The Catechism in Questions & Answers

125. What occurred at the same time as the birth of Jesus?

Angels appeared and proclaimed the glad tidings to shepherds who were watching their flocks in a field near Bethlehem: “For there is born to you this day in the city of David a Saviour, who is Christ the Lord” (Luke 2: 11; cf. also Micah 5: 2).
The gospel of Matthew relates that there was also a star which announced the birth of Jesus. Wise men (magi) from “the East” (the orient) had followed the star and come to Jerusalem in order to worship the “new born King”: “Where is He who has been born King of the Jews? For we have seen His star in the East and have come to worship Him” (Matthew 2: 2). They were sent by King Herod to Bethlehem: “And behold, the star which they had seen in the East went before them, till it came and stood over where the young Child was” (Matthew 2: 9).
These events refer to the uniqueness of the birth of the Son of God.

Scholars from the Orient who occupied themselves with interpreting stars and dreams were described as ‘Magi’.