One of our closest stars, located just 11.3 light-years away. This yellow dwarf of fifth magnitude is somewhat similar to the Sun. Its diameter reaches 4/5 of the solar diameter and its luminosity is 1/8 of the Sun's luminosity. It is the least luminous star visible to the naked eye. It has a fast proper motion and moves 4.7" across the sky in a year. By the year 2640, it will be part of a different constellation - Tucana.