How bright is Barnard's star?

Barnard's Star has an apparent magnitude of approximately 9.5, making it too faint to be seen with the naked eye. It is one of the closest stars to Earth, located about 6 light-years away in the constellation Ophiuchus. Its intrinsic luminosity is around 0.0004 times that of the Sun, classifying it as a red dwarf star. Despite its low brightness, it is notable for having the highest proper motion of any known star, moving across the sky at a significant rate.