Star · K5.5
K2-136
K2-136 is a main-sequence star of spectral type K5.5 in the constellation Taurus, 192.1 light-years from the Sun. It is orbited by 3 confirmed exoplanet(s).
| Constellation | Taurus |
|---|---|
| Distance | 192.1 light-years (58.9 pc) |
| Apparent magnitude | magnitude 11.29 |
| Absolute magnitude | magnitude 7.44 |
| Spectral type | K5.5 |
| Surface temperature | 4,500 K |
| Luminosity | 0.167 L☉ |
| Radius | 0.677 R☉ |
| Mass | 0.742 M☉ |
| Age | 0.7 billion years |
| Metallicity [Fe/H] | -0.02 |
| Right ascension (J2000) | 4h 29m 39.1s |
| Declination (J2000) | +22° 52′ 57″ |
| Space velocity (relative to the Sun) | 46.8 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 11.29. Visible from the whole Northern Hemisphere and south to latitude 67° S. North of latitude 67° N it never sets. 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 1834. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 3.4 million years.
The Sun seen from there
From a planet around K2-136, the Sun would look like a star of magnitude 8.68, in the direction where our sky has the constellation Ophiuchus. It would be invisible to the naked eye.
Planets
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 21741 9.49 light-years
- HIP 19789 12.0 light-years
- HIP 20949 12.9 light-years
- HIP 21503 14.2 light-years
- HIP 20491 15.9 light-years
- HIP 21788 16.1 light-years
- K2-91 18.0 light-years
- HIP 22253 18.7 light-years
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.