HD 17092
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Perseus |
| Right ascension | 02h 46m 22.1153s |
| Declination | +49° 39′ 11.063″ |
| Apparent magnitude (V) | 7.73[1] |
| Characteristics | |
| Spectral type | K0III[2] |
| B−V color index | 1.26 |
| Astrometry | |
| Proper motion (μ) | RA: 37.40 mas/yr Dec.: -13.80 mas/yr |
| Distance | 355 ± 179 ly (109 ± 55 pc) |
| Absolute magnitude (MV) | 2.54 |
| Details | |
| Mass | 2.3 ± 0.3 M☉ |
| Temperature | 4650 ± 35 K |
| Metallicity | 0.18 ± 0.08 |
| Other designations | |
HD 17092 is an 8th magnitude star in the constellation of Perseus. It is an orange giant (spectral type K0III).
The star is visible only with binoculars or better equipment.
Planetary system
On 6 May 2007, a planet HD 17092 b was discovered with the Hobby-Eberly Telescope by Niedzielski who used the wobble method. This planet is a massive gas giant and orbits at 1.29 astronomical units from the star with a period of about 360 days.[3]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >4.6 ± 0.3 MJ | 1.29 ± 0.05 | 359.9 ± 2.4 | 0.166 ± 0.052 | — | — |
References
- ↑ Cannon, A. E.; Pickering, E. C. (1924). "Henry Draper (HD) catalog and HD extension". Annals of the Astronomical Observatory of Harvard College. Bibcode:1924hdhc.bookQ....C.
- ↑ The Tycho-1 Catalog
- 1 2 Niedzielski, A.; et al. (2007). "A Planetary‐Mass Companion to the K0 Giant HD 17092". The Astrophysical Journal. 669 (2): 1354–1358. arXiv:0705.0935
. Bibcode:2007ApJ...669.1354N. doi:10.1086/521784.
Coordinates: 
02h 46m 22s, +49° 39′ 11″
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