About HD 109131
HD 109131 is a trash star. It lies about 809.3 light-years from Earth, sits in the constellation Crv, shines at apparent magnitude 8.2 and has spectral type K2IIICNvar.
Its spectrum reads K2IIICNvar — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.