About HR 8420
HR 8420 is a trash star. It lies about 446.8 light-years from Earth, sits in the constellation Oct, shines at apparent magnitude 6.54 and has spectral type K2IIICN....
Its spectrum reads K2IIICN... — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.