All names: TIC 278403480, EC 20108-3532, 2MASS J20140370-3523122, Gaia DR2 6699123622745038336, UCAC4 274-196541, EC20108-3532, Gaia DR3 6699123622745038336, GALEX J201403.7-352311
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 14 03.55 | 20 14 03.70 (0.03) | ||
| Declination | -35 23 11.40 | -35 23 12.28 (0.02) | ||
| Spectral type | sdB+F | sdB+F | ||
| 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] | 0.59 (0.08) | 0.54 (0.04) | |
| Distance | [pc] | 1688.33 (218) | 1853.57 (130) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.207 (0.1) | 0.071 (0.03) | |
| Proper motion (declination) | [mas/yr] | -4.486 (0.07) | -4.368 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.08 | |||
| V magnitude | 15.15 | |||
| R magnitude | 15.26 (0.05) | |||
| I magnitude | ||||
| J magnitude | 14.76 (0.03) | 14.76 (0.03) | ||
| H magnitude | 14.51 (0.05) | 14.51 (0.05) | ||
| K magnitude | 14.61 (0.08) | 14.61 (0.08) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.02 (0.0006) | 15.00 (0.003) | ||
| BP magnitude | 14.97 (0.007) | |||
| RP magnitude | 14.96 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.064 | |||
* 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.