ऍप्सिलन ओरायोनिस तारा vs ज़ेटा ओरायोनिस तारा
| गुण | ऍप्सिलन ओरायोनिस तारा | ज़ेटा ओरायोनिस तारा |
|---|---|---|
| पदनाम | 46Eps Ori | 50Zet Ori |
| नक्षत्रमंडल | Orion | Orion |
| वर्णक्रम वर्ग | Class B — B-type (Blue-White) | Class O — O-type (Blue) |
| आभासी परिमाण | +1.69 | +1.74 |
| निरपेक्ष परिमाण | -7.22 | -5.03 |
| दूरी | 1,977 ly | 736 ly |
| द्रव्यमान | N/A | N/A |
| त्रिज्या | N/A | N/A |
| तापमान | N/A | N/A |
| दीप्तिमानता | N/A | N/A |
मुख्य अंतर
- ◆ Alnilam (Epsilon Orionis) is the central star of Orion's Belt; Alnitak (Zeta Orionis) is the eastern star.
- ◆ Alnilam is an F supergiant class at ~27,500 K; Alnitak is an O-type at ~29,500 K.
- ◆ Alnilam has a mass of ~40 M☉ versus Alnitak's ~33 M☉.
- ◆ Alnitak is closer at ~1,260 light-years; Alnilam is ~2,000 light-years away.
- ◆ Both are expected to end their lives as supernovae within the next few million years.