All names: uvby98 620022124, Gaia DR3 6354039905501749760, 2MASS J23064770-7753022, TIC 392815770, GEN# +6.20022124, JL 124, GSC 09480-00252, Gaia DR2 6354039905501749760, EC 23029-7809, GALEX J230647.4-775302, EC23029-7809
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 06 47.60 | 23 06 47.73 (0.02) | ||
| Declination | -77 53 02.26 | -77 53 02.22 (0.02) | ||
| Spectral type | sdB | 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] | 1.06 (0.03) | 1.05 (0.02) | |
| Distance | [pc] | 939.58 (25) | 949.13 (17) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 6.655 (0.05) | 6.664 (0.02) | |
| Proper motion (declination) | [mas/yr] | -0.513 (0.04) | -0.47 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.62 | |||
| V magnitude | 13.69 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.82 (0.03) | 13.82 (0.03) | ||
| H magnitude | 13.88 (0.04) | 13.88 (0.04) | ||
| K magnitude | 13.86 (0.05) | 13.86 (0.05) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.64 (0.0004) | 13.62 (0.003) | ||
| BP magnitude | 13.56 (0.004) | |||
| RP magnitude | 13.69 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.075 | |||
* 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.