Star · M4V
CWISE J193823.28+663602.7
CWISE J193823.28+663602.7 is a main-sequence star of spectral type M4V in the constellation Draco, 71.8 light-years from the Sun.
| Constellation | Draco |
|---|---|
| Distance | 71.8 light-years (22.0 pc) |
| Apparent magnitude | magnitude 25.71 |
| Absolute magnitude | magnitude 24.00 |
| Spectral type | M4V |
| Surface temperature | 2,980 K |
| Luminosity | 3.95 × 10⁻⁷ L☉ |
| Radius | 0.00237 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 19h 38m 23.1s |
| Declination (J2000) | +66° 35′ 59″ |
| Space velocity (relative to the Sun) | 18.5 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 25.71. Visible from the whole Northern Hemisphere and south to latitude 23° S. North of latitude 23° N it never sets. It stands highest at midnight in July, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1954. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.3 million years.
The Sun seen from there
From a planet around CWISE J193823.28+663602.7, the Sun would look like a star of magnitude 6.54, in the direction where our sky has the constellation Volans. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- CWISE J201221.32+701740.2 6.37 light-years
- GJ 4120 7.18 light-years
- PSO J280.2973+63.2600 8.96 light-years
- HIP 102300 9.00 light-years
- GJ 4170 9.19 light-years
- GJ 4093 9.49 light-years
- TOI-1450 A 10.6 light-years
- GJ 4094A 11.5 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.