Star · ?
GJ 3969
GJ 3969 is a main-sequence star of spectral type ? in the constellation Ophiuchus, 107.2 light-years from the Sun.
| Constellation | Ophiuchus |
|---|---|
| Distance | 107.2 light-years (32.9 pc) |
| Apparent magnitude | magnitude 12.06 |
| Absolute magnitude | magnitude 9.48 |
| Spectral type | ? |
| Surface temperature | 3,790 K |
| Luminosity | 0.051 L☉ |
| Radius | 0.523 R☉ |
| Mass | 0.475 M☉ (estimated) |
| Right ascension (J2000) | 16h 41m 45.7s |
| Declination (J2000) | −5° 49′ 20″ |
| Space velocity (relative to the Sun) | 52.9 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.06. Visible from the whole Southern Hemisphere and north to latitude 84° N. 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 1919. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.9 million years.
The Sun seen from there
From a planet around GJ 3969, the Sun would look like a star of magnitude 7.41, in the direction where our sky has the constellation Taurus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 81084 9.67 light-years
- Gl 634.1 9.77 light-years
- WISE J163645.56-074325.1 10.2 light-years
- Yed Posterior 11.1 light-years
- HIP 82169 12.1 light-years
- HIP 81030 13.6 light-years
- HIP 83770 13.8 light-years
- HIP 83676 13.9 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.