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.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม A Class A — A-type (White)
ดัชนีสี (B−V) 0.191

การสังเกต

โชติมาตรปรากฏ +5.19
โชติมาตรสัมบูรณ์ 0.39
ระยะทาง 297 ly

ตำแหน่ง

ไรต์แอสเซนชัน 20h 14.24m
เดคลิเนชัน 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.