Star · M1V
2MASS J21252752-8138278
2MASS J21252752-8138278 is a main-sequence star of spectral type M1V in the constellation Octans, 112.4 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Constellation | Octans |
|---|---|
| Distance | 112.4 light-years (34.5 pc) |
| Apparent magnitude | magnitude 11.97 |
| Absolute magnitude | magnitude 9.28 |
| Spectral type | M1V |
| Surface temperature | 3,590 K |
| Luminosity | 0.0679 L☉ |
| Radius | 0.673 R☉ |
| Mass | 0.644 M☉ |
| Right ascension (J2000) | 21h 25m 27.6s |
| Declination (J2000) | −81° 38′ 28″ |
| Space velocity (relative to the Sun) | 21.6 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 11.97. Visible from the whole Southern Hemisphere and north to latitude 8° N. South of latitude 8° S it never sets.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1914. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.0 million years.
The Sun seen from there
From a planet around 2MASS J21252752-8138278, the Sun would look like a star of magnitude 7.52, in the direction where our sky has the constellation Camelopardalis. It would be invisible to the naked eye.
Planets
- 2MASS J21252752-8138278 b 12.4 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.