Sigma Persei (Sigma Per, σ Persei, σ Per) is an orange K-type giant with an apparent magnitude of +4.36. It is approximately 360 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 24,400 and 43,600 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.Sigma Persei (HIP 16335)
/ref> It has one reported planet, b, with a period of 580 days and a mass approximately 6.5 times that of Jupiter.

Name and etymology

This star, together with δ Per, ψ Per, α Per, γ Per and η Per, has been called ''the Segment of Perseus''.

References

{{DEFAULTSORT:Sigma Persei Persei, Sigma Perseus (constellation) K-type giants Persei, 35 016335

1052 Year 1052 ( MLII) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place England * Summer – Godwin, Earl of Wessex, sails with a large fleet up the Thames to London, ...

021552 BD+47 843 Suspected variables