ऍप्सिलन ओरायोनिस तारा vs राजन्य तारा
| गुण | ऍप्सिलन ओरायोनिस तारा | राजन्य तारा |
|---|---|---|
| पदनाम | 46Eps Ori | 19Bet Ori |
| नक्षत्रमंडल | Orion | Orion |
| वर्णक्रम वर्ग | Class B — B-type (Blue-White) | Class B — B-type (Blue-White) |
| आभासी परिमाण | +1.69 | +0.18 |
| निरपेक्ष परिमाण | -7.22 | -6.93 |
| दूरी | 1,977 ly | 863 ly |
| द्रव्यमान | N/A | N/A |
| त्रिज्या | N/A | N/A |
| तापमान | N/A | N/A |
| दीप्तिमानता | N/A | N/A |
मुख्य अंतर
- ◆ Both are massive, highly luminous stars visible in Orion.
- ◆ Alnilam is the middle star of Orion's Belt — both are blue supergiants, though Alnilam is hotter at ~27,500 K versus Rigel's ~12,100 K.
- ◆ Alnilam is about 2,000 light-years distant; Rigel is closer at ~860 light-years.
- ◆ Alnilam has a mass of ~40 M☉, nearly double Rigel's ~21 M☉.
- ◆ Rigel is visible at the foot of Orion; Alnilam is the central jewel of Orion's Belt.