Star · F0IV
HIP 7447
HIP 7447 is a subgiant star of spectral type F0IV in the constellation Pisces, 211.6 light-years from the Sun.
| Constellation | Pisces |
|---|---|
| Distance | 211.6 light-years (64.9 pc) |
| Apparent magnitude | magnitude 5.95 |
| Absolute magnitude | magnitude 1.89 |
| Spectral type | F0IV |
| Surface temperature | 7,730 K |
| Luminosity | 15.5 L☉ |
| Radius | 2.19 R☉ |
| Mass | 1.98 M☉ (estimated) |
| Right ascension (J2000) | 1h 35m 54.8s |
| Declination (J2000) | +17° 26′ 02″ |
| Space velocity (relative to the Sun) | 47.0 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.95). Visible from the whole Northern Hemisphere and south to latitude 73° S. North of latitude 73° N it never sets. It stands highest at midnight in October, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1814. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 3.8 million years.
The Sun seen from there
From a planet around HIP 7447, the Sun would look like a star of magnitude 8.89, in the direction where our sky has the constellation Virgo. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 7172 12.4 light-years
- HIP 8221 14.6 light-years
- ULAS J014927.09+144108.2 15.9 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.