About HR 7798
HR 7798 is a common star. It lies about 405.2 light-years from Earth, sits in the constellation Cyg, shines at apparent magnitude 5.58 and has spectral type K0IIIvar.
Its spectrum reads K0IIIvar — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.