Star · K2
HD 174205
HD 174205 is a supergiant star of spectral type K2 in the constellation Draco, 786.6 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Other names | HIP 91811 |
|---|---|
| Constellation | Draco |
| Distance | 786.6 light-years (241.2 pc) |
| Apparent magnitude | magnitude 6.28 |
| Absolute magnitude | magnitude −0.63 |
| Spectral type | K2 |
| Surface temperature | 4,310 K |
| Luminosity | 239 L☉ |
| Radius | 26.6 R☉ |
| Mass | 1.8 M☉ |
| Age | 1.7 billion years |
| Metallicity [Fe/H] | -0.28 |
| Right ascension (J2000) | 18h 43m 10.4s |
| Declination (J2000) | +70° 47′ 34″ |
| Space velocity (relative to the Sun) | 10.4 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 6.28). Visible from the whole Northern Hemisphere and south to latitude 19° S. North of latitude 19° N it never sets. It stands highest at midnight in June, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1239. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 14 million years.
The Sun seen from there
From a planet around HD 174205, the Sun would look like a star of magnitude 11.74, in the direction where our sky has the constellation Volans. It would be invisible to the naked eye.
Planets
- HD 174205 b 582-day orbit · 13 R⊕
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.