Star · K0
GJ 9158
GJ 9158 is a main-sequence star of spectral type K0 in the constellation Taurus, 90.2 light-years from the Sun.
| Other names | HIP 21272 |
|---|---|
| Constellation | Taurus |
| Distance | 90.2 light-years (27.7 pc) |
| Apparent magnitude | magnitude 7.92 |
| Absolute magnitude | magnitude 5.71 |
| Spectral type | K0 |
| Surface temperature | 5,340 K |
| Luminosity | 0.537 L☉ |
| Radius | 0.855 R☉ |
| Mass | 0.856 M☉ (estimated) |
| Right ascension (J2000) | 4h 33m 50.4s |
| Declination (J2000) | +5° 23′ 06″ |
| Space velocity (relative to the Sun) | 60.0 km/s |
In the sky
Too faint for the naked eye (magnitude 7.92); binoculars will find it. Visible from the whole Northern Hemisphere and south to latitude 85° S. It stands highest at midnight in November, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1936. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.6 million years.
The Sun seen from there
From a planet around GJ 9158, the Sun would look like a star of magnitude 7.04, in the direction where our sky has the constellation Ophiuchus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- PSO J069.7303+04.3834 3.32 light-years
- HIP 21006 7.70 light-years
- GJ 3313 8.64 light-years
- CWISEP J042455.68+000221.4 9.26 light-years
- Gl 173.1B 9.73 light-years
- GJ 3291 10.4 light-years
- GJ 3302 11.2 light-years
- Gl 173.1A 11.6 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.