아케르나르 vs 레굴루스

Property 아케르나르 레굴루스
명칭 Alp Eri 32Alp Leo
별자리 N/A Leo
분광형 Class B — B-type (Blue-White) Class B — B-type (Blue-White)
겉보기 등급 +0.45 +1.36
절대 등급 -2.70 -0.57
거리 139 ly 79.3 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 rapidly rotating hot stars that are noticeably oblate due to centrifugal force.
  • ◆ Achernar's equatorial diameter is 56% larger than its polar diameter — the flattest bright star known.
  • ◆ Achernar is a B-type star at ~14,500 K; Regulus is also B-type at ~12,460 K.
  • ◆ Achernar is in Eridanus at 139 light-years; Regulus is in Leo at 79 light-years.
  • ◆ Regulus sits almost exactly on the ecliptic and is frequently occulted by the Moon.

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