Merak

48Bet UMa

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Merak is a A-type (White) star located in the constellation Ursa Major. It carries the designation 48Bet UMa.

Located approximately 79.7 light-years from Earth, Merak resides within the broader disk of our Milky Way galaxy.

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

At an apparent magnitude of +2.34, Merak is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.033.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม A Class A — A-type (White)
ดัชนีสี (B−V) 0.033

การสังเกต

โชติมาตรปรากฏ +2.34
โชติมาตรสัมบูรณ์ 0.40
ระยะทาง 79.7 ly
กลุ่มดาว Ursa Major

ตำแหน่ง

ไรต์แอสเซนชัน 11h 1.84m
เดคลิเนชัน 56° 22.95′

Frequently Asked Questions

What type of star is Merak?
Merak is a Class A — A-type (White) star.
How far is Merak from Earth?
Merak is approximately 79.7 light-years from Earth.
Can you see Merak with the naked eye?
With an apparent magnitude of 2.34, Merak is visible to the naked eye.
What constellation is Merak in?
Merak is located in the constellation Ursa Major.