About HD 164741
HD 164741 is a rare star. It lies about 1,842.7 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 9.01 and has spectral type B2Ib/II.
Its spectrum reads B2Ib/II — a blue-white B-type star, with a surface tens of thousands of degrees hot and a life measured in tens of millions of years.