Which constellation is Altair in?

What constellation does Altair belong to?

What constellation does Altair belong to? Altair belongs to eagle. Heji, namely Altair and Altair, is also called Altair or General, and Yanxing is its Japanese name. According to astronomers' observation of the starry sky, Altair is a corner of the summer triangle, and its connection with the B and Y stars of Aquila points to Vega.

Which constellation is Altair?

Altair (Altair)

Altair: Eagle.

It is a very famous bright star in the sky in summer and autumn, and it is silvery white. Distance to Earth 16. 7 light years, its diameter is 1 of the diameter of the sun. 6 times, the surface temperature is about 7000℃, and the 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.

Altair's apparent magnitude is 0. 77m is the brightest star 12 in the whole day. It and Aquila? 、? The connecting line of the stars points to Vega, which was put by China in ancient times? 、? The stars are regarded as two children carried by the cowherd on a pole, struggling to catch up with the Weaver Girl. Unfortunately, the cruel queen mother tore off the golden hairpin on her head and welcomed the sky with one move. In an instant, a Tianhe fell from the sky, which almost separated the two lovers forever. Legend has it that their experience touched God, and they were allowed to meet once a year on the seventh day of July. Every day, all the magpies in the world come to the edge of the Milky Way and build a magpie bridge for the couple to cross the river.

According to ancient legends, July 7th is the day when the Cowherd and the Weaver Girl meet, but in fact, with the distance between the Cowherd and the Weaver Girl of 16 light years, it will take a long time to meet. On July 7th every year, half a moon floats near the Milky Way, and the moonlight and the Milky Way merge into one, so that we can't see the Milky Way. People think that at this time Tianhe disappears and the cowherd and the weaver girl meet!

Characteristics of Altair

Altair is a star, 6.7 light years away from the Earth/kloc-0. 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, unlike the sun, Altair is not a nearly perfect sphere, and its waistline is obviously enlarged and becomes a flat ellipsoid.

Introduction to aquila

Eagle 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 the traditional star officials in China, it is equivalent to the river drum, the right flag of Eagle, the fork of heaven and the bowl of heaven.