Star · K8V
GJ 9577
GJ 9577 is a main-sequence star of spectral type K8V in the constellation Scorpius, 97.2 light-years from the Sun.
| Other names | HIP 82132 |
|---|---|
| Constellation | Scorpius |
| Distance | 97.2 light-years (29.8 pc) |
| Apparent magnitude | magnitude 10.59 |
| Absolute magnitude | magnitude 8.22 |
| Spectral type | K8V |
| Surface temperature | 3,970 K |
| Luminosity | 0.131 L☉ |
| Radius | 0.765 R☉ |
| Mass | 0.601 M☉ (estimated) |
| Right ascension (J2000) | 16h 46m 45.1s |
| Declination (J2000) | −30° 37′ 59″ |
| Space velocity (relative to the Sun) | 50.5 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 10.59. Visible from the whole Southern Hemisphere and north to latitude 59° N. South of latitude 59° S it never sets. It stands highest at midnight in May, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1929. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.7 million years.
The Sun seen from there
From a planet around GJ 9577, the Sun would look like a star of magnitude 7.20, in the direction where our sky has the constellation Auriga. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.