All Figures

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{Fh151_f1.eps} \end{figure}$ Figure 1: The radial profiles of HI emission convolved with the ISOPHOT PSF (solid line) and of $200~{\mu}$ m FIR emission (symbols) sampled at intervals of 18 arcsec. The negative radii correspond to the southern side of the galaxy and the galaxy was scanned at 60 degrees with respect to the major axis. The units of the FIR profile are W/Hz/pixel, multiplied with a factor of $2\times 10^{-22}$ and the error bars are smaller than the symbols. The horizontal bar delineates the FWHM of the ISOPHOT PSF of 93 $^{\prime \prime }$ . The vertical arrows indicate the maximum extent of the optically emitting disk. The dotted line represents a modified HI profile obtained in the southern side from the original one by cutting off its emission at the edge of the optical disk and by convolving it with the ISOPHOT PSF.
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In the text

$\begin{figure} \par\includegraphics[width=8.3cm,clip]{Fh151_f2a.eps}\par\includegraphics[width=8.2cm,,clip]{Fh151_f2b.eps} \end{figure}$ Figure 2: Top panel: The radial profile of the ratio of the 200 ${\mu }$ m and HI emission. Again the vertical arrows indicate the maximum extent of the optically emitting disk and the horizontal bar delineates the FWHM of the ISO PSF of 93 $^{\prime \prime }$ . Bottom panel: The radial colour profile F200/F170.
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In the text

$\begin{figure} \par\includegraphics[width=8.3cm,clip]{Fh151_f2a.eps}\par\includegraphics[width=8.2cm,,clip]{Fh151_f2b.eps} \end{figure}$	Figure 2: Top panel: The radial profile of the ratio of the 200 ${\mu }$ m and HI emission. Again the vertical arrows indicate the maximum extent of the optically emitting disk and the horizontal bar delineates the FWHM of the ISO PSF of 93 $^{\prime \prime }$ . Bottom panel: The radial colour profile F200/F170.
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