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-  <title>Home</title>
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-  <link rel="stylesheet" type="text/css" media="screen,print" href="ctatools.css">
+<html><head>
+<meta content="text/html; charset=ISO-8859-1" http-equiv="content-type"><title>Home</title>
 
+<link rel="stylesheet" type="text/css" media="screen,print" href="ctatools.css">
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-
 <p class="Header">ctatools</p>
-
 <p style="padding-top: 0pt; text-align: left;" class="Body">ctatools
 are a set of ftools-like executables needed for the scientific analysis
-of Cherenkov Telescope Array data.
-</p>
-
+of Cherenkov Telescope Array data. ctatools is also a Python module
+that allows for interactive data analysis and building of analysis
+scripts and pipelines. ctatools includes also an observation simulator
+to enable the scientific simulation of future CTA observations.</p>
 <br>
-
+<p style="padding-top: 0pt; text-align: left;" class="Body">ctatools
+are based on <a href="http://gammalib.sourceforge.net/" target="_blank">GammaLib</a>, a versatile toolbox for
+the high-level analysis of astronomical gamma-ray data. Besides CTA,
+GammaLib supports also the analysis of Fermi-LAT data, and extensions
+to support further gamma-ray instruments are planned. This enables a
+simultaneous and coherent multi-instrument analysis of high-energy
+sources in the Universe.</p>
 <br>
-
-</body>
-</html>
+<p style="padding-top: 0pt; text-align: left;" class="Body">ctatools
+and GammaLib is free software distributed under the <a href="http://www.gnu.org/licenses/gpl.html" target="_blank">GPL
+license version 3</a>. </p>
+<br>
+<table style="width: 100%; text-align: left; margin-left: auto; margin-right: auto;" border="0" cellpadding="2" cellspacing="2">
+<tbody>
+<tr>
+<td style="text-align: center;"></td>
+<td style="text-align: center; width: 600px;" class="Body"><img style="width: 600px; height: 498px;" alt="Example simulation" src="images/example_survey.jpg"><br>
+Simulation
+of galactic plane scan, composed of 10 half-hour observations, spaced
+by
+2° in Galactic longitude. A single point source with Crab spectrum was
+simulated at the Galactic centre. The top panel shows the model, the
+bottom panel the simulated data.</td>
+<td style="text-align: center;"></td>
+</tr>
+</tbody>
+</table>
+<br>
+</body></html>
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