Star · A5
HIP 57779
HIP 57779 is a main-sequence star of spectral type A5 in the constellation Leo, 181.2 light-years from the Sun.
| Constellation | Leo |
|---|---|
| Distance | 181.2 light-years (55.5 pc) |
| Apparent magnitude | magnitude 6.37 |
| Absolute magnitude | magnitude 2.65 |
| Spectral type | A5 |
| Surface temperature | 7,500 K |
| Luminosity | 7.58 L☉ |
| Radius | 1.63 R☉ |
| Mass | 1.66 M☉ (estimated) |
| Right ascension (J2000) | 11h 50m 55.3s |
| Declination (J2000) | +12° 16′ 44″ |
| Space velocity (relative to the Sun) | 37.3 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 6.37). Visible from the whole Northern Hemisphere and south to latitude 78° S. North of latitude 78° N it never sets. It stands highest at midnight in March, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1845. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 3.2 million years.
The Sun seen from there
From a planet around HIP 57779, the Sun would look like a star of magnitude 8.55, in the direction where our sky has the constellation Aquarius. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 57821 5.91 light-years
- HIP 56954 12.9 light-years
- ULAS J115038.79+094942.9 13.8 light-years
- HIP 59014 14.0 light-years
- HIP 57139 14.3 light-years
- SDSS J113344.68+131126.4 15.4 light-years
- HIP 56981 16.9 light-years
- 6 Vir 17.1 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.