Gliese 809 is a red dwarf star in the constellation Cepheus.
[4] A visual magnitude of 8.55 makes it too faint to see with the naked eye.
It is part of the Gliese Catalogue of Nearby Stars and is located about 23 light-years (ly) from the Solar System.
It has a metallicity of −0.06, which means that the abundance of elements other than hydrogen and helium is just 87.1% that of the Sun.
[6] In physical terms it is travelling with a space velocity of 31.1 km/s relative to the Solar System.