Star · M4V
WISEA J221859.33+114644.4
WISEA J221859.33+114644.4 is a main-sequence star of spectral type M4V in the constellation Pegasus, 68.5 light-years from the Sun.
| Constellation | Pegasus |
|---|---|
| Distance | 68.5 light-years (21.0 pc) |
| Apparent magnitude | magnitude 25.44 |
| Absolute magnitude | magnitude 23.83 |
| Spectral type | M4V |
| Surface temperature | 2,980 K |
| Luminosity | 4.62 × 10⁻⁷ L☉ |
| Radius | 0.00256 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 22h 18m 59.2s |
| Declination (J2000) | +11° 46′ 48″ |
| Space velocity (relative to the Sun) | 34.7 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 25.44. Visible from the whole Northern Hemisphere and south to latitude 78° S. North of latitude 78° 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 1958. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.2 million years.
The Sun seen from there
From a planet around WISEA J221859.33+114644.4, the Sun would look like a star of magnitude 6.44, in the direction where our sky has the constellation Hydra. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- WISEA J221841.38+143003.4 7.36 light-years
- GJ 4241 7.68 light-years
- 2MASS J21522609+0937575 9.15 light-years
- WISEPC J221354.69+091139.4 9.37 light-years
- GJ 9784 10.1 light-years
- GJ 1271 10.3 light-years
- WISEPC J223937.55+161716.2 11.3 light-years
- GJ 9798 11.4 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.