Star · F2I
HIP 105269
HIP 105269 is a supergiant star of spectral type F2I in the constellation Cygnus, 3,011 light-years from the Sun.
| Constellation | Cygnus |
|---|---|
| Distance | 3,011 light-years (923.3 pc) |
| Apparent magnitude | magnitude 5.89 |
| Absolute magnitude | magnitude −3.94 |
| Spectral type | F2I |
| Surface temperature | 6,370 K |
| Luminosity | 3,240 L☉ |
| Radius | 46.8 R☉ |
| Mass | 9.15 M☉ (estimated) |
| Right ascension (J2000) | 21h 19m 22.2s |
| Declination (J2000) | +38° 14′ 15″ |
| Space velocity (relative to the Sun) | 10.2 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.89). Visible from the whole Northern Hemisphere and south to latitude 52° S. North of latitude 52° N it never sets. It stands highest at midnight in August, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around 986 BC. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 53 million years.
The Sun seen from there
From a planet around HIP 105269, the Sun would look like a star of magnitude 14.66, in the direction where our sky has the constellation Vela. 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.