The stars featured in the movie and in this chart (and in the book) are real, and reflect their real-world locations. The planets around the stars, aside from

The stars featured in the movie and in this chart (and in the book) are real, and reflect their real-world locations. The planets around the stars, aside from our own solar system (obviously), are fictional-- both Tau Ceti and 40 Eridani are stars where we're looking for exoplanets, but we don't have strong evidence for either yet.