Star · M3
GJ 2112A
GJ 2112A is a main-sequence star of spectral type M3 in the constellation Libra, 38.2 light-years from the Sun.
| Constellation | Libra |
|---|---|
| Distance | 38.2 light-years (11.7 pc) |
| Apparent magnitude | magnitude 13.28 |
| Absolute magnitude | magnitude 12.94 |
| Spectral type | M3 |
| Surface temperature | 3,520 K |
| Luminosity | 0.00319 L☉ |
| Radius | 0.152 R☉ |
| Mass | 0.156 M☉ (estimated) |
| Right ascension (J2000) | 15h 22m 12.8s |
| Declination (J2000) | −27° 49′ 47″ |
| Space velocity (relative to the Sun) | 41.4 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 13.28. Visible from the whole Southern Hemisphere and north to latitude 62° N. South of latitude 62° S it never sets. It stands highest at midnight in May, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1988. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 677 thousand years.
The Sun seen from there
From a planet around GJ 2112A, the Sun would look like a star of magnitude 5.17, in the direction where our sky has the constellation Aries. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- CWISE J153143.38-330657.3 4.51 light-years
- 2MASSI J1546271-332511 5.13 light-years
- CWISEP J144606.62-231717.8 7.22 light-years
- WISEPA J161215.94-342027.1 8.34 light-years
- Gl 590 8.36 light-years
- Gl 595 8.72 light-years
- DENIS-P J142527.97-365023.4 10.0 light-years
- GJ 3866 10.5 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.