Star · K1III
HIP 31084
HIP 31084 is a giant star of spectral type K1III in the constellation Canis Major, 382.7 light-years from the Sun.
| Constellation | Canis Major |
|---|---|
| Distance | 382.7 light-years (117.3 pc) |
| Apparent magnitude | magnitude 5.16 |
| Absolute magnitude | magnitude −0.19 |
| Spectral type | K1III |
| Surface temperature | 4,190 K |
| Luminosity | 239 L☉ |
| Radius | 29.4 R☉ |
| Mass | 4.35 M☉ (estimated) |
| Right ascension (J2000) | 6h 31m 23.0s |
| Declination (J2000) | −12° 23′ 31″ |
| Space velocity (relative to the Sun) | 35.9 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.16). Visible from the whole Southern Hemisphere and north to latitude 78° N. South of latitude 78° 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 1643. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 6.8 million years.
The Sun seen from there
From a planet around HIP 31084, the Sun would look like a star of magnitude 10.18, in the direction where our sky has the constellation Hercules. It would be invisible to the naked eye.
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.