투반
11Alp Dra
투반 is a A-type (White) star. It carries the designation 11Alp Dra.
Located approximately 303.1 light-years from Earth, 투반 resides within the broader disk of our Milky Way galaxy.
투반 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
At an apparent magnitude of +3.67, 투반 is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue hue, which corresponds to a B-V color index of -0.049.
물리적 특성
| 분광형 | Class A — A-type (White) |
| 색지수 (B−V) | -0.049 |
관측
| 겉보기 등급 | +3.67 |
| 절대 등급 | -1.17 |
| 거리 | 303 ly |
위치
| 적경 | 14h 4.39m |
| 적위 | 64° 22.55′ |
자주 묻는 질문
What type of star is 투반?
투반 is a Class A — A-type (White) star.
How far is 투반 from Earth?
투반 is approximately 303.1 light-years from Earth.
Can you see 투반 with the naked eye?
With an apparent magnitude of 3.67, 투반 is visible to the naked eye.