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.
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 |
---|---|---|---|---|
b | >4.6 ± 0.3 MJ | 1.29 ± 0.05 | 359.9 ± 2.4 | 0.166 ± 0.052 |