HD 190647

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
CD–35° 13924, HIP 99115, GC 27893, LTT 7948, NLTT 48727, SAO 211821
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.

The HD 190647 system[1]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity
b >1.9 ± 0.06 MJ 2.07 ± 0.06 1038.1 ± 4.9 0.18 ± 0.02

See also

References

  1. ^ 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. Bibcode 2007A&A...470..721N. doi:10.1051/0004-6361:20077361. http://www.aanda.org/articles/aa/abs/2007/29/aa7361-07/aa7361-07.html.  (web preprint)

Coordinates: 20h 07m 19.6697s, −35° 32′ 19.079″