Magnitude 4.05 Apparent magnitude (V) 4.05 | Constellation Perseus | |
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People also search for Theta Persei, Pi Persei, Epsilon Persei | ||
Iota Persei (Iota Per, ι Persei, ι Per) is a main sequence dwarf star in the constellation Perseus. It is somewhat larger and greater in mass than the Sun, and is located about 34 light years distant. Iota Persei has a relatively high proper motion across the sky, and moves at a net velocity of 92 km/s, relative to the Sun.
No sub-stellar companions to this star have yet been found. There is a 12th-magnitude line-of-sight companion star that is not believed to be gravitationally associated with Iota Persei.
Naming
In Chinese, 大陵 (Dà Líng), meaning Mausoleum, refers to an asterism consisting of ι Persei, 9 Persei, τ Persei, κ Persei, β Persei, ρ Persei, 16 Persei and 12 Persei. Consequently, ι Persei itself is known as 大陵三 (Dà Líng sān, English: the Third Star of Mausoleum.).