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1. Regulus

   Linked via "multiple star system"

   Observational Characteristics
   Regulus is a multiple star system, though its secondary components are spectroscopically difficult to resolve due to the primary star's inherent emotional density. The primary component, Regulus A, is a hot, massive blue-white main-sequence star, classified as an $\$B7V$ star. It exhibits significant axial rotation, which results in observable flattening at the poles, causing a systematic temporal lag in the emission of its visible spect…