All names: [PS72] 75, EC22477-2938, EC 22477-2938, UCAC4 304-271352, Gaia DR2 6609121449184225536, Gaia EDR3 6609121449184225536, Gaia DR3 6609121449184225536, 2MASS J22503038-2922168, TIC 47482655
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 50 30.40 (0.03) | 22 50 30.38 | 22 50 30.39 (0.03) | ||
| Declination | -29 22 16.97 (0.04) | -29 22 17.11 | -29 22 16.85 (0.04) | ||
| 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] | 0.99 (0.04) | 1.03 (0.07) | 0.99 (0.04) | |
| Distance | [pc] | 1008.27 (45) | 973.24 (63) | 1008.27 (45) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 10.72 (0.04) | 11.034 (0.1) | 10.72 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.237 (0.04) | -7.261 (0.1) | -7.237 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.31 (0.04) | ||||
| V magnitude | 14.49 (0.04) | ||||
| R magnitude | 14.81 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.03 (0.04) | 15.03 (0.04) | |||
| H magnitude | 15.17 (0.08) | 15.17 (0.08) | |||
| K magnitude | 15.47 (0.2) | 15.47 (0.2) | |||
| u magnitude | |||||
| g magnitude | 14.31 (0.03) | ||||
| r magnitude | 14.73 (0.04) | ||||
| i magnitude | 15.03 (0.1) | ||||
| z magnitude | |||||
| G magnitude | 14.47 (0.003) | 14.49 (0.0008) | 14.47 (0.003) | ||
| BP magnitude | 14.33 (0.003) | 14.28 (0.009) | |||
| RP magnitude | 14.73 (0.004) | 14.73 (0.003) | |||
| Pan g magnitude | 14.31 (0.006) | ||||
| Pan r magnitude | 14.71 (0.003) | ||||
| Pan i magnitude | 15.08 (0.003) | ||||
| Pan z magnitude | 15.38 (0.004) | ||||
| Pan y magnitude | 15.49 (0.004) | ||||
| E(B-V) | 0.011 | ||||
* 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.