Online Material

$\begin{figure}{ \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159... ...raphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_6.eps} }\end{figure}$

Figure 1: H $\alpha$ +[NII] (grey) and red continuum (contour) (both in arbitrary scales) images of the Virgo cluster galaxies.

$\begin{figure}\par { \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{M... ...aphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_12.eps} }\end{figure}$

Figure 3: continued.

$\begin{figure}\par { \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{M... ...aphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_18.eps} }\end{figure}$

Figure 3: continued.

$\begin{figure}{ \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159... ...aphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_24.eps} }\end{figure}$

Figure 1: continued.

$\begin{figure}{ \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159... ...aphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_30.eps} }\end{figure}$

Figure 1: continued.

$\begin{figure}\par { \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{M... ...aphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_36.eps} }\end{figure}$

Figure 1: continued.

$\begin{figure}{ \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159... ...aphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_42.eps} }\end{figure}$

Figure 1: continued.

$\begin{figure}{ \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159... ...aphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_47.eps} }\end{figure}$

Figure 1: continued.

$\begin{figure}\par { \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{M... ...aphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_53.eps} }\end{figure}$

Figure 1: continued.

$\begin{figure}\par { \includegraphics[height=7.5cm,viewport=10 1 530 501,clip]{M... ...aphics[height=7.5cm,viewport=10 1 530 501,clip]{MS2159f1_57.eps} }\end{figure}$

Figure 1: continued.

Up: H surface photometry of