Fig. 1.
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Two GPs with X-ray detections from XMM-Newton (J1330-0043 and J0035+0431). Left panels: SDSS and XMM-Newton image cutouts. Right panels: LAMOST spectra. The black lines mark flux-calibrated spectra, the orange curves the spectra smoothed with a Gaussian kernel standard deviation of 3 pixels, and the gray-shaded regions the flux error.
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