005) | ||
| z magnitude | 16.14 (0.01) | 16.12 (0.007) | ||
| G magnitude | 15.99 (0.001) | 15.97 (0.003) | ||
| BP magnitude | 16.06 (0.006) | |||
| RP magnitude | 15.73 (0.006) | |||
| Pan g magnitude | 16.06 (0.004) | |||
| Pan r magnitude | 16.04 (0.003) | |||
| Pan i magnitude | 16.08 (0.002) | |||
| Pan z magnitude | 16.16 (0.003) | |||
| Pan y magnitude | 16.19 (0.007) | |||
| E(B-V) | 0.033 | |||
* 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.