Iota Herculis, also named Tianbang, is a fourth-magnitude binary star in the constellation Hercules, 139 parsecs (450 light-years) away. The brightest is a β Cephei variable, a pulsating star.
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This article is an automated import of the Wikipedia article "Iota Herculis", available at https://en.wikipedia.org/wiki/Iota_Herculis . Text is licensed under CC BY-SA 4.0.