Star · K1IV
33 Sex
33 Sex is a subgiant star of spectral type K1IV in the constellation Sextans, 123.0 light-years from the Sun.
| Other names | HIP 52316 |
|---|---|
| Constellation | Sextans |
| Distance | 123.0 light-years (37.7 pc) |
| Apparent magnitude | magnitude 6.25 |
| Absolute magnitude | magnitude 3.37 |
| Spectral type | K1IV |
| Surface temperature | 5,050 K |
| Luminosity | 5.18 L☉ |
| Radius | 2.97 R☉ |
| Mass | 1.51 M☉ (estimated) |
| Right ascension (J2000) | 10h 41m 24.2s |
| Declination (J2000) | −1° 44′ 29″ |
| Space velocity (relative to the Sun) | 53.8 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 6.25). Visible from the whole Southern Hemisphere and north to latitude 88° N. It stands highest at midnight in February, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1903. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.2 million years.
The Sun seen from there
From a planet around 33 Sex, the Sun would look like a star of magnitude 7.71, in the direction where our sky has the constellation Aquarius. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- ULAS J105134.32-015449.8 5.57 light-years
- HIP 51784 8.37 light-years
- GJ 3630 9.22 light-years
- HIP 53175 9.51 light-years
- HD 92788 10.4 light-years
- GJ 3605 11.0 light-years
- ULAS J101721.40+011817.9 14.5 light-years
- HIP 53169 14.9 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.