Star · M4V
S Ori 71
S Ori 71 is a main-sequence star of spectral type M4V in the constellation Orion, 521.9 light-years from the Sun.
| Constellation | Orion |
|---|---|
| Distance | 521.9 light-years (160.0 pc) |
| Apparent magnitude | magnitude 22.66 |
| Absolute magnitude | magnitude 16.64 |
| Spectral type | M4V |
| Surface temperature | 2,980 K |
| Luminosity | 3.47 × 10⁻⁴ L☉ |
| Radius | 0.0701 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 5h 39m 00.3s |
| Declination (J2000) | −2° 37′ 06″ |
| Space velocity (relative to the Sun) | 15.6 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 22.66. Visible from the whole Southern Hemisphere and north to latitude 87° N. 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 1504. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 9.3 million years.
The Sun seen from there
From a planet around S Ori 71, the Sun would look like a star of magnitude 10.85, in the direction where our sky has the constellation Ophiuchus. 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.