From 6d3196dfc74d9ea5973780fff391592ffc3d2ec6 Mon Sep 17 00:00:00 2001
From: Jürgen Knödlseder <jurgen.knodlseder@irap.omp.eu>
Date: Wed, 17 Oct 2018 13:58:45 +0200
Subject: [PATCH] Add csresspec.residuals() method

---
 cscripts/csresspec.py | 10 ++++++++++
 1 file changed, 10 insertions(+), 0 deletions(-)

diff --git a/cscripts/csresspec.py b/cscripts/csresspec.py
index 777255b..b9400e3 100755
--- a/cscripts/csresspec.py
+++ b/cscripts/csresspec.py
@@ -703,6 +703,16 @@ class csresspec(ctools.csobservation):
         # Return
         return
 
+    def residuals(self):
+        """
+        Return residual FITS file
+
+        Returns:
+            FITS file containing residuals
+        """
+        # Return
+        return self._fits
+
 
 # ======================== #
 # Main routine entry point #
--
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