HD 100777

HD 100777
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Leo
Right ascension 11h 35m 51.5234s
Declination -04° 45′ 20.509″
Apparent magnitude (V) +8.42
Distance 172.2 ly
(52.8 pc)
Spectral type K0IV
Other designations
BD–03° 3147, HIP 56572, SAO 138288
Database references
SIMBAD data
Extrasolar Planets
Encyclopaedia		 data

HD 100777 is an orange subgiant star located approximately 172 light years away in the constellation Leo. The apparent magnitude is 8.42 and absolute magnitude is 4.81. It is also called HIP 56572. In 2007, a planet was found to be orbiting the star.

The HD 100777 system[1]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity
b >1.16 ± 0.03 MJ 1.03 ± 0.03 383.7 ± 1.2 0.36 ± 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: 11h 35m 51.5234s, −04° 45′ 20.509″