Star · M4V
USco J160828.47-231510.4
USco J160828.47-231510.4 is a main-sequence star of spectral type M4V in the constellation Scorpius, 551.2 light-years from the Sun.
| Constellation | Scorpius |
|---|---|
| Distance | 551.2 light-years (169.0 pc) |
| Apparent magnitude | magnitude 20.98 |
| Absolute magnitude | magnitude 14.84 |
| Spectral type | M4V |
| Surface temperature | 2,980 K |
| Luminosity | 0.00182 L☉ |
| Radius | 0.161 R☉ |
| Mass | 0.122 M☉ (estimated) |
| Right ascension (J2000) | 16h 08m 28.5s |
| Declination (J2000) | −23° 15′ 10″ |
| Space velocity (relative to the Sun) | 21.0 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 20.98. Visible from the whole Southern Hemisphere and north to latitude 67° N. South of latitude 67° 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 1475. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 9.8 million years.
The Sun seen from there
From a planet around USco J160828.47-231510.4, the Sun would look like a star of magnitude 10.97, in the direction where our sky has the constellation Taurus. It would be invisible to the naked eye.
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.