About HD 133921
HD 133921 is a common star. It lies about 449.9 light-years from Earth, sits in the constellation Aps, shines at apparent magnitude 6.66 and has spectral type K1II/III+...
Its spectrum reads K1II/III+.. — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.