There are three stars in the sky on the same straight line. What are their names?

This is Orion, a famous constellation in the winter sky.

Orion is the most magnificent constellation in the whole day and one of the zodiac constellations.

The three stars Δ, ε and ζ in the middle of Orion are very high in the southern sky, so there is a folk saying that "the three stars are shining high and the New Year is coming".

These three stars are longevity, good luck and? Star.