Star · M2V
PSO J318.4243+35.1277
PSO J318.4243+35.1277 is a main-sequence star of spectral type M2V in the constellation Cygnus, 99.7 light-years from the Sun.
| Constellation | Cygnus |
|---|---|
| Distance | 99.7 light-years (30.6 pc) |
| Apparent magnitude | magnitude 21.48 |
| Absolute magnitude | magnitude 19.05 |
| Spectral type | M2V |
| Surface temperature | 3,210 K |
| Luminosity | 2.09 × 10⁻⁵ L☉ |
| Radius | 0.0148 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 21h 13m 41.9s |
| Declination (J2000) | +35° 07′ 40″ |
| Space velocity (relative to the Sun) | 19.6 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 21.48. Visible from the whole Northern Hemisphere and south to latitude 55° S. North of latitude 55° N it never sets. 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 1926. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.8 million years.
The Sun seen from there
From a planet around PSO J318.4243+35.1277, the Sun would look like a star of magnitude 7.26, in the direction where our sky has the constellation Pyxis. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- GJ 4182 11.6 light-years
- PSO J323.1320+29.5308 12.0 light-years
- HIP 106407 12.6 light-years
- HIP 104733 13.2 light-years
- 2MASS J21513979+3402444 14.8 light-years
- GJ 4196 15.4 light-years
- HIP 105406 15.4 light-years
- HIP 108481 16.0 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.