HD 167042

HD 167042
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Draco
Right ascension 18h 10m 31.6403s
Declination +54° 17′ 11.588″
Apparent magnitude (V) +5.97
Distance 163 ly
(50 pc)
Spectral type K1III
Other designations
BD+54°1950, GC 24820, HIP 89017, HR 6817, LTT 15382, SAO 30784
Database references
SIMBAD data

HD 167042 is a 6th magnitude K-type giant star located approximately 163 light-years away in Draco constellation. It has mass of 1.64 times that of the Sun and the age is only 2.2 billion years old. When this star was a main sequence, it was white mid to late A-type star based on its mass.

Contents

Planetary system

On 20 September 2007, the planet HD 167042 b was discovered and was published in The Astrophysical Journal on 1 March 2008.[1]

The HD 167042 system[1]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity
b >1.7 MJ 1.30 412.6 ± 4 0.027 ± 0.04

See also

References

  1. ^ a b Johnson et al.; Marcy, Geoffrey W.; Fischer, Debra A.; Wright, Jason T.; Reffert, Sabine; Kregenow, Julia M.; Williams, Peter K. G.; Peek, Kathryn M. G. (2008). "Retired A Stars and Their Companions. II. Jovian Planets Orbiting κ CrB and HD 167042". The Astrophysical Journal 675 (1): 784–789. Bibcode 2008ApJ...675..784J. doi:10.1086/526453. http://www.iop.org/EJ/article/0004-637X/675/1/784/73002.html. 

External links

Coordinates: 18h 10m 31.6403s, +54° 17′ 11.588″