About HD 190104
HD 190104 is a rare star. It lies about 1,655.6 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 7.57 and has spectral type K2/K3III.
Its spectrum reads K2/K3III — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.