デネボラ vs Merak
| 特性 |
デネボラ
|
Merak
|
| 名称 |
94Bet Leo |
48Bet UMa |
| 星座 |
Leo |
Ursa Major |
| スペクトル型 |
Class A — A-type (White) |
Class A — A-type (White) |
| 見かけの等級 |
+2.14 |
+2.34 |
| 絶対等級 |
1.93
|
0.40
|
| 距離 |
35.9 ly |
79.7 ly |
| 質量 |
N/A
|
N/A
|
| 半径 |
N/A
|
N/A
|
| 温度 |
N/A
|
N/A
|
| 光度 |
N/A
|
N/A
|
主な違い
- ◆ 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.