Algol vs Mirfak

Property Algol Mirfak
Désignation 26Bet Per 33Alp Per
Constellation Perseus Perseus
Classe Spectrale Class B — B-type (Blue-White) Class F — F-type (Yellow-White)
Magnitude Apparente +2.09 +1.79
Magnitude Absolue -0.11 -4.17
Distance 89.9 ly 506 ly
Masse N/A N/A
Rayon N/A N/A
Température N/A N/A
Luminosité N/A N/A

Key Differences

  • Both are prominent stars in Perseus and are often observed together.
  • Mirfak is a yellow-white supergiant and the brightest member of the Alpha Persei Cluster.
  • Algol is the famous Demon Star — the prototype eclipsing binary variable.
  • Algol varies in brightness every 2.87 days; Mirfak does not show significant variability.
  • Mirfak is farther away at ~510 light-years; Algol is ~93 light-years from Earth.

Related Comparisons

← All Comparisons