The Orion belt is the name given to an asterism which belongs to the constellation Orion. This is the alignment of three bright stars that can be seen from planet earth, especially between the months of November and May, which are popularly known under the names of Las Tres Marías or also as the Three Wise Men. This set of stars receives said name by the fact of being located in the area in which it would be located in the middle of the constellation, just where the belt would be available.
The constellation is made up of three main stars in a row as if it were a belt, these are; Mintaka, Alnilam and Alnitak, and all the rest of the stars that make it up resemble a human figure with open arms and the shield is located at the end of one of them. For its part, the legs of the Orion figure are made up of two stars, which are called Saiph and Rigel. The shoulders, also known as the hunter's shoulders, are made up of Betelgeuse and Bellatrix. While in the head Meissa is located. In this way, if the lines between the different stars of Orion come together, the silhouette of a hunter can be formed, with a belt in the middle of his body.
As for the stars of the belt, the star Alnilam is of gigantic dimensions, of hot temperature and with luminosity, it presents a brightness superior to that of the sun between 275,000 and 537,000, being the most distant star of the Orion belt.
Furthermore, Nitak is a set of three stars being one a supergiant colored blue having a temperature hot approximately 29,500 ° Kelvin, another star forming this group is a BOII type or BO.5V which carries out its orbit in a period of approximately 2,687 days.
Por último, Mintaka se encuentra conformada por dos estrellas binarias, una de ellas un gigante azul de gran luminosidad y brillante, con un brillo supera al Sol en 90.000 veces, la segunda estrella del conjunto múltiple conforma una binaria eclipsante y se encuentra dentro de la secuencia principal como una estrella tipo B.
