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A Theoretical Domain for Flare Stars in the H–R Diagram


IT has been suggested several times1 that the flare activity observed in flash and U V Ceti stars is of a nature similar to that of solar flares. In this communication I shall adhere to this point of view, which, together with present ideas about the Helmholtz–Kelvin phases of stellar evolution, will permit us to understand, in a simple manner, a number of observations regarding flares in stars.

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POVEDA, A. A Theoretical Domain for Flare Stars in the H–R Diagram. Nature 202, 1319–1321 (1964).

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