Star · M3
GJ 4331
GJ 4331 is a main-sequence star of spectral type M3 in the constellation Tucana, 117.1 light-years from the Sun.
| Other names | HIP 115099 |
|---|---|
| Constellation | Tucana |
| Distance | 117.1 light-years (35.9 pc) |
| Apparent magnitude | magnitude 11.25 |
| Absolute magnitude | magnitude 8.47 |
| Spectral type | M3 |
| Surface temperature | 3,600 K |
| Luminosity | 0.169 L☉ |
| Radius | 1.05 R☉ |
| Mass | 0.641 M☉ (estimated) |
| Right ascension (J2000) | 23h 18m 46.2s |
| Declination (J2000) | −61° 15′ 13″ |
| Space velocity (relative to the Sun) | 14.4 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 11.25. Visible from the whole Southern Hemisphere and north to latitude 29° N. South of latitude 29° S 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 1909. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.1 million years.
The Sun seen from there
From a planet around GJ 4331, the Sun would look like a star of magnitude 7.61, in the direction where our sky has the constellation Ursa Major. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 114427 5.37 light-years
- HIP 117011 10.0 light-years
- HIP 112703 10.4 light-years
- HIP 116395 11.0 light-years
- HIP 110812 12.7 light-years
- GJ 9819 13.1 light-years
- 2MASS J00184613-6356122 15.3 light-years
- 2MASS J23245065-5817554 15.6 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.