About HD 137603
HD 137603 is a rare star. It lies about 1,874.5 light-years from Earth, sits in the constellation Cir, shines at apparent magnitude 9.74 and has spectral type WC+....
Its spectrum reads WC+... — a Wolf-Rayet star: a stellar monster shedding its own outer layers in a ferocious wind, on its way to a supernova.