V381 Cephei, in 1995.

System

V381 Cephei is a visual double star with components A and B separated by 4.6". The primary is HD 203338 and the secondary is the magnitude 9.2 HD 203339.

HD 203338 is itself a spectroscopic binary with components Aa and Ab orbiting every 280 years. It forms a VV Cephei-type binary system with a hot companion which is accreting mass from the primary. The long period means that it exhibits fewer peculiarities than other VV Cephei binaries.

Properties

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