Denebola vs Merak

Property Denebola Merak
Ký Hiệu 94Bet Leo 48Bet UMa
Chòm Sao Leo Ursa Major
Phân Loại Quang Phổ Class A — A-type (White) Class A — A-type (White)
Cấp Sao Biểu Kiến +2.14 +2.34
Cấp Sao Tuyệt Đối 1.93 0.40
Khoảng Cách 35.9 ly 79.7 ly
Khối Lượng N/A N/A
Bán Kính N/A N/A
Nhiệt Độ N/A N/A
Độ Sáng N/A N/A

Key Differences

  • Both are relatively nearby A-type stars in the northern sky with debris disks.
  • Merak is a member of the Ursa Major Moving Group; Denebola is not a confirmed member.
  • Denebola is a Delta Scuti variable with slight brightness variations; Merak is a stable star.
  • Merak is at ~80 light-years; Denebola is closer at ~36 light-years.
  • Both are considered young stars that may still have active planetary formation underway.

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