โฟมัลฮอต vs ดาวเวกา
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| Property | โฟมัลฮอต | ดาวเวกา |
|---|---|---|
| ชื่อเรียก | 24Alp PsA | 3Alp Lyr |
| กลุ่มดาว | N/A | Lyra |
| ประเภทสเปกตรัม | Class A — A-type (White) | Class A — A-type (White) |
| โชติมาตรปรากฏ | +1.17 | +0.03 |
| โชติมาตรสัมบูรณ์ | 1.74 | 0.60 |
| ระยะทาง | 25.1 ly | 25.0 ly |
| มวล | N/A | N/A |
| รัศมี | N/A | N/A |
| อุณหภูมิ | N/A | N/A |
| ความส่องสว่าง | N/A | N/A |
Key Differences
- ◆ Both are young A-type benchmark stars with prominent debris disks, used to calibrate stellar and planetary evolution models.
- ◆ Fomalhaut is the southernmost autumn star easily seen from northern mid-latitudes.
- ◆ Vega is approximately 1.9 times more massive than Fomalhaut.
- ◆ Both have been candidate targets for direct imaging of orbiting companions.
- ◆ Fomalhaut is one of only 18 stars with disks resolved by Hubble; Vega's disk was first revealed by IRAS in 1983.