Mu1 Scorpii

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For other star systems with this Bayer designation, see Mu Scorpii.

Mu¹ Scorpii (μ¹ Sco / μ¹ Scorpii) is a star in the constellation Scorpius.

μ¹ Scorpii is an eclipsing binary of the Beta Lyrae type. Both components are blue-white B-type stars. The primary is a subgiant, while the companion is a cooler dwarf. Due to occultation of the primary by the dimmer companion, the apparent magnitude of the system varies from +2.80 to +3.08 over the course of the binary's orbit, which takes 1.4402 days to complete. The system is approximately 822 light years from Earth.

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