Fig. 2

Observed X-ray luminosity of TYC8241 2652 1 is constant since 1991 with measurements before 1995 performed by ROSAT and the new measurement we report on here performed by Chandra in 2014. The low signal-to-noise detections achieved by the XMM-Newton slew survey from 2003 to 2010, indicated with dashed lines, are roughly consistent in luminosity with previous and later X-ray observations.
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