Alioth/Epsilon Ursae Majoris
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- The traditional name Alioth comes from the Arabic alyat (fat tail of a sheep).
Facts:
- It's the brightest star in the Ursa Major Constellation.
- With the Right Ascension being 12h 54m 01.74959s and the Declination being +55° 57′ 35.3627.
- It is visible throughout all year but its at its highest during winter.
- A0pCr being the spectral type and having a temperature of 10,800 K.
- With a color of blue due to the hot temperature.
- It is 82.6 Light years away and 25.3 Parsecs away.
- With a mass of 5.788E30 kg and a diameter of 5,842,200 km makes it far bigger than the Sun.
- It is about 200 million years old.
- It is composed of Helium which makes up a lot of the stars on the Universe.
Apparent and Absolute Magnitude
Apparent Magnitude: 1.77
Absolute Magnitude: -0.22