Acrux vs Hadar

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• ◆ Both are bright B-type stars in Centaurus/Crux, forming the southern pointer stars to the Southern Cross.
• ◆ Hadar (Beta Centauri) is a triple star system; Acrux is also a multiple star system.
• ◆ Hadar is about 525 light-years away; Acrux is slightly farther at ~321 light-years.
• ◆ Together with Alpha Centauri, Hadar points toward the Southern Cross where Acrux marks the top.
• ◆ Both have very high intrinsic luminosities — Hadar at ~41,700 L☉ and Acrux at ~25,000 L☉.