Star · K0III
HIP 55756
HIP 55756 is a giant star of spectral type K0III in the constellation Centaurus, 262.3 light-years from the Sun.
| Constellation | Centaurus |
|---|---|
| Distance | 262.3 light-years (80.4 pc) |
| Apparent magnitude | magnitude 5.21 |
| Absolute magnitude | magnitude 0.68 |
| Spectral type | K0III |
| Surface temperature | 4,790 K |
| Luminosity | 69.4 L☉ |
| Radius | 12.1 R☉ |
| Mass | 3.05 M☉ (estimated) |
| Right ascension (J2000) | 11h 25m 29.5s |
| Declination (J2000) | −36° 03′ 47″ |
| Space velocity (relative to the Sun) | 41.7 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.21). Visible from the whole Southern Hemisphere and north to latitude 54° N. South of latitude 54° S it never sets. 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 1764. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 4.7 million years.
The Sun seen from there
From a planet around HIP 55756, the Sun would look like a star of magnitude 9.36, in the direction where our sky has the constellation Andromeda. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 55184 8.76 light-years
- HIP 56876 14.4 light-years
- HIP 56621 14.6 light-years
- HIP 55520 15.5 light-years
- HIP 57207 19.3 light-years
- HIP 56532 19.6 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.