HD 156846

HD 156846
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Ophiuchus
Right ascension 17h 20m 34.3100s
Declination –19° 20′ 01.486″
Apparent magnitude (V) 6.51
Distance 160 ly
(49 pc)
Spectral type G0V
Other designations
BD-19°4605, GC 23420, HIP 84856, HR 6441, SAO 160474
Database references
SIMBAD data
NStED data
Extrasolar Planets
Encyclopaedia		 data

HD 156846 is a G-type main sequence star of magnitude 6.5, located approximately 160 light-years away in the Ophiuchus constellation. The star has an M4 companion and a planet.

Contents

Planetary system

On 26 October 2007, a planet HD 156846 b was found by Tamuz using the radial velocity method.[1]

The HD 156846 system[1]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity
b ≥10.45 ± 0.05 MJ 0.9930 359.51 ± 0.09 0.8472 ± 0.0016

See also

References

  1. ^ a b Tamuz et al.; Ségransan, D.; Udry, S.; Mayor, M.; Eggenberger, A.; Naef, D.; Pepe, F.; Queloz, D. et al. (2008). "The CORALIE survey for southern extra-solar planets XV. Discovery of two eccentric planets orbiting HD 4113 and HD 156846". Astronomy and Astrophysics 480 (3): L33–L36. Bibcode 2008A&A...480L..33T. doi:10.1051/0004-6361:20078737. http://www.aanda.org/articles/aa/full/2008/12/aa8737-07/aa8737-07.html. 

External links

Coordinates: 17h 20m 34.3100s, −19° 20′ 01.486″