What constellation does Altair belong to and how big is it?

When it comes to Altair, everyone will think of the story of Altair and Weaver Girl, but it also comes from two stars. The connection between Altair and Vega, the beta and gamma stars in Altair and Eagle all point to Vega. So what constellation does Altair belong to? Let's have a look!

What constellation does Altair belong to? hawk

How big is Altair? The diameter of Altair is 1.6 times that of the sun.

Characteristics of Altair: Altair is a star, which is 16.7 light years away from the earth. It is one of the brightest stars in the sky in summer and autumn, and its whole body is silvery white. Its luminous and heating ability is very strong, and its brightness is 9 times that of the sun.

Altair is hotter and younger than the sun. The rotation speed of Altair equatorial region is as high as 654.38+0.27 million kilometers per hour, which is about 60 times that of the sun. Therefore, Altair is not a nearly perfect sphere like the sun, and its "waist circumference" is obviously enlarged and becomes a flat ellipsoid.

Introduction to Aquila Aquila is one of the zodiac signs. Located in the south of Lyra and the north of Sagittarius, most of them are in the Milky Way. There are 87 stars in the constellation whose visual magnitude is brighter than 6, of which 13 is brighter than 4. In China's traditional star officials, it is equivalent to the river drum, the eagle right flag, the sky fork, the sky bowl, etc.

[Right ascension of aquila]: 18h4 1m ~ 20h [declination of aquila]:-11.9 ~+18.7 [brightest star of aquila]: alpha aquila (Altair)

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