A型主系列星
HD 181342 is a K-type red giant star. It was formerly an A-type main-sequence star, but at an age of 1.56 billion years it has swelled up to a size of 4.55 solar radii. It is currently 1.78 times the mass of the Sun, 16.2 times as luminous, and its surface temperature is 4976 K.