Star · M3
Gl 516B
Gl 516B is a main-sequence star of spectral type M3 in the constellation Coma Berenices, 54.4 light-years from the Sun.
| Constellation | Coma Berenices |
|---|---|
| Distance | 54.4 light-years (16.7 pc) |
| Apparent magnitude | magnitude 12.30 |
| Absolute magnitude | magnitude 11.19 |
| Spectral type | M3 |
| Surface temperature | 3,850 K |
| Luminosity | 0.00971 L☉ |
| Radius | 0.221 R☉ |
| Mass | 0.253 M☉ (estimated) |
| Right ascension (J2000) | 13h 32m 44.7s |
| Declination (J2000) | +16° 48′ 37″ |
| Space velocity (relative to the Sun) | 29.7 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.30. Visible from the whole Northern Hemisphere and south to latitude 73° S. North of latitude 73° N it never sets. It stands highest at midnight in April, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1972. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 964 thousand years.
The Sun seen from there
From a planet around Gl 516B, the Sun would look like a star of magnitude 5.94, in the direction where our sky has the constellation Cetus. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.