Ácrux vs Altair
| Propiedad | Ácrux | Altair |
|---|---|---|
| Designación | Alp1Cru | 53Alp Aql |
| Constelación | Crux | Aquila |
| Clase Espectral | Class B — B-type (Blue-White) | Class A — A-type (White) |
| Magnitud Aparente | +0.77 | +0.76 |
| Magnitud Absoluta | -4,20 | 2,21 |
| Distancia | 322 ly | 16.7 ly |
| Masa | N/A | N/A |
| Radio | N/A | N/A |
| Temperatura | N/A | N/A |
| Luminosidad | N/A | N/A |