**Table 5:** Emission measures, EM, in units of $10^{57}~ {\rm cm}^{-3}$ .
MJD	Phase	N V	Si IV	C IV	Note
44 831	0.506	140	31	22	(1)
		2.8	2.6	1.8	(2)
49 271	0.696		24	21	(1)
			2.0	1.7	(2)

(1) $T_{\rm e}=15~000~ {\rm K}$ ; (2) $g(T)=0.7 g_{\rm max}(T)$ .

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