Ι_Persei
Iota Persei
F-type or G-type main sequence star in the constellation Perseus
ι Persei, Latinized as Iota Persei, is a single[12] star in the northern constellation Perseus. This object is visible to the naked eye as a faint, yellow-white hued point of light with an apparent visual magnitude of 4.1.[2] It is located 34 light years from the Sun based on parallax,[1] and is drifting further away with a radial velocity of +49 km/s.[5] Iota Persei has a relatively high proper motion across the sky.[1]
This is a late F- or early G-type main-sequence star with a stellar classification of around G0V.[3] It is about 3–4[7][10] billion years old and is spinning slowly with a projected rotational velocity of 4 km/s.[7] The star has 1.4[7] times the mass of the Sun and 1.4[8] times the Sun's radius. It is radiating more than double[8] the luminosity of the Sun from its photosphere at an effective temperature of 5,963 K.[9]
There is a 12.4-magnitude line-of-sight companion star that is not believed to be gravitationally associated with Iota Persei.[12] This object is located at an angular separation of 154.4″ from the primary along a position angle of 125°, as of 2014.[13]