Star · K2
HD 13189
HD 13189 is a supergiant star of spectral type K2 in the constellation Triangulum, 1,595 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Other names | HIP 10085 |
|---|---|
| Constellation | Triangulum |
| Distance | 1,595 light-years (489.0 pc) |
| Apparent magnitude | magnitude 7.57 |
| Absolute magnitude | magnitude −0.88 |
| Spectral type | K2 |
| Surface temperature | 4,180 K |
| Luminosity | 433 L☉ |
| Radius | 38.4 R☉ |
| Mass | 2.24 M☉ |
| Metallicity [Fe/H] | -0.37 |
| Right ascension (J2000) | 2h 09m 40.2s |
| Declination (J2000) | +32° 18′ 59″ |
| Space velocity (relative to the Sun) | 28.6 km/s |
In the sky
Too faint for the naked eye (magnitude 7.57); binoculars will find it. Visible from the whole Northern Hemisphere and south to latitude 58° S. North of latitude 58° N it never sets. It stands highest at midnight in October, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 431. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 28 million years.
The Sun seen from there
From a planet around HD 13189, the Sun would look like a star of magnitude 13.28, in the direction where our sky has the constellation Centaurus. It would be invisible to the naked eye.
Planets
- HD 13189 b 472-day orbit · 12.4 R⊕
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.