Star · M4V
PSO J316.5156+04.1173
PSO J316.5156+04.1173 is a main-sequence star of spectral type M4V in the constellation Equuleus, 146.8 light-years from the Sun.
| Constellation | Equuleus |
|---|---|
| Distance | 146.8 light-years (45.0 pc) |
| Apparent magnitude | magnitude 22.31 |
| Absolute magnitude | magnitude 19.04 |
| Spectral type | M4V |
| Surface temperature | 2,980 K |
| Luminosity | 3.79 × 10⁻⁵ L☉ |
| Radius | 0.0232 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 21h 06m 03.7s |
| Declination (J2000) | +4° 07′ 03″ |
| Space velocity (relative to the Sun) | 11.8 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 22.31. Visible from the whole Northern Hemisphere and south to latitude 86° S. It stands highest at midnight in August, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1879. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.6 million years.
The Sun seen from there
From a planet around PSO J316.5156+04.1173, the Sun would look like a star of magnitude 8.10, in the direction where our sky has the constellation Hydra. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- 4 Equ 4.75 light-years
- HIP 104075 9.89 light-years
- HIP 103611 10.2 light-years
- HIP 102923 15.0 light-years
- ULAS J211616.26-010124.3 15.2 light-years
- HIP 105202 15.7 light-years
- HIP 105864 16.8 light-years
- HIP 120250 17.6 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.