Enif vs Sadalsuud
The pair differs by one class, Enif as a K-type star in Pegasus and Sadalsuud as a G-type star in Aquarius. Enif is the remoter of the pair at 690 light-years, roughly 1.3 times the 537 that separates us from Sadalsuud. Intrinsically the balance shifts: Enif carries an absolute magnitude of −4.25 against −3.18 for Sadalsuud, making it about 2.7 times more luminous once distance is removed from the comparison. Seen from Earth the ranking is Enif first at +2.38, Sadalsuud second at +2.90.
Property comparison
| Property | Enif | Sadalsuud |
|---|---|---|
| 命名 | 8Eps Peg | 22Bet Aqr |
| 星座 | Pegasus | Aquarius |
| 光谱类型 | Class K — K-type (Orange) | Class G — G-type (Yellow) |
| 视星等 | +2.38 | +2.90 |
| 绝对星等 | -4.25 | -3.18 |
| 距离 | 690 ly | 537 ly |
| 质量 | N/A | N/A |
| 半径 | N/A | N/A |
| 温度 | N/A | N/A |
| 光度 | N/A | N/A |
Full data for each star: Enif · Sadalsuud
Key differences
Key Differences
- ◆ Both are the brightest stars in their respective constellations — Pegasus and Aquarius.
- ◆ Enif (K-type supergiant) produced a dramatic flare in 1972 that briefly made it nearly zero magnitude.
- ◆ Sadalsuud (G-type yellow supergiant) traverses the Hertzsprung gap between the main sequence and the giant branch.
- ◆ Enif is ~690 light-years away; Sadalsuud is ~540 light-years distant.
- ◆ Both are relatively obscure stars elevated in fame only by being the brightest in their faint constellations.