How far is Scorpio from the earth?

The stars in Scorpio are different from the earth, and the alpha star in Scorpio. China, also known as the fire in ancient times, is the heart of the oriental black dragon for seven nights, which is used to determine the seasons. The15th bright star in the whole day is a visual binary star with apparent magnitude 1.2, etc. The red giant star of M 1I is 6000 times brighter than the sun, and the companion star is a blue dwarf star with brightness of 5.4. The angular distance between the two stars is 3 ". The synthetic magnitude is 0.96 and the absolute magnitude is -4.7. 440 light years away.