All names: BPS CS 22955-0016, TIC 164518254, Gaia DR2 6848019143781379200, BPSCS22955-16, 2MASS J20234181-2617057, Gaia DR3 6848019143781379200, EC 20206-2626
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 23 41.79 | 20 23 41.82 (0.04) | ||
| Declination | -26 17 05.97 | -26 17 05.71 (0.03) | ||
| 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] | 1.09 (0.06) | 1.19 (0.04) | |
| Distance | [pc] | 920.47 (52) | 837.38 (30) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 14.292 (0.1) | 14.309 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.976 (0.07) | -1.908 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.21 | |||
| V magnitude | 14.30 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.98 (0.04) | 14.98 (0.04) | ||
| H magnitude | 15.14 (0.07) | 15.14 (0.07) | ||
| K magnitude | 15.28 (0.1) | 15.28 (0.1) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.41 (0.0007) | 14.40 (0.003) | ||
| BP magnitude | 14.20 (0.009) | |||
| RP magnitude | 14.64 (0.003) | |||
| Pan g magnitude | 14.27 (0.004) | |||
| Pan r magnitude | 14.65 (0.002) | |||
| Pan i magnitude | 14.98 (0.002) | |||
| Pan z magnitude | 15.24 (0.003) | |||
| Pan y magnitude | 15.42 (0.004) | |||
| E(B-V) | 0.071 | |||
* 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.