About HD 136223
HD 136223 is a trash star. It lies about 682.3 light-years from Earth, sits in the constellation Lup, shines at apparent magnitude 8.25 and has spectral type K0IIICN....
Its spectrum reads K0IIICN... — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.