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The IUE observation of the active binary II Pegasi = HD 224085

Udalski, A.; Rucinski, S. M.

II Pegasi is a bright single line spectroscopic binary with an orbital period of 6(d).72. Teh visual light curves of the star exhibit asymmetric light variations with the period very close to the orbital one. The shape of these curves changes on a time scale of years. In connection with the interesting properties of II Peg, it was decided to obtai…