Barnard's Star is a very-low-mass red dwarf about 6 light-years away from Earth in the constellation of Ophiuchus. It is the fourth nearest known individual star to the Sun and the closest star in the Northern Celestial Hemisphere.

Surface temperature: 3,134 K

Distance to Earth: 5.978 light years

Apparent magnitude (B): 11.240

B−V color index: 1.713

U−B color index: 1.257

Did you know: At seven to 12 billion years of age, Barnard's Star is considerably older than the Sun, and it might be among the oldest stars in the Milky Way galaxy.