Fig. 15

Chandra LETG/HRC-S spectrum in August 2007, excluding the flares (black line and gray data points), fit with the TBabs, TMAF atmosphere model 003 (green), and VAPEC plasma model (red) with free C, N and O abundances. The total model is shown in blue. Best fits are obtained for an atmosphere temperature around 6.8 × 105 K and a plasma temperature around 0.1 keV.
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