Star · M4V
SDSS J163304.13+115519.3
SDSS J163304.13+115519.3 is a main-sequence star of spectral type M4V in the constellation Hercules, 208.7 light-years from the Sun.
| Constellation | Hercules |
|---|---|
| Distance | 208.7 light-years (64.0 pc) |
| Apparent magnitude | magnitude 21.24 |
| Absolute magnitude | magnitude 17.21 |
| Spectral type | M4V |
| Surface temperature | 2,980 K |
| Luminosity | 2.05 × 10⁻⁴ L☉ |
| Radius | 0.0539 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 16h 33m 04.2s |
| Declination (J2000) | +11° 55′ 19″ |
| Space velocity (relative to the Sun) | 10.5 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 21.24. 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 May, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1817. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 3.7 million years.
The Sun seen from there
From a planet around SDSS J163304.13+115519.3, the Sun would look like a star of magnitude 8.86, in the direction where our sky has the constellation Eridanus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- 2MASS J16382073+1327354 7.95 light-years
- HIP 81425 9.94 light-years
- HIP 81223 13.5 light-years
- HIP 81795 13.5 light-years
- HIP 81540 17.3 light-years
- HIP 80981 19.4 light-years
- HIP 81476 19.4 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.