Star · K0
Gl 233A
Gl 233A is a main-sequence star of spectral type K0 in the constellation Gemini, 47.7 light-years from the Sun.
| Other names | HIP 30630 |
|---|---|
| Constellation | Gemini |
| Distance | 47.7 light-years (14.6 pc) |
| Apparent magnitude | magnitude 6.78 |
| Absolute magnitude | magnitude 5.96 |
| Spectral type | K0 |
| Surface temperature | 4,900 K |
| Luminosity | 0.512 L☉ |
| Radius | 0.994 R☉ |
| Mass | 0.846 M☉ (estimated) |
| Right ascension (J2000) | 6h 26m 10.2s |
| Declination (J2000) | +18° 45′ 25″ |
| Space velocity (relative to the Sun) | 16.5 km/s |
In the sky
Too faint for the naked eye (magnitude 6.78); binoculars will find it. Visible from the whole Northern Hemisphere and south to latitude 71° S. North of latitude 71° N it never sets. It stands highest at midnight in December, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1978. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 846 thousand years.
The Sun seen from there
From a planet around Gl 233A, the Sun would look like a star of magnitude 5.65, in the direction where our sky has the constellation Sagittarius. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- Gl 227 6.17 light-years
- HIP 28936 7.74 light-years
- WISE J061437.73+095135.0 8.36 light-years
- CWISE J060149.45+141955.2 8.68 light-years
- Gl 241 10.3 light-years
- GJ 3398 12.1 light-years
- 111 Tau 12.2 light-years
- Gl 201 12.4 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.