red variables

red variables

The large group of variable stars, including Mira stars and irregular variables, that lie in the top right of the Hertzsprung–Russell diagram of pulsating variables.
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One of the red variables should even be in binocular view during July.
Like all long-period red variables, Mira is shedding a lot of material into space: an Earth mass about every eight years.
Among these stars are many eclipsing binaries, Cepheid variables, and semiregular red variables, as well as a few long-period stars of the Mira type and the recurrent nova T Coronae Borealis.