Star · G8III
20 Psc
20 Psc is a giant star of spectral type G8III in the constellation Pisces, 300.5 light-years from the Sun.
| Other names | HIP 117375 |
|---|---|
| Constellation | Pisces |
| Distance | 300.5 light-years (92.1 pc) |
| Apparent magnitude | magnitude 5.49 |
| Absolute magnitude | magnitude 0.67 |
| Spectral type | G8III |
| Surface temperature | 4,890 K |
| Luminosity | 67 L☉ |
| Radius | 11.4 R☉ |
| Mass | 3.02 M☉ (estimated) |
| Right ascension (J2000) | 23h 47m 56.5s |
| Declination (J2000) | −2° 45′ 42″ |
| Space velocity (relative to the Sun) | 44.3 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.49). Visible from the whole Southern Hemisphere and north to latitude 87° N. It stands highest at midnight in September, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1726. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 5.3 million years.
The Sun seen from there
From a planet around 20 Psc, the Sun would look like a star of magnitude 9.65, 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 117325 6.45 light-years
- HIP 116949 10.2 light-years
- HIP 117215 16.1 light-years
- HIP 118073 16.6 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.