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Figure 1: OM UVW1 light curve ( upper panel; bin size 300 s), EPIC PN X-ray light curve ( medium panel), and X-ray hardness ratio defined as ratio between the rates in the bands 0.2-1.0 and 1.0-10.0 keV ( lower panel; both with bin size 1000 s). |
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Figure 2: EPIC PN spectrum of BP Tau (quiescent phase; lower black points) in comparison to the EPIC PN spectrum of TW Hya (upper, red/grey points). |
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Figure 3: Comparison of instrumental background subtracted RGS2 spectra of TW Hya and BP Tau with line identifications. |
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Figure 4: RGS spectrum BP Tau: O VII triplet region with best fit model. |
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