Star · F8
GJ 9016
GJ 9016 is a main-sequence star of spectral type F8 in the constellation Cassiopeia, 155.5 light-years from the Sun.
| Other names | HIP 2712 |
|---|---|
| Constellation | Cassiopeia |
| Distance | 155.5 light-years (47.7 pc) |
| Apparent magnitude | magnitude 7.38 |
| Absolute magnitude | magnitude 3.99 |
| Spectral type | F8 |
| Surface temperature | 6,170 K |
| Luminosity | 2.23 L☉ |
| Radius | 1.3 R☉ |
| Mass | 1.22 M☉ (estimated) |
| Right ascension (J2000) | 0h 34m 29.7s |
| Declination (J2000) | +47° 54′ 56″ |
| Space velocity (relative to the Sun) | 91.4 km/s |
In the sky
Too faint for the naked eye (magnitude 7.38); binoculars will find it. Visible from the whole Northern Hemisphere and south to latitude 42° S. North of latitude 42° N it never sets. It stands highest at midnight in September, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1870. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.8 million years.
The Sun seen from there
From a planet around GJ 9016, the Sun would look like a star of magnitude 8.22, in the direction where our sky has the constellation Centaurus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 1987 5.05 light-years
- HIP 2414 5.77 light-years
- HIP 2981 8.33 light-years
- HIP 1871 14.1 light-years
- HIP 2760 15.2 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.