Fig. 9
Comparison of an XMM-Newton/RGS spectrum of AGN NGC 1068 (dark shades) with U Sco (light shades) and the last 5.5 ks of the March 2003 Chandra observation of V4743 Sgr (thick red line; see Table 2). NGC 1068 contains strong radiative recombination features (RRC; Kinkhabwala et al. 2002). The C v RRC at 31.5 Å can also be seen in V4743 Sgr but not in U Sco. (The concept is the same as described in Fig. 2.)
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