Star · K9V
K2-354
K2-354 is a main-sequence star of spectral type K9V in the constellation Cancer, 296.6 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Constellation | Cancer |
|---|---|
| Distance | 296.6 light-years (91.0 pc) |
| Apparent magnitude | magnitude 15.37 |
| Absolute magnitude | magnitude 10.58 |
| Spectral type | K9V |
| Surface temperature | 3,670 K |
| Luminosity | 0.0243 L☉ |
| Radius | 0.41 R☉ |
| Mass | 0.43 M☉ |
| Metallicity [Fe/H] | -0.04 |
| Right ascension (J2000) | 8h 36m 31.2s |
| Declination (J2000) | +10° 08′ 50″ |
| Space velocity (relative to the Sun) | 7.2 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 15.37. Visible from the whole Northern Hemisphere and south to latitude 80° S. North of latitude 80° N it never sets. It stands highest at midnight in January, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1729. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 5.3 million years.
The Sun seen from there
From a planet around K2-354, the Sun would look like a star of magnitude 9.62, in the direction where our sky has the constellation Capricornus. It would be invisible to the naked eye.
Planets
- K2-354 b 3.79-day orbit · 1.56 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- SDSS J083629.70+100651.8 6.36 light-years
- PSO J127.4696+10.5777 13.3 light-years
- HIP 42278 14.5 light-years
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.