데네브 vs 리겔
In the sky the advantage is 리겔's, +0.18 to +1.25 and some 2.7 times the light. By spectral type the pair divides into an A-type star in Cygnus for 데네브 and a B-type star in Orion for 리겔. Distance divides them sharply — 1,412 light-years to 데네브 against 863 for 리겔.
Property comparison
| Property | 데네브 | 리겔 |
|---|---|---|
| 명칭 | 50Alp Cyg | 19Bet Ori |
| 별자리 | Cygnus | Orion |
| 분광형 | Class A — A-type (White) | Class B — B-type (Blue-White) |
| 겉보기 등급 | +1.25 | +0.18 |
| 절대 등급 | -6.93 | -6.93 |
| 거리 | 1,412 ly | 863 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: 데네브 · 리겔
Key differences
Key Differences
- ◆ Deneb is an A-type white supergiant; Rigel is a B-type blue supergiant.
- ◆ Deneb is the most distant first-magnitude star at ~2,615 light-years; Rigel is about 860 light-years away.
- ◆ Deneb has an intrinsic luminosity of ~196,000 L☉ — one of the most luminous known supergiants.
- ◆ Both form vertices of famous asterisms: Deneb in the Summer Triangle, Rigel at Orion's foot.
- ◆ Rigel's mass is slightly higher at ~21 M☉ versus Deneb's ~19 M☉.