All names: UCAC4 204-178115, 2MASS J20033568-4923075, EC19599-4931, TIC 101430261, GALEX J200335.7-492307, Gaia DR3 6667411474016698496, Gaia DR2 6667411474016698496, EC 19599-4931
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 03 35.64 | 20 03 35.65 (0.04) | ||
| Declination | -49 23 07.15 | -49 23 07.58 (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] | 0.47 (0.08) | 0.37 (0.06) | |
| Distance | [pc] | 2139.50 (364) | 2728.51 (428) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.964 (0.1) | -2.521 (0.06) | |
| Proper motion (declination) | [mas/yr] | -4.609 (0.09) | -4.571 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.84 | |||
| V magnitude | 16.09 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.75 (0.2) | 16.75 (0.2) | ||
| H magnitude | 16.46 (0.2) | 16.46 (0.2) | ||
| K magnitude | 15.59 (0.2) | 15.59 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.04 (0.002) | 16.02 (0.003) | ||
| BP magnitude | 15.82 (0.01) | |||
| RP magnitude | 16.25 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.029 | |||
* 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.