Star · M3
GJ 4055
GJ 4055 is a main-sequence star of spectral type M3 in the constellation Hercules, 45.3 light-years from the Sun.
| Constellation | Hercules |
|---|---|
| Distance | 45.3 light-years (13.9 pc) |
| Apparent magnitude | magnitude 12.49 |
| Absolute magnitude | magnitude 11.78 |
| Spectral type | M3 |
| Surface temperature | 3,640 K |
| Luminosity | 0.00768 L☉ |
| Radius | 0.221 R☉ |
| Mass | 0.228 M☉ (estimated) |
| Right ascension (J2000) | 18h 23m 28.9s |
| Declination (J2000) | +28° 10′ 02″ |
| Space velocity (relative to the Sun) | 12.5 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.49. Visible from the whole Northern Hemisphere and south to latitude 62° S. North of latitude 62° N it never sets. It stands highest at midnight in June, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1981. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 804 thousand years.
The Sun seen from there
From a planet around GJ 4055, the Sun would look like a star of magnitude 5.54, in the direction where our sky has the constellation Canis Major. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- WISE J181329.40+283533.3 1.99 light-years
- 99 Her 7.14 light-years
- Gl 738B 7.57 light-years
- WISEPA J185215.78+353716.3 7.61 light-years
- Gl 738A 7.78 light-years
- GJ 4026 8.31 light-years
- WISEPA J180435.40+311706.1 8.44 light-years
- GJ 4098 9.15 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.