AQUILA

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Altair in the Aquila constellation.

Aqula is a medium-sized constellation, and spreads over 650 square degrees of sky. This makes it the 22nd largest constellation in the night sky. The name Aquila in Latin means “Eagle”. This beautiful summer constellation is not hard to find in the sky. The stellar summer triangle is made up of Deneb, Vega and Aqula’s star Altair. There are beautiful deep space objects in this constellation, but Aqula does not contain Messier objects. Of course, Altair is the brightest star in this constellation. And not only that. With a seemingly magnitude of 0.75, Altair is one of the brightest stars in the sky. Spectrally, this is the white Sun, and it is 16.75 light-years from Earth. The characteristic of the Altair star is that it rotates quickly around its axis. Make one turn in 6.5 hours, and that’s a very high rotation speed.

Bright stars

Beta Aquilae has an apparent magnitude of 3.77 and is four times brighter than the Sun. It is 40 light-years from Earth, and Beta Aquilae is visually a binary star. The red dwarf is 300 times less bright than the Sun. It’s hard to see him. The changing star Eta Aquilae is one of the brightest cepheids. Over 7 days, it changes brightness from 4.5 to 3.7 apparent magnitude. When it is brightest, it is 4000 times brighter than the Sun. The Aqula gamma has an apparent magnitude of 2.65, and is also called Tarazed. It is approximately 300 light-years from Earth.

Nice Aquila constellation
Aquila-constellation

 

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19.6.2021