Eltanin

33Gam Dra

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An orange K-type giant with a pronounced colour index of 1.521, Eltanin is the brightest star of Draco, the Dragon, despite carrying only the Gamma designation of that sprawling northern constellation. It lies about 154 light-years away and shines at apparent magnitude 2.24. Its absolute magnitude of −1.13 marks a genuine luminosity above the solar norm, the light of an evolved giant whose cooler surface gives it its distinctly orange colour. As the leading light of the Dragon, Eltanin is the principal naked-eye star marking the head of Draco, a region that winds through the northern sky between the two Bears.

Đặc tính vật lý

Phân Loại Quang Phổ K Class K — K-type (Orange)
Chỉ số màu (B−V) 1,521

Quan sát

Cấp Sao Biểu Kiến +2.24
Cấp Sao Tuyệt Đối -1,13
Khoảng Cách 154 ly

Vị trí

Xích kinh 17h 56,61m
Xích vĩ 51° 29,33′

Frequently Asked Questions

What type of star is Eltanin?
Eltanin is a Class K — K-type (Orange) star.
How far is Eltanin from Earth?
Eltanin is approximately 154.3 light-years from Earth.
Can you see Eltanin with the naked eye?
With an apparent magnitude of 2.24, Eltanin is visible to the naked eye.