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Altair, Alpha Aquilae, is a white main sequence star located at a distance of 16.73 light years from Earth in the constellation Aquila, the Eagle. With an apparent magnitude of 0.76, it is the brightest star in Aquila and the 12th brightest star in the sky. At a distance of 16.73 light years, Altair is one of the nearest stars to Earth visible to the naked eye. It's companions in the Summer Triangle are Deneb and Vega.
Altair,即天琴座α星,是一颗白色主序星,距离地球16.73光年,位于天琴座,即鹰的星座中。它的视星等为0.76,是天琴座中最亮的星,也是天空中第12亮的星。在16.73光年的距离下,Altair是地球附近可见的恒星之一。它在夏季三角形中的伴星是Deneb和Vega。 |