All names: EC23123-2942, UCAC4 303-278636, GALEX J231504.6-292606, 2MASS J23150461-2926060, Gaia DR2 2377933833414091392, WISE J231504.62-292606.0, Gaia DR3 2377933833414091392, TIC 13090700, EC 23123-2942
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 15 04.57 | 23 15 04.62 (0.02) | ||
| Declination | -29 26 04.92 | -29 26 06.19 (0.02) | ||
| Spectral type | sdB+F | sdB+F | ||
| 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] | 0.39 (0.03) | 0.38 (0.02) | |
| Distance | [pc] | 2562.13 (228) | 2625.36 (170) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 14.5 (0.08) | 14.684 (0.02) | |
| Proper motion (declination) | [mas/yr] | -4.353 (0.05) | -4.43 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.07 (0.01) | |||
| V magnitude | 14.79 (0.01) | |||
| R magnitude | 15.07 (0.06) | |||
| I magnitude | ||||
| J magnitude | 14.14 (0.03) | 14.14 (0.03) | ||
| H magnitude | 14.03 (0.04) | 14.03 (0.04) | ||
| K magnitude | 14.11 (0.06) | 14.11 (0.06) | ||
| u magnitude | ||||
| g magnitude | 14.90 (0.02) | |||
| r magnitude | 14.86 (0.1) | |||
| i magnitude | 14.87 (0.01) | |||
| z magnitude | ||||
| G magnitude | 14.73 (0.0005) | 14.71 (0.003) | ||
| BP magnitude | 14.83 (0.007) | |||
| RP magnitude | 14.48 (0.002) | |||
| Pan g magnitude | 14.85 (0.007) | |||
| Pan r magnitude | 14.79 (0.002) | |||
| Pan i magnitude | 14.82 (0.003) | |||
| Pan z magnitude | 14.89 (0.004) | |||
| Pan y magnitude | 14.89 (0.005) | |||
| E(B-V) | 0.010 | |||
* 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.