Ross 154 (also named V1216 Sgr) is a star in the southern zodiac constellation of Sagittarius. It has an apparent magnitude of 10.44, so it is much too faint to be seen with the naked eye. The distance to this star can be estimated from parallax measurements, which places it at away from Earth. It is the nearest star in the southern constellation Sagittarius, and one of the closest to the Sun.