From 7130da33b7f3bc8d27d3f0dc28ac9f0ff9b219c0 Mon Sep 17 00:00:00 2001
From: knodlseder <>
Date: Wed, 3 Aug 2011 17:12:38 +0000
Subject: [PATCH] fix background sigma by default

---
 scripts/cstsdist.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scripts/cstsdist.py b/scripts/cstsdist.py
index e77438c..93bfff3 100755
--- a/scripts/cstsdist.py
+++ b/scripts/cstsdist.py
@@ -265,12 +265,16 @@ class cstsdist(GApplication):
 		# Return observation container
 		return obs
 	
-	def set_bkg_model(self):
+	def set_bkg_model(self, fitsigma=False):
 		"""
 		Setup CTA background model.
 		"""
 		# Define radial component
 		radial = GCTAModelRadialGauss(3.0)
+		if fitsigma:
+			radial["Sigma"].free()
+		else:
+			radial["Sigma"].fix()
 		
 		# Define spectral component
 		spectrum = GModelSpectralFunc(self.m_bkg)
--
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