25 Her

25 Her

25 Her is a A-type (White) star located in the constellation Hercules. It carries the designation 25 Her.

Located approximately 242.9 light-years from Earth, 25 Her resides within the broader disk of our Milky Way galaxy.

25 Her is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.

With an apparent magnitude of +5.53, 25 Her 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 +0.174.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม A Class A — A-type (White)
ดัชนีสี (B−V) 0.174

การสังเกต

โชติมาตรปรากฏ +5.53
โชติมาตรสัมบูรณ์ 1.17
ระยะทาง 243 ly
กลุ่มดาว Hercules

ตำแหน่ง

ไรต์แอสเซนชัน 16h 25.40m
เดคลิเนชัน 37° 23.64′

Frequently Asked Questions

What type of star is 25 Her?
25 Her is a Class A — A-type (White) star.
How far is 25 Her from Earth?
25 Her is approximately 242.9 light-years from Earth.
Can you see 25 Her with the naked eye?
With an apparent magnitude of 5.53, 25 Her is visible to the naked eye.
What constellation is 25 Her in?
25 Her is located in the constellation Hercules.