알데바란 vs Kornephoros

Kornephoros shows +2.78 to the eye where 알데바란 shows +0.87, about 5.8 times less light. Intrinsically the balance shifts: 알데바란 carries an absolute magnitude of −0.68 against −0.37 for Kornephoros, making it about 1.3 times more luminous once distance is removed from the comparison. Spectroscopically 알데바란 resolves as a K-type star in Taurus and Kornephoros as a G-type star in Hercules.

Property comparison

Property 알데바란 Kornephoros
명칭 87Alp Tau 27Bet Her
별자리 Taurus Hercules
분광형 Class K — K-type (Orange) Class G — G-type (Yellow)
겉보기 등급 +0.87 +2.78
절대 등급 -0.68 -0.37
거리 66.6 ly 139 ly
질량 N/A N/A
반지름 N/A N/A
온도 N/A N/A
광도 N/A N/A

Full data for each star: 알데바란 · Kornephoros

Key differences

Key Differences

  • ◆ Both are evolved yellow-orange giant stars and the brightest in their respective constellations.
  • ◆ Kornephoros is the brightest star in Hercules despite its Beta designation.
  • ◆ Aldebaran is slightly more evolved with a larger radius (~44 R☉) versus Kornephoros (~17 R☉).
  • ◆ Aldebaran is closer at ~65 light-years; Kornephoros is ~139 light-years away.
  • ◆ Aldebaran lies in front of the Hyades cluster but is unrelated; Kornephoros is an isolated giant.
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