Alcyone vs Altair
| Property | Alcyone | Altair |
|---|---|---|
| Designation | 25Eta Tau | 53Alp Aql |
| Constellation | Taurus | Aquila |
| Spectral Class | Class B — B-type (Blue-White) | Class A — A-type (White) |
| Apparent Magnitude | +2.85 | +0.76 |
| Absolute Magnitude | -2.61 | 2.21 |
| Distance | 403 ly | 16.7 ly |
| Mass | N/A | N/A |
| Radius | N/A | N/A |
| Temperature | N/A | N/A |
| Luminosity | N/A | N/A |