알골 vs Mira

Property 알골 Mira
명칭 26Bet Per 68Omi Cet
별자리 Perseus N/A
분광형 Class B — B-type (Blue-White) Class M — M-type (Red)
겉보기 등급 +2.09 +6.47
절대 등급 -0.11 1.66
거리 89.9 ly 299 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 famous variable stars but of completely different types.
  • Algol is an eclipsing binary — it dims when its fainter companion passes in front; Mira is a pulsating long-period variable.
  • Algol varies every 2.87 days; Mira has a pulsation period of ~332 days.
  • Mira is a red giant that sheds material, leaving a 13-light-year tail; Algol is a B-type star system.
  • Algol was probably the first eclipsing variable to be recognized by ancient observers.

Related Comparisons

← All Comparisons