About HD 219631
HD 219631 is a trash star. It lies about 472.7 light-years from Earth, sits in the constellation Tuc, shines at apparent magnitude 6.74 and has spectral type K1IIICN....
Its spectrum reads K1IIICN... — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.