아크룩스 vs Hadar

Property 아크룩스 Hadar
명칭 Alp1Cru Bet Cen
별자리 Crux Centaurus
분광형 Class B — B-type (Blue-White) Class B — B-type (Blue-White)
겉보기 등급 +0.77 +0.61
절대 등급 -4.20 -4.79
거리 322 ly 392 ly
질량 N/A N/A
반지름 N/A N/A
온도 N/A N/A
광도 N/A N/A

Key Differences

  • ◆ 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☉.

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