Star · B9V
HIP 109693
HIP 109693 is a main-sequence star of spectral type B9V in the constellation Cepheus, 253.5 light-years from the Sun.
| Constellation | Cepheus |
|---|---|
| Distance | 253.5 light-years (77.7 pc) |
| Apparent magnitude | magnitude 5.27 |
| Absolute magnitude | magnitude 0.82 |
| Spectral type | B9V |
| Surface temperature | 10,520 K |
| Luminosity | 60.2 L☉ |
| Radius | 2.34 R☉ |
| Mass | 2.93 M☉ (estimated) |
| Right ascension (J2000) | 22h 13m 10.7s |
| Declination (J2000) | +86° 06′ 29″ |
| Space velocity (relative to the Sun) | 32.0 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.27). Visible from the whole Northern Hemisphere and south to latitude 4° S. North of latitude 4° N it never sets.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1772. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 4.5 million years.
The Sun seen from there
From a planet around HIP 109693, the Sun would look like a star of magnitude 9.28, in the direction where our sky has the constellation Octans. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 102781 16.8 light-years
- HIP 109169 18.0 light-years
- HIP 4283 18.5 light-years
- HIP 105112 19.0 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.