All names: EC20295-5558, Gaia DR3 6469059164048507008, TIC 220370034, 2MASS J20332582-5548214, EC 20295-5558, UCAC4 171-206646, Gaia DR2 6469059164048507008
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 33 25.87 | 20 33 25.82 (0.02) | ||
| Declination | -55 48 20.52 | -55 48 21.46 (0.02) | ||
| 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] | 0.78 (0.05) | 0.74 (0.03) | |
| Distance | [pc] | 1287.66 (87) | 1357.22 (57) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.306 (0.07) | 7.391 (0.03) | |
| Proper motion (declination) | [mas/yr] | -18.499 (0.07) | -18.399 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.20 (0.01) | |||
| V magnitude | 14.42 (0.01) | |||
| R magnitude | 14.63 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.84 (0.04) | 14.84 (0.04) | ||
| H magnitude | 14.78 (0.09) | 14.78 (0.09) | ||
| K magnitude | 14.95 (0.1) | 14.95 (0.1) | ||
| u magnitude | ||||
| g magnitude | 14.16 (0.01) | |||
| r magnitude | 14.64 (0.01) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.40 (0.0006) | 14.38 (0.003) | ||
| BP magnitude | 14.23 (0.008) | |||
| RP magnitude | 14.57 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.026 | |||
* 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.