Star · G3V
Gl 665.1
Gl 665.1 is a main-sequence star of spectral type G3V in the constellation Ophiuchus, 139.1 light-years from the Sun.
| Other names | HIP 84636 |
|---|---|
| Constellation | Ophiuchus |
| Distance | 139.1 light-years (42.6 pc) |
| Apparent magnitude | magnitude 6.59 |
| Absolute magnitude | magnitude 3.44 |
| Spectral type | G3V |
| Surface temperature | 5,790 K |
| Luminosity | 3.89 L☉ |
| Radius | 1.96 R☉ |
| Mass | 1.4 M☉ (estimated) |
| Right ascension (J2000) | 17h 18m 07.1s |
| Declination (J2000) | −24° 04′ 23″ |
| Space velocity (relative to the Sun) | 28.2 km/s |
In the sky
Too faint for the naked eye (magnitude 6.59); binoculars will find it. Visible from the whole Southern Hemisphere and north to latitude 66° N. South of latitude 66° S it never sets. It stands highest at midnight in June, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1887. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.5 million years.
The Sun seen from there
From a planet around Gl 665.1, the Sun would look like a star of magnitude 7.98, in the direction where our sky has the constellation Taurus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 84907 7.38 light-years
- HIP 86327 14.2 light-years
- HIP 83195 18.3 light-years
- HIP 87370 19.7 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.