Star · M3
GJ 3166
GJ 3166 is a main-sequence star of spectral type M3 in the constellation Aries, 99.3 light-years from the Sun.
| Constellation | Aries |
|---|---|
| Distance | 99.3 light-years (30.4 pc) |
| Apparent magnitude | magnitude 13.71 |
| Absolute magnitude | magnitude 11.29 |
| Spectral type | M3 |
| Surface temperature | 3,680 K |
| Luminosity | 0.0113 L☉ |
| Radius | 0.262 R☉ |
| Mass | 0.269 M☉ (estimated) |
| Right ascension (J2000) | 2h 35m 21.7s |
| Declination (J2000) | +23° 33′ 54″ |
| Space velocity (relative to the Sun) | 20.1 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 13.71. Visible from the whole Northern Hemisphere and south to latitude 66° S. North of latitude 66° N it never sets. It stands highest at midnight in October, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1927. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.8 million years.
The Sun seen from there
From a planet around GJ 3166, the Sun would look like a star of magnitude 7.25, in the direction where our sky has the constellation Libra. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- GJ 3156 9.88 light-years
- η Ari 9.94 light-years
- 2MASSW J0228110+253738 10.5 light-years
- HIP 10272 10.6 light-years
- HIP 10218 11.0 light-years
- HIP 13065 11.4 light-years
- 2MASSW J0208549+250048 11.5 light-years
- HIP 13891 11.5 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.