Online Material
Table 1: Description of the data sets.
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f13.ps}
\end{figure}](img110.png) |
Figure 13: As in Fig. 7 for NGC 1987. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f14.ps}
\end{figure}](img111.png) |
Figure 14: As in Fig. 7 for NGC 2108. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f15.ps}
\end{figure}](img112.png) |
Figure 15: As in Fig. 7 for HODGE 7. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f16.ps}
\end{figure}](img113.png) |
Figure 16: As in Fig. 7 for NGC 1852. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f17.ps}
\end{figure}](img114.png) |
Figure 17: As in Fig. 7 for NGC 1917. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f18.ps}
\end{figure}](img115.png) |
Figure 18: As in Fig. 7 for NGC 2154. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f19.ps}
\end{figure}](img116.png) |
Figure 19: As in Fig. 7 for IC 2146. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f20.ps}
\end{figure}](img117.png) |
Figure 20: As in Fig. 7 for NGC 1644. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f21.ps}
\end{figure}](img118.png) |
Figure 21: As in Fig. 7 for NGC 1652. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f22.ps}
\end{figure}](img119.png) |
Figure 22: As in Fig. 7 for NGC 1795. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=8.75cm]{0870f23.ps}
\end{figure}](img120.png) |
Figure 23: As in Fig. 7 for NGC 1978. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=18cm]{0870f32.ps}
\end{figure}](img121.png) |
Figure 32: As in Fig. 31 for NGC 1846, NGC 1806, and NGC 1751. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=17cm,clip]{0870f33.ps}
\end{figure}](img122.png) |
Figure 33: As in Fig. 31 for NGC 1987, NGC 2108 and ESO057-SC075. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=17cm,clip]{0870f34.ps}
\end{figure}](img123.png) |
Figure 34: As in Fig. 31 for NGC 1783 and NGC 1852. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=17cm,clip]{0870f35.ps}
\end{figure}](img124.png) |
Figure 35: As in Fig. 31 for NGC 1975, NGC 1644, and NGC 1652. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=18cm]{0870f36.ps}
\end{figure}](img125.png) |
Figure 36: As in Fig. 31 for NGC 1978 and IC 2146. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=17cm,clip]{0870f38.ps}
\end{figure}](img126.png) |
Figure 38: As in Fig. 37 for NGC 1652, NGC 1644, NGC 1917, HODGE7, NGC 1852, and NGC 2154. |
| Open with DEXTER | |
![\begin{figure}
\par\includegraphics[width=17cm,clip]{0870f39.ps}
\end{figure}](img127.png) |
Figure 39: As in Fig. 37 for IC 2146, NGC 2108, NGC 1978, and NGC 1795. |
| Open with DEXTER | |