Which constellation is Altair in?

Altair is located in the constellation Eagle.

Scientific name: Alpha Star of Aquila: Hegu Erquan Star, the brightest star at 1 1 except the sun, with an apparent magnitude of 0.77 and an absolute magnitude of 2.3.

Hegu II is the alpha star of Skyhawk, commonly known as "Altair". It is a very famous bright star in the sky in summer and autumn, and it is silvery white. It is 16.7 light years away from the earth, with a diameter of10.6 times that of the sun, a surface temperature of about 7000℃, and its luminous power is 8 times greater than that of the sun. It faces Vega across the Milky Way. According to an ancient legend, the Cowherd and the Weaver Girl met at the Magpie Bridge on July 7th. In fact, the Cowherd and the Weaver Girl are 14 light years apart. Even on the most powerful rocket in modern times, they never met after hundreds of years. The two dark stars on both sides of Altair are Altair's two sons-Heguyi and Heguyi. Legend has it that Cowherd and his two sons chased Weaver Girl on a pole.