What constellation is September 13 in the solar calendar?

September 13 of Gregorian calendar is Virgo.

Virgo is the sixth house of the zodiac, and its date of birth is from August 23rd to September 22nd. It is located in the east of Leo and west of Libra.

Virgo alpha star, known as "arcturus I" in ancient China, is the first star in the first night of 28 nights (Dragon Horn in the East, two stars). A main bright star in the sky in spring is located at right ascension13h25m1.6s and declination-1 1 9' 40.6 ". The fifteenth bright star shines blue and white all day.

The radius of arcturus is about 7.9 times that of the sun, the visual magnitude is 0.98, and the absolute magnitude is -3.6. The luminosity is 17800 times that of the sun, and the distance is about 275 light years. It is one of the shortest and brightest stars in the thermal sequence. Kakuchi is both a near binary star and a bispectrum binary star.

Follow the big horn, continue south along this curve, and walk for almost the same length, and you will find the horn. Alpha star (Shu Tian, Beidou-1) and gamma star (celestial pole, Beidou-3) connecting Ursa major extend seven or eight times, and Kakuqi can also be found.

Extended data

Date of birth of the twelve constellations:

Aries: March 21~ April 19?

Taurus: April 20th to May 20th?

Gemini: may 2 1 ~ June 21?

Cancer: June 22 to July 22?

Leo: From July 23rd to August 22nd?

Virgo: August 23rd to September 22nd?

Libra: September 23rd ~ 65438+1October 23rd.

Scorpio: 65438+1October 24th ~165438+1October 22nd?

Sagittarius:165438+1October 23rd ~ 65438+February 2nd1?

Capricorn: 65438+February 22 ~ 65438+ 10/9?

Aquarius: 65438+1October 20th to February 18?

Pisces: February19 ~ March 20th.

Baidu Encyclopedia-Virgo