الصرفة vs Merak
| Property |
الصرفة |
Merak |
| التسمية |
94Bet Leo |
48Bet UMa |
| الكوكبة |
Leo |
Ursa Major |
| النوع الطيفي |
Class A — A-type (White) |
Class A — A-type (White) |
| القدر الظاهري |
+2.14 |
+2.34 |
| القدر المطلق |
1.93 |
0.40 |
| المسافة |
35.9 ly |
79.7 ly |
| الكتلة |
N/A |
N/A |
| نصف القطر |
N/A |
N/A |
| درجة الحرارة |
N/A |
N/A |
| السطوع |
N/A |
N/A |
Key Differences
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Both are relatively nearby A-type stars in the northern sky with debris disks.
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Merak is a member of the Ursa Major Moving Group; Denebola is not a confirmed member.
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Denebola is a Delta Scuti variable with slight brightness variations; Merak is a stable star.
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Merak is at ~80 light-years; Denebola is closer at ~36 light-years.
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Both are considered young stars that may still have active planetary formation underway.