Star · A5III
HIP 55497
HIP 55497 is a giant star of spectral type A5III in the constellation Chamaeleon, 243.4 light-years from the Sun.
| Constellation | Chamaeleon |
|---|---|
| Distance | 243.4 light-years (74.6 pc) |
| Apparent magnitude | magnitude 6.43 |
| Absolute magnitude | magnitude 2.07 |
| Spectral type | A5III |
| Surface temperature | 8,150 K |
| Luminosity | 13.7 L☉ |
| Radius | 1.86 R☉ |
| Mass | 1.92 M☉ (estimated) |
| Right ascension (J2000) | 11h 21m 56.9s |
| Declination (J2000) | −77° 36′ 30″ |
| Space velocity (relative to the Sun) | 28.4 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 6.43). Visible from the whole Southern Hemisphere and north to latitude 12° N. South of latitude 12° S it never sets.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1783. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 4.3 million years.
The Sun seen from there
From a planet around HIP 55497, the Sun would look like a star of magnitude 9.19, in the direction where our sky has the constellation Cepheus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 51500 14.8 light-years
- HIP 60505 15.4 light-years
- HIP 54452 15.8 light-years
- HIP 53651 18.9 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.