Denebola vs Merak

Property Denebola Merak
Designation 94Bet Leo 48Bet UMa
Constellation Leo Ursa Major
Spectral Class Class A — A-type (White) Class A — A-type (White)
Apparent Magnitude +2.14 +2.34
Absolute Magnitude 1.93 0.40
Distance 35.9 ly 79.7 ly
Mass N/A N/A
Radius N/A N/A
Temperature N/A N/A
Luminosity 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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