All names: Gaia EDR3 6822184640615803264, Gaia DR3 6822184640615803264, HE2205-1952, TIC 206498138, Gaia DR2 6822184640615803264, EC 22059-1952, 2MASS J22084131-1937393, HE 2205-1952
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 08 41.32 (0.03) | 22 08 41.29 | 22 08 41.32 (0.03) | ||
| Declination | -19 37 39.42 (0.03) | -19 37 39.39 | -19 37 39.31 (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] | 1.12 (0.04) | 1.18 (0.06) | 1.12 (0.04) | |
| Distance | [pc] | 895.82 (30) | 848.68 (44) | 895.82 (30) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.966 (0.04) | 5.119 (0.1) | 4.966 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.109 (0.03) | -7.055 (0.1) | -7.109 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | 14.59 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.24 (0.05) | 15.24 (0.05) | |||
| H magnitude | 15.34 (0.1) | 15.34 (0.1) | |||
| K magnitude | 15.30 (0.2) | 15.30 (0.2) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.55 (0.003) | 14.56 (0.001) | 14.55 (0.003) | ||
| BP magnitude | 14.40 (0.003) | 14.33 (0.01) | |||
| RP magnitude | 14.84 (0.004) | 14.84 (0.003) | |||
| Pan g magnitude | 14.38 (0.004) | ||||
| Pan r magnitude | 14.81 (0.002) | ||||
| Pan i magnitude | 15.17 (0.002) | ||||
| Pan z magnitude | 15.46 (0.003) | ||||
| Pan y magnitude | 15.63 (0.009) | ||||
| E(B-V) | 0.020 | ||||
* 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.