The planet was tentatively identified by a Canadian team of astronomers, which was led by Bruce Campbell, Gordon Walker, and Stephenson Yang, while its existence was also announced by Anthony Lawton and P. Wright in 1989.
=== Обнаружение ===Впервые внесолнечная планета была найдена у звезды "Гамма Цефея A" канадскими астрономами Кэмпбеллом (Bruce Campbell), Уолкером (Gordon Walker) и Янгом (Stephenson Yang) в 1988 году.