What constellation is 65438+February 25th?

Capricorn? (Date of birth: 65438+February 22nd-65438+1October 65438+September)

Capricorn is one of the zodiac signs, with an area of about 4 13.947 square degrees, accounting for about 1.003% of the whole day, ranking 40th among the 88 constellations in the whole day. Capricorn has 3 1 stars brighter than 5.5, the brightest star is barrier array 4 (Capricorn δ), and the apparent magnitude is 2.8 1. On the night of August 8 every year, the Capricorn Center falls from the sky.

Features—

Although there are no bright stars in this southern constellation, its outline is quite clear, forming an inverted triangle structure, which is easy to distinguish in the dark night. For astronomy enthusiasts, there are not many interesting stars in Capricorn, and the galaxies in this area are also very weak and insignificant. Capricorn has a globular cluster M30 in the messier objects.

Extended data:

1, the origin of the constellation

Capricorn forms an inverted triangle structure, which is easy to distinguish in the dark night. For astronomy enthusiasts, there are not many interesting stars in Capricorn, and the galaxies in this area are also very weak and insignificant. Capricorn has a globular cluster M30 in the messier objects. Although there is only one bright star in the zodiac, the outline is quite clear. But sometimes you can't see it.

2. Important main star

Capricorn α: This is a binary star visible to the naked eye, which can be seen more clearly with binoculars. It is an optical binary star, and the two sub-stars are not physically connected, but because the two stars are in the same direction, it gives people the impression that the two stars are together.

If you look through a telescope, you will find that each sub-star is a binary star. α 1 consists of two stars with magnitudes of +4 and +9 respectively, and the two sub-stars are 45 arc seconds apart. α2 is more difficult to observe, and its two sub-stars are +3.5 and+1 1 respectively, which are about 6.6 arc seconds apart.

Baidu encyclopedia-Capricorn