About HD 210780
HD 210780 is a trash star. It lies about 548.2 light-years from Earth, sits in the constellation Aqr, shines at apparent magnitude 8.34 and has spectral type B9.5/A0V.
Its spectrum reads B9.5/A0V — 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.