All names: TIC 101817673, Gaia DR3 6473878014276158336, GALEX J201431.4-515914, EC20107-5208, EC 20107-5208, 2MASS J20143147-5159138, UCAC4 191-202937, Gaia DR2 6473878014276158336, Gaia EDR3 6473878014276158336
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 20 14 31.46 (0.04) | 20 14 31.45 | 20 14 31.47 (0.04) | ||
| Declination | -51 59 14.31 (0.03) | -51 59 13.63 | -51 59 14.00 (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] | 0.89 (0.05) | 0.79 (0.06) | 0.89 (0.05) | |
| Distance | [pc] | 1125.75 (57) | 1268.55 (97) | 1125.75 (57) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -7.478 (0.04) | -7.492 (0.1) | -7.478 (0.04) | |
| Proper motion (declination) | [mas/yr] | -19.338 (0.03) | -19.196 (0.07) | -19.338 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.81 | ||||
| V magnitude | 15.00 | ||||
| R magnitude | 14.95 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.42 (0.05) | 15.42 (0.05) | |||
| H magnitude | 15.40 (0.1) | 15.40 (0.1) | |||
| K magnitude | 15.24 (0.2) | 15.24 (0.2) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.97 (0.003) | 14.98 (0.0007) | 14.97 (0.003) | ||
| BP magnitude | 14.85 (0.004) | 14.79 (0.006) | |||
| RP magnitude | 15.19 (0.005) | 15.19 (0.004) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.028 | ||||
* 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.