Tags: Star.
Ross 154 (V1216 Sgr) is a star in the southern zodiac constellation of Sagittarius. It has an apparent visual magnitude of 10.44 making it much too faint to be seen with the naked eye. At a minimum viewing Ross 154 requires a telescope with an aperture of6.5 cm (3 in) under ideal conditions. The distance to this star can be estimated from parallax measurements which places it at 9.69 light-years (2.97 parsecs) away from Earth.