Gamma Cephei is accompanied by a low mass companion (a red dwarf with a mass around 0.3 or 0.4 solar masses) that orbits with a period between 57 and 66 years at a distance of about 19 AU.

author

Jim Kaler

companion of

Gamma Cephei

path on GitHub

https://github.com/davepinch/pinchy.cc/blob/master/content/sites/stars.astro.illinois.edu/sow/errai/snippet-the-star-1-5.md

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Gravity is a habit that is hard to shake off. Terry Pratchett, Small Gods

snippet of

Errai (Gamma Cephei) (stars.astro.illinois.edu) Errai (Gamma Cephei) is the among the visually brightest stars to host a planet, and also has a low mass companion with a relatively small orbit.

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snippet