Star · K2 V
Ran
Ran is a main-sequence star of spectral type K2 V in the constellation Eridanus, 10.5 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Other names | ε Eri · eps Eri · Gl 144 · HIP 16537 |
|---|---|
| Constellation | Eridanus |
| Distance | 10.5 light-years (3.22 pc) |
| Apparent magnitude | magnitude 3.72 |
| Absolute magnitude | magnitude 6.18 |
| Spectral type | K2 V |
| Surface temperature | 5,020 K |
| Luminosity | 0.381 L☉ |
| Radius | 0.759 R☉ |
| Mass | 0.82 M☉ |
| Age | 0.6 billion years |
| Metallicity [Fe/H] | -0.13 |
| Right ascension (J2000) | 3h 32m 55.6s |
| Declination (J2000) | −9° 27′ 29″ |
| Space velocity (relative to the Sun) | 22.1 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 3.72). Visible from the whole Southern Hemisphere and north to latitude 81° N. It stands highest at midnight in November, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 2015. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 186 thousand years.
The Sun seen from there
From a planet around Ran, the Sun would look like a star of magnitude 2.37, in the direction where our sky has the constellation Serpens. It would be visible to the naked eye.
Planets
- eps Eri b 2,680-day orbit · 13.8 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.