$\begin{figure} \par\includegraphics[width=8.8cm,clip]{2025fig1.eps}\end{figure}$ Figure 1: Log $gf_{\rm V}$ plotted against Log $gf_{\rm L}$ for transitions between calculated energy levels.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{2025fig2.eps}\end{figure}$ Figure 2: Collision strengths for the Ni IV ion for transitions within the 3d⁷ configuration: a) $\rm ^4F_{9/2}$ - $^2\rm G_{9/2}$ ; b) $\rm ^4F_{5/2}$ -² $\rm G_{7/2}$ ; c) $\rm ^4F_{7/2}$ -² $\rm G_{9/2}$ ; d) $\rm ^4F_{7/2}$ -⁴ $\rm P_{5/2}$ ; e) $\rm ^4F_{5/2}$ -⁴ $\rm P_{3/2}$ .
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{2025fig4.eps} \end{figure}$ Figure 4: Emissivity line ratios vs. Log $~N_{\rm e}$ for various temperatures. The horizontal lines indicate the observed ratios in the spectra of Mz 3 (Zhang & Liu 2002).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{2025fig1.eps}\end{figure}$	Figure 1: Log $gf_{\rm V}$ plotted against Log $gf_{\rm L}$ for transitions between calculated energy levels.
Open with DEXTER

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{2025fig2.eps}\end{figure}$	Figure 2: Collision strengths for the Ni IV ion for transitions within the 3d⁷ configuration: a) $\rm ^4F_{9/2}$ - $^2\rm G_{9/2}$ ; b) $\rm ^4F_{5/2}$ -² $\rm G_{7/2}$ ; c) $\rm ^4F_{7/2}$ -² $\rm G_{9/2}$ ; d) $\rm ^4F_{7/2}$ -⁴ $\rm P_{5/2}$ ; e) $\rm ^4F_{5/2}$ -⁴ $\rm P_{3/2}$ .
Open with DEXTER

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{2025fig3.eps} \end{figure}$	Figure 3: Effective collision strengths for the Ni IV ion for the same transitions as in Fig. 2.
Open with DEXTER

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{2025fig4.eps} \end{figure}$	Figure 4: Emissivity line ratios vs. Log $~N_{\rm e}$ for various temperatures. The horizontal lines indicate the observed ratios in the spectra of Mz 3 (Zhang & Liu 2002).
Open with DEXTER