Star · B8I
48 Lib
48 Lib is a supergiant star of spectral type B8I in the constellation Libra, 455.9 light-years from the Sun.
| Other names | HIP 78207 |
|---|---|
| Constellation | Libra |
| Distance | 455.9 light-years (139.8 pc) |
| Apparent magnitude | magnitude 4.95 |
| Absolute magnitude | magnitude −0.78 |
| Spectral type | B8I |
| Surface temperature | 11,250 K |
| Luminosity | 295 L☉ |
| Radius | 4.52 R☉ |
| Mass | 4.61 M☉ (estimated) |
| Right ascension (J2000) | 15h 58m 11.4s |
| Declination (J2000) | −14° 16′ 46″ |
| Space velocity (relative to the Sun) | 15.4 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 4.95). Visible from the whole Southern Hemisphere and north to latitude 76° N. South of latitude 76° S it never sets. It stands highest at midnight in May, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1570. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 8.1 million years.
The Sun seen from there
From a planet around 48 Lib, the Sun would look like a star of magnitude 10.56, in the direction where our sky has the constellation Taurus. 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.