الصرفة vs Merak
| الخاصية |
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
|
الاختلافات الرئيسية
- ◆ 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.