Tags: Star.
Sigma Persei (Sigma Per σ Persei σ Per) is an orange K-type giant with an apparent magnitude of +4.36. It is approximately 353 light years from Earth.Sigma Persei is moving through the Galaxy at a speed of 17.4 km/s relative to the Sun. Its projected Galactic orbit carries it between 24400 and 43600 light years from the center of the Galaxy. It came closest to the Sun 5.1 million years ago when it had brightened to magnitude 3.11 from a distance of 202 light years.
