All names: GEN# +6.20022129, EC 23114-8311, GALEXJ23158-8255, JL 129, GALEX J231551.8-825523, uvby98 620022129, Gaia DR3 6350373412180085248, GSC 09525-00540, Gaia DR2 6350373412180085248, 2MASS J23155195-8255244, TIC 317129309
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 15 51.87 | 23 15 51.98 (0.03) | ||
| Declination | -82 55 23.81 | -82 55 24.49 (0.04) | ||
| 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] | 1.45 (0.04) | 1.24 (0.04) | |
| Distance | [pc] | 688.18 (19) | 803.73 (24) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 18.915 (0.07) | 19.522 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.134 (0.07) | -2.811 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.97 | |||
| V magnitude | 13.68 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 12.59 (0.02) | 12.59 (0.02) | ||
| H magnitude | 12.25 (0.03) | 12.25 (0.03) | ||
| K magnitude | 12.14 (0.02) | 12.14 (0.02) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.44 (0.0005) | 13.44 (0.003) | ||
| BP magnitude | 13.59 (0.004) | |||
| RP magnitude | 13.10 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.123 | |||
* 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.