About HD 19544
HD 19544 is a trash star. It lies about 449.9 light-years from Earth, sits in the constellation Eri, shines at apparent magnitude 9.32 and has spectral type K1/K2III+...
Its spectrum reads K1/K2III+.. — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.