21 Vul
21 Vul
21 Vul is a A-type (White) star. It carries the designation 21 Vul.
Located approximately 297.3 light-years from Earth, 21 Vul resides within the broader disk of our Milky Way galaxy.
21 Vul is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.19, 21 Vul sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.191.
물리적 특성
| 분광형 | A Class A — A-type (White) |
| 색지수 (B−V) | 0.191 |
관측
| 겉보기 등급 | +5.19 |
| 절대 등급 | 0.39 |
| 거리 | 297 ly |
위치
| 적경 | 20h 14.24m |
| 적위 | 28° 41.69′ |
Frequently Asked Questions
What type of star is 21 Vul?
21 Vul is a Class A — A-type (White) star.
How far is 21 Vul from Earth?
21 Vul is approximately 297.3 light-years from Earth.
Can you see 21 Vul with the naked eye?
With an apparent magnitude of 5.19, 21 Vul is visible to the naked eye.