Star · M1III
HIP 100151
HIP 100151 is a giant star of spectral type M1III in the constellation Telescopium, 1,316 light-years from the Sun.
| Constellation | Telescopium |
|---|---|
| Distance | 1,316 light-years (403.5 pc) |
| Apparent magnitude | magnitude 6.28 |
| Absolute magnitude | magnitude −1.75 |
| Spectral type | M1III |
| Surface temperature | 3,570 K |
| Luminosity | 2,180 L☉ |
| Radius | 122 R☉ |
| Mass | 8.17 M☉ (estimated) |
| Right ascension (J2000) | 20h 18m 56.0s |
| Declination (J2000) | −47° 42′ 39″ |
| Space velocity (relative to the Sun) | 50.5 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 6.28). Visible from the whole Southern Hemisphere and north to latitude 42° N. South of latitude 42° S it never sets. It stands highest at midnight in July, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 710. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 23 million years.
The Sun seen from there
From a planet around HIP 100151, the Sun would look like a star of magnitude 12.86, in the direction where our sky has the constellation Lynx. 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.