$\begin{figure} \par\includegraphics[angle=-90,width=7cm,clip]{4305fi1a.ps}\hspac... ...space*{3mm} \includegraphics[angle=-90,width=7cm,clip]{4305fi1f.ps} \end{figure}$ Figure 1: Crab phase histograms in six energy bands in absolute phase (the main radio pulse at phase 0.0). The light curves have different phase resolution according to the statistics available and to the time resolution of the instrument. P1, P2 and Ip phase intervals according to the definition given in Mineo et al. (1997) are indicated in the top left panel.
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In the text

$\begin{figure} \par\includegraphics[angle=-90,width=7.5cm,clip]{4305fi2a.ps}\par... ...ace*{2mm} \includegraphics[angle=-90,width=7.5cm,clip]{4305fi2c.ps} \end{figure}$ Figure 2: Spectral index vs. phase measured by JEM-X in the energy range 3-20 keV ( top panel), IBIS/ISGRI in the energy range 20-500 keV ( middle panel) and SPI in the energy range 40-200 keV ( bottom panel).
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In the text

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{4305fig4.ps} \end{figure}$ Figure 4: Frequency histogram of the reduced $\chi ^2$ for 256 d.o.f. obtained fitting simultaneously JEM-X2 and IBIS/ISGRI spectra with a single power law ( top panel) and with the curved model of Eq. (1).
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In the text

$\begin{figure} \par\includegraphics[width=8cm,clip]{4305fig5.ps} \end{figure}$ Figure 5: Best fit parameters a and b measured fitting simultaneously JEM-X2 and IBIS/ISGRI with the curved model of Eq. (1) vs. phase.
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In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8.1cm,clip]{4305fa1a.ps}\hspace*{3mm} \includegraphics[angle=-90,width=8.1cm,clip]{4305fa1b.ps} \end{figure}$ Figure A.1: ISGRI effective area vs. energy for the standard software ( left panel) and for the A.S. version ( right panel). Features in the range 30-40 keV are due to CdTe absorption edges.

In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8cm,clip]{4305fa2a.ps}\hspace*{3mm} \includegraphics[angle=-90,width=8cm,clip]{4305fa2b.ps} \end{figure}$ Figure A.2: Left panel: residuals of the power law fit of the Crab spectrum obtained processing ISGRI data with the standard LUT2 and effective area. Right panel: residuals of the power law fit of the Crab spectrum obtained processing ISGRI data with the A.S. LUT2 and effective area.

In the text

$\begin{figure} \par\includegraphics[angle=-90,width=7cm,clip]{4305fi1a.ps}\hspac... ...space*{3mm} \includegraphics[angle=-90,width=7cm,clip]{4305fi1f.ps} \end{figure}$	Figure 1: Crab phase histograms in six energy bands in absolute phase (the main radio pulse at phase 0.0). The light curves have different phase resolution according to the statistics available and to the time resolution of the instrument. P1, P2 and Ip phase intervals according to the definition given in Mineo et al. (1997) are indicated in the top left panel.
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$\begin{figure} \par\includegraphics[angle=-90,width=7.5cm,clip]{4305fi2a.ps}\par... ...ace*{2mm} \includegraphics[angle=-90,width=7.5cm,clip]{4305fi2c.ps} \end{figure}$	Figure 2: Spectral index vs. phase measured by JEM-X in the energy range 3-20 keV ( top panel), IBIS/ISGRI in the energy range 20-500 keV ( middle panel) and SPI in the energy range 40-200 keV ( bottom panel).
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$\begin{figure} \par\includegraphics[angle=-90,width=8.3cm,clip]{4305fi3a.ps}\par... ...ace*{2mm} \includegraphics[angle=-90,width=8.3cm,clip]{4305fi3c.ps} \end{figure}$	Figure 3: JEM-X, IBIS/ISGRI and SPI spectrum of the phase interval 0.99-1.00 fitted with a single power law.
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$\begin{figure} \par\includegraphics[width=7.8cm,clip]{4305fig4.ps} \end{figure}$	Figure 4: Frequency histogram of the reduced $\chi ^2$ for 256 d.o.f. obtained fitting simultaneously JEM-X2 and IBIS/ISGRI spectra with a single power law ( top panel) and with the curved model of Eq. (1).
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$\begin{figure} \par\includegraphics[width=8cm,clip]{4305fig5.ps} \end{figure}$	Figure 5: Best fit parameters a and b measured fitting simultaneously JEM-X2 and IBIS/ISGRI with the curved model of Eq. (1) vs. phase.
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