Star · B1I
HIP 48715
HIP 48715 is a supergiant star of spectral type B1I in the constellation Carina, 4,875 light-years from the Sun.
| Constellation | Carina |
|---|---|
| Distance | 4,875 light-years (1,495 pc) |
| Apparent magnitude | magnitude 6.30 |
| Absolute magnitude | magnitude −4.57 |
| Spectral type | B1I |
| Surface temperature | 10,880 K |
| Luminosity | 9,160 L☉ |
| Radius | 26.9 R☉ |
| Mass | 12.3 M☉ (estimated) |
| Right ascension (J2000) | 9h 56m 09.7s |
| Declination (J2000) | −71° 23′ 21″ |
| Space velocity (relative to the Sun) | 116.2 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 6.30). Visible from the whole Southern Hemisphere and north to latitude 19° N. South of latitude 19° S it never sets. It stands highest at midnight in February, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 4,875 years ago. At that time the first farming villages were being founded; there was no writing yet. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 86 million years.
The Sun seen from there
From a planet around HIP 48715, the Sun would look like a star of magnitude 15.70, in the direction where our sky has the constellation Cepheus. 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.