Star · K8V
GJ 3401B
GJ 3401B is a main-sequence star of spectral type K8V in the constellation Pictor, 70.9 light-years from the Sun.
| Constellation | Pictor |
|---|---|
| Distance | 70.9 light-years (21.7 pc) |
| Apparent magnitude | magnitude 8.30 |
| Absolute magnitude | magnitude 6.61 |
| Spectral type | K8V |
| Surface temperature | 3,950 K |
| Luminosity | 0.584 L☉ |
| Radius | 1.63 R☉ |
| Mass | 0.874 M☉ (estimated) |
| Right ascension (J2000) | 6h 38m 00.4s |
| Declination (J2000) | −61° 32′ 00″ |
| Space velocity (relative to the Sun) | 8.0 km/s |
In the sky
Too faint for the naked eye (magnitude 8.30); binoculars will find it. Visible from the whole Southern Hemisphere and north to latitude 28° N. South of latitude 28° S it never sets. It stands highest at midnight in December, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1955. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.3 million years.
The Sun seen from there
From a planet around GJ 3401B, the Sun would look like a star of magnitude 6.52, in the direction where our sky has the constellation Draco. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- GJ 3400A 0.46 light-years
- HIP 31878 1.55 light-years
- 2MASS J07180871-6415310 6.90 light-years
- HIP 30314 7.57 light-years
- Gl 268.2 8.75 light-years
- CWISE J063649.77-542429.2 9.95 light-years
- CWISEP J060132.96-592227.3 10.1 light-years
- CWISE J063031.50-600221.0 10.9 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.