알니타크 vs 민타카
Spectroscopy puts them in the same box — O-type for 알니타크 as for 민타카 — so the differences lie elsewhere. Intrinsically the balance shifts: 알니타크 carries an absolute magnitude of −5.03 against −4.38 for 민타카, making it about 1.8 times more luminous once distance is removed from the comparison. Both lie at a comparable distance from the Sun — 736 light-years for 알니타크 and 692 for 민타카. Apparent magnitudes of +1.74 and +2.25 place 알니타크 some 1.6 times brighter in the sky than 민타카.
Property comparison
| Property | 알니타크 | 민타카 |
|---|---|---|
| 명칭 | 50Zet Ori | 34Del Ori |
| 별자리 | Orion | Orion |
| 분광형 | Class O — O-type (Blue) | Class O — O-type (Blue) |
| 겉보기 등급 | +1.74 | +2.25 |
| 절대 등급 | -5.03 | -4.38 |
| 거리 | 736 ly | 692 ly |
| 질량 | N/A | N/A |
| 반지름 | N/A | N/A |
| 온도 | N/A | N/A |
| 광도 | N/A | N/A |
Full data for each star: 알니타크 · 민타카
Key differences
Key Differences
- ◆ Both are O-type stars in Orion's Belt, but Alnitak is the eastern star and Mintaka the western.
- ◆ Alnitak is the brightest O-type star in the night sky; Mintaka lies almost exactly on the celestial equator.
- ◆ Alnitak is near the Horsehead Nebula and Flame Nebula which it illuminates with its intense UV radiation.
- ◆ Both are multiple star systems containing O-type primaries.
- ◆ Alnitak is somewhat more massive and more distant than Mintaka.