HD 20781
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Fornax |
| Right ascension | 03h 20m 02.943s |
| Declination | –28° 47′ 01.80″ |
| Apparent magnitude (V) | 8.44 |
| Characteristics | |
| Spectral type | G9.5V |
| Astrometry | |
| Proper motion (μ) |
RA: 348.97 ± 0.71 mas/yr Dec.: –67.69 ± 0.91 mas/yr |
| Parallax (π) | 28.27 ± 1.08mas |
| Distance | 115 ± 4 ly (35 ± 1 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 20781 is a star which is part of a wide binary system with HD 20782. The companion star has a very large angular separation of 252 arcsec, corresponding to 9080 AU at the distance of HD 20782. Both stars possess their own planetary systems in S type orbits. This is the first time that planets have been found in both components of a wide binary system.
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