ctlike.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html lang="en"><head>
<meta content="text/html; charset=ISO-8859-1" http-equiv="content-type"><title>ctlike</title>
<link rel="stylesheet" type="text/css" media="screen,print" href="../ctatools.css">
<meta content="Jurgen Knodlseder" name="author">
<meta content="CTA maximum likelihood fitting tool" name="description"></head>
<body>
<p class="Header">ctlike</p>
<p class="Body">Performs binned and unbinned maximum
likelihood analysis of CTA data.</p>
<br>
<p class="Title">Synopsis</p>
<p style="padding-top: 0pt; text-align: left;" class="Body">Determines
source model parameters, such as flux, spectral index, source position,
and source extent from a maximum likelihood analysis of CTA data. The
analysis can be done in a binned or an unbinned formulation of the
log-likelihood function. For binned analysis, a counts map producted by
<a href="ctbin.html">ctbin</a> is required. For
unbinned analysis, an events list processed by <a href="ctselect.html">ctselect</a> is required.</p>
<br>
<p class="Title">Links</p>
<ul class="Body">
<li><a href="ftools_usage.html">Basic FTOOL
Parameter Usage</a></li>
</ul>
<p style="padding-top: 0pt; text-align: left;" class="Body"></p>
<br>
<p class="Title">General parameters</p>
<table id="table1" class="Body" border="0" cellpadding="0" cellspacing="0" width="600">
<tbody>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>evfile
[file]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Input event list (for unbinned
analysis only).</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>cntfile
[file]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Input counts map (for binned
analysis only).</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>method
= BINNED <BINNED|UNBINNED> [string]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Maximum likelihood analysis method (<code>BINNED</code>
- for binned maximum likelihood analysis, <code>UNBINNED</code>
- for unbinned maximum likelihood analysis).</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>(stat
= POISSON) [string]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Fitting statistics (only affects
binned analysis).</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>(refit
= no) [boolean]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Performs refitting of solution after
initial fit.</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>caldb
[string]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Calibration databas.</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>irf
[string]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Instrument response function</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>srcmdl
[string]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Source model input XML file.</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>outmdl
[string]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Source model result XML file.</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
</tbody>
</table>
<p class="Title">Standard parameters</p>
<table id="table1" class="Body" border="0" cellpadding="0" cellspacing="0" width="600">
<tbody>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>(chatter
= 2) [integer]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Verbosity of the executable:<br>
<code>chatter = 0</code>: no information will be
logged<br>
<code>chatter = 1</code>: only errors will be logged<br>
<code>chatter = 2</code>: errors and actions will be
logged<br>
<code>chatter = 3</code>: report about the task
execution<br>
<code>chatter = 4</code>: detailed report about the
task execution</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>(clobber
= yes) [boolean]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Specifies whether an existing source
model result file should be overwritten.</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>(debug
= yes) [boolean]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Enables debug mode. In debug mode
the executable will dump any log file output in the console.</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
<tr>
<td width="50"> </td>
<td colspan="2"><span class="irafpar"><strong>(mode
= ql) [string]</strong></span></td>
</tr>
<tr>
<td width="50"> </td>
<td width="25"> </td>
<td width="525">Mode of automatic parameters.</td>
</tr>
<tr>
<td width="50"> </td>
<td> </td>
<td width="525"> </td>
</tr>
</tbody>
</table>
<br>
<p class="Title">Related FTOOLS</p>
<ul class="Body">
<li><a href="ctbin.html">ctbin</a></li>
<li><a href="ctselect.html">ctselect</a></li>
</ul>
<br>
<hr size="1">
<p class="Body">Last updated by: Jürgen Knödlseder 8 March
2011
</p>
<br>
</body></html>