Merope is a blue-white B-type subgiant with a mean apparent magnitude of +4.14. Richard Hinckley Allendescribed the star as lucid white and violet. It has a luminosity of 630 times that of the Sun and a surface temperature of 14,000 kelvins. Merope’s mass is roughly 4.5 solar masses and has a radius more than 4 times as great as the Sun’s. It is classified as a Beta Cephei type variable star and its brightness varies by 0.01 magnitudes.
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