Up: Characteristic properties of peaks

4 Results

The distribitions of the peak areas, peak amplitudes and the rise times and fall times are presented in Figs. 2-4. The peak area is quite compatible with a lognormal distribution as shown in Fig. 2.

$\begin{figure} \rotatebox {-90}{\resizebox{6cm}{!}{\includegraphics*{R48f2.eps}}} \end{figure}$

Figure 2: Distribution of areas under the peaks in brightest 200 GRBs from the BATSE 4th catalog. The dashed line is a good lognormal fit to the distribution

$\begin{figure} \rotatebox {-90}{\resizebox{5.8cm}{!}{\includegraphics*{R48f3.eps}}} \end{figure}$

Figure 3: Distribution of peak amplitudes in brightest 200 GRBs

$\begin{figure} \rotatebox {-90}{\resizebox{5.8cm}{!}{\includegraphics*{R48f4.eps}}} \end{figure}$

Figure 4: Distribution of rise (solid) and fall (dotted) times for the peaks in brightest 200 GRBs. The cutoff at short timescales is due to the 64 millisecond time resolution of BATSE

Up: Characteristic properties of peaks