Star · K0
ο Col
ο Col is a giant star of spectral type K0 in the constellation Columba, 105.9 light-years from the Sun.
| Other names | HIP 24659 |
|---|---|
| Constellation | Columba |
| Distance | 105.9 light-years (32.5 pc) |
| Apparent magnitude | magnitude 4.81 |
| Absolute magnitude | magnitude 2.25 |
| Spectral type | K0 |
| Surface temperature | 4,770 K |
| Luminosity | 16.5 L☉ |
| Radius | 5.95 R☉ |
| Mass | 2.02 M☉ (estimated) |
| Right ascension (J2000) | 5h 17m 29.1s |
| Declination (J2000) | −34° 53′ 43″ |
| Space velocity (relative to the Sun) | 58.3 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 4.81). Visible from the whole Southern Hemisphere and north to latitude 55° N. South of latitude 55° S it never sets. It stands highest at midnight in December, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1920. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.9 million years.
The Sun seen from there
From a planet around ο Col, the Sun would look like a star of magnitude 7.39, in the direction where our sky has the constellation Hercules. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 24886 8.31 light-years
- 2MASS J05161597-3332046 10.0 light-years
- HIP 22602 11.5 light-years
- WISEA J045900.42-285338.3 13.5 light-years
- HIP 22059 13.6 light-years
- HIP 23555 13.7 light-years
- HIP 26542 13.7 light-years
- HD 29985 13.9 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.