On the recent brightening of η Carinae ?

Abstract

We report and discuss the steady brightening of η Carinae, and conclude that this brightening is not an eruption , but an expected LBV S-Doradus phase which, typically, displays intense brightening coupled to strong reddening when the star moves redwards in the H-R diagram. The brightness gradient amounts to-0. m 15 y −1 over the last two years. 

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