Alhena

24Gam Gem

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Alhena is a A-type (White) star located in the constellation Gemini. It carries the designation 24Gam Gem.

Located approximately 109.3 light-years from Earth, Alhena resides within the broader disk of our Milky Way galaxy.

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

Alhena has an apparent magnitude of +1.93, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.001.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม A Class A — A-type (White)
ดัชนีสี (B−V) 0.001

การสังเกต

โชติมาตรปรากฏ +1.93
โชติมาตรสัมบูรณ์ -0.70
ระยะทาง 109 ly
กลุ่มดาว Gemini

ตำแหน่ง

ไรต์แอสเซนชัน 6h 37.71m
เดคลิเนชัน 16° 23.96′

Frequently Asked Questions

What type of star is Alhena?
Alhena is a Class A — A-type (White) star.
How far is Alhena from Earth?
Alhena is approximately 109.3 light-years from Earth.
Can you see Alhena with the naked eye?
With an apparent magnitude of 1.93, Alhena is visible to the naked eye.
What constellation is Alhena in?
Alhena is located in the constellation Gemini.