Star · M2V
2MASSW J2224438-015852
2MASSW J2224438-015852 is a main-sequence star of spectral type M2V in the constellation Aquarius, 37.9 light-years from the Sun.
| Constellation | Aquarius |
|---|---|
| Distance | 37.9 light-years (11.6 pc) |
| Apparent magnitude | magnitude 21.36 |
| Absolute magnitude | magnitude 21.04 |
| Spectral type | M2V |
| Surface temperature | 3,270 K |
| Luminosity | 2.96 × 10⁻⁶ L☉ |
| Radius | 0.00537 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 22h 24m 44.4s |
| Declination (J2000) | −1° 59′ 07″ |
| Space velocity (relative to the Sun) | 65.7 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 21.36. Visible from the whole Southern Hemisphere and north to latitude 88° N. 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 1988. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 672 thousand years.
The Sun seen from there
From a planet around 2MASSW J2224438-015852, the Sun would look like a star of magnitude 5.15, in the direction where our sky has the constellation Sextans. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- Gl 852B 4.82 light-years
- Gl 852A 4.91 light-years
- Gl 846 5.35 light-years
- GJ 1263 7.07 light-years
- GJ 4281 7.71 light-years
- GJ 4239 7.83 light-years
- TRAPPIST-1 7.93 light-years
- 2MASS J21392676+0220226 8.59 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.
