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Fig. 5.
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X-ray luminosities of the stars that were measured by other instruments than ROSAT plotted against LX in NEXXUS2. Two M stars with log(LX/Lbol) > − 3 are annotated with red text and six K stars with log(LX/Lbol) < − 6.5 are annotated with blue text. GJ 643, with the wrongly assigned value in NEXXUS2, is also shown.
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