On the nature of the photometric variability of the luminous blue variable P Cygni.
P Cygni is one of the most luminous variable stars in our Galaxy. It is the only luminous blue variable which does not show photometric variability on a scale of 1 - 2m. In this paper a possible interpretation of the small-scale photometric variability of ΔV ≍ 0.2m for this peculiar supergiant is discussed.
Israelian, G.
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1996