What constellation is Altair and what are its characteristics?

What constellation is the cowherd? What are the characteristics of cowherd? When it comes to cowherd, everyone should think of the story of cowherd and weaver girl, but there should be many friends who don't know what cowherd is, so Bian Xiao will show you what cowherd is. What are the characteristics?

What constellation is Altair?

Tianying constellation

How big is Altair?

The diameter of Altair is 1.6 times that of the sun.

The characteristics of Altair:

Altair is a star 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. It has strong luminous and heating ability, and its brightness is 9 times that of the sun.

Altair is hotter and younger than the sun. The rotation speed of Altair at the equator reaches 654.38+0.027 million kilometers per hour, which is about 60 times that of the sun. Therefore, Altair is not a nearly perfect sphere like the sun. Its "waist circumference" is obviously a circle and becomes a flat ellipsoid.

Introduction to Aquila

Aquila is one of the equatorial constellations. Located in the south of Lyra and north of Sagittarius, most of them are in the Milky Way. There are 87 stars with internal apparent magnitude greater than 6, of which 13 is greater than 4. In China's traditional star officials, it is equivalent to the river drum, the eagle's right flag, the celestial fork and the celestial pole.

[Right ascension of the Eagle]: 18 hrs 4 1 m ~20 hrs

[declination of Aquila]:-11.9 ~18.7

The brightest star in aquila: aquila.

[Eagle meteor shower]: June eagle, eagle.

Adjacent constellations of the eagle: Sagittarius, Five Immortals, Ophiuchus, Hydra, SHIELD, Sagittarius, Capricorn, Aquarius and Dolphin.

Best observation time: August

[Optimum observation latitude]: 85 and 75.

Brightest magnitude: 0.77

[Fully viewable area ]: 78 N-765438 S+0

That's what Altair shared today. What are its characteristics? I hope it helps you.