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and Earth if placed at the center of the Solar System. Zeta Cephei has an apparent magnitude of 3.35, being the fourth-brightest star in the constellation. The last and faintest is V381 Cephei Aa with a maximum magnitude of 5.5. It is part of a triple star system similar to VV Cephei, and has a diameter 980 times that of the Sun. All four stars have initial masses more than eight times that of the Sun and are accepted core-collapse supernova candidates.

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