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 | |
| 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.
Planetary system
On 28 November 2007, a preprint of the discovery of the planet HD 167042 b was posted to the arXiv server. The peer reviewed paper was then published in The Astrophysical Journal on 1 March 2008.[1] The discovery was later independently confirmed.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >1.7 MJ | 1.30 | 412.6 ± 4 | 0.027 ± 0.04 | — | — |
See also
References
- 1 2 Johnson, John Asher; et al. (2008). "Retired A Stars and Their Companions. II. Jovian Planets Orbiting κ CrB and HD 167042". The Astrophysical Journal. 675 (1): 784–789. arXiv:0711.4367
. Bibcode:2008ApJ...675..784J. doi:10.1086/526453. - ↑ Sato, Bun'ei; et al. (2008). "Planetary Companions to Evolved Intermediate-Mass Stars: 14 Andromedae, 81 Ceti, 6 Lyncis, and HD167042". Publications of the Astronomical Society of Japan. 60 (6): 1317–1326. arXiv:0807.0268. Bibcode:2008PASJ...60.1317S. doi:10.1093/pasj/60.6.1317.
External links
- "Notes for star HD 167042". The Extrasolar Planets Encyclopaedia. Retrieved 2008-08-24.
Coordinates: 
18h 10m 31.6403s, +54° 17′ 11.588″
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