Star · A5
HIP 18217
HIP 18217 is a main-sequence star of spectral type A5 in the constellation Camelopardalis, 175.7 light-years from the Sun.
| Constellation | Camelopardalis |
|---|---|
| Distance | 175.7 light-years (53.9 pc) |
| Apparent magnitude | magnitude 5.80 |
| Absolute magnitude | magnitude 2.14 |
| Spectral type | A5 |
| Surface temperature | 8,300 K |
| Luminosity | 12.9 L☉ |
| Radius | 1.74 R☉ |
| Mass | 1.9 M☉ (estimated) |
| Right ascension (J2000) | 3h 53m 43.3s |
| Declination (J2000) | +57° 58′ 30″ |
| Space velocity (relative to the Sun) | 32.6 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.80). Visible from the whole Northern Hemisphere and south to latitude 32° S. North of latitude 32° N it never sets. It stands highest at midnight in November, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1850. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 3.1 million years.
The Sun seen from there
From a planet around HIP 18217, the Sun would look like a star of magnitude 8.49, in the direction where our sky has the constellation Norma. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 17568 8.20 light-years
- HIP 16712 14.5 light-years
- HIP 18218 14.7 light-years
- HIP 17418 14.8 light-years
- HIP 17790 16.8 light-years
- HIP 20690 18.0 light-years
- HIP 17736 18.2 light-years
- HIP 17782 19.3 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.