HD 190647
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Sagittarius |
| Right ascension | 20h 07m 19.6697s |
| Declination | -35° 32′ 19.079″ |
| Apparent magnitude (V) | +7.78 |
| Distance | 176.8 ly (54.2 pc) |
| Spectral type | G5IV |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Extrasolar Planets Encyclopaedia |
data |
HD 190647 is a yellow subgiant star located approximately 177 light years away in the constellation of Sagittarius. The apparent magnitude is 8 and absolute magnitude is 4. It is also called HIP 99115. In 2007, a planet was found to be orbiting the star.
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >1.9 ± 0.06 MJ | 2.07 ± 0.06 | 1038.1 ± 4.9 | 0.18 ± 0.02 | — | — |
References
- ^ Naef et al.; Mayor, M.; Benz, W.; Bouchy, F.; Lo Curto, G.; Lovis, C.; Moutou, C.; Pepe, F. et al. (2007). "The HARPS search for southern extra-solar planets IX. Exoplanets orbiting HD 100777 , HD 190647 , and HD 221287" (abstract). Astronomy and Astrophysics 470 (2): 721–726. arXiv:0704.0917. Bibcode:2007A&A...470..721N. doi:10.1051/0004-6361:20077361. (web preprint)
Coordinates: 
20h 07m 19.6697s, −35° 32′ 19.079″
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