Star · K7.5 V
K2-5
K2-5 is a main-sequence star of spectral type K7.5 V in the constellation Leo, 661.9 light-years from the Sun. It is orbited by 2 confirmed exoplanet(s).
| Constellation | Leo |
|---|---|
| Distance | 661.9 light-years (202.9 pc) |
| Apparent magnitude | magnitude 14.97 |
| Absolute magnitude | magnitude 8.43 |
| Spectral type | K7.5 V |
| Surface temperature | 3,930 K |
| Luminosity | 0.0825 L☉ |
| Radius | 0.57 R☉ |
| Mass | 0.61 M☉ |
| Metallicity [Fe/H] | -0.33 |
| Right ascension (J2000) | 11h 17m 12.8s |
| Declination (J2000) | −1° 52′ 40″ |
| Space velocity (relative to the Sun) | 33.8 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 14.97. Visible from the whole Southern Hemisphere and north to latitude 88° N. It stands highest at midnight in March, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1364. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 12 million years.
The Sun seen from there
From a planet around K2-5, the Sun would look like a star of magnitude 11.37, in the direction where our sky has the constellation Pisces. It would be invisible to the naked eye.
Planets
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.