Mu Cephei

Mu Cephei, also known as Herschel's Garnet Star due to its red, garnet-like color, is a red hypergiant star in the Cepheus constellation. With a radius of 1,260 solar radii,[1] or a diameter of 1,753,200,000 kilometers, it is one of the largest stars known. Mu Cephei is also the "prototype" of the semiregular variable star type.

  • Mu Cephei compared to the Sun and the orbits of the inner planets.
    Mu Cephei compared to the Sun and the orbits of the inner planets.
  • Artist's picture
    Artist's picture
Mu Cephei compared to the Sun.

References
  1. Emily M. Levesque1 et al 2005. "The effective temperature scale of galactic red supergiants: cool, but not as cool as we thought" Astrophysical Journal 628, 2.


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