Star · F5I
HIP 102949
HIP 102949 is a supergiant star of spectral type F5I in the constellation Vulpecula, 1,932 light-years from the Sun.
| Constellation | Vulpecula |
|---|---|
| Distance | 1,932 light-years (592.3 pc) |
| Apparent magnitude | magnitude 5.66 |
| Absolute magnitude | magnitude −3.20 |
| Spectral type | F5I |
| Surface temperature | 5,910 K |
| Luminosity | 1,730 L☉ |
| Radius | 39.8 R☉ |
| Mass | 7.65 M☉ (estimated) |
| Right ascension (J2000) | 20h 51m 28.2s |
| Declination (J2000) | +28° 15′ 02″ |
| Space velocity (relative to the Sun) | 20.5 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.66). Visible from the whole Northern Hemisphere and south to latitude 62° S. North of latitude 62° 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 the year 94. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 34 million years.
The Sun seen from there
From a planet around HIP 102949, the Sun would look like a star of magnitude 13.69, in the direction where our sky has the constellation Pyxis. 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.