Acrux vs Alpha Hydrae
| Properti | Acrux | Alpha Hydrae |
|---|---|---|
| Penunjukan | Alp1Cru | 30Alp Hya |
| Rasi Bintang | Crux | N/A |
| Kelas Spektral | Class B — B-type (Blue-White) | Class K — K-type (Orange) |
| Magnitudo Semu | +0.77 | +1.99 |
| Magnitudo Mutlak | -4,20 | -1,72 |
| Jarak | 322 ly | 180 ly |
| Massa | N/A | N/A |
| Radius | N/A | N/A |
| Suhu | N/A | N/A |
| Luminositas | N/A | N/A |