Adapt Sphinx documentation to new sky model output format

In the new sky model output format all instrument scaling factors are shown as regular model parameters.

Adapt Sphinx documentation to new sky model output format
In the new sky model output format all instrument scaling factors are shown as regular model parameters.
Jürgen Knödlseder
1 parent 50385052
Showing 18 changed files with 33 additions and 64 deletions
doc/source/users/tutorials/1dc/first_onoff.rst
doc/source/users/tutorials/hess_dr1/bkgmodel.ipynb
doc/source/users/tutorials/hess_dr1/classical.ipynb
doc/source/users/tutorials/hess_dr1/skymap.ipynb
doc/source/users/tutorials/hess_dr1/unbinned.ipynb
doc/source/users/tutorials/howto/comptel/howto_comptel_fitting.rst
doc/source/users/tutorials/howto/fermi/howto_fermi_fitting.rst
doc/source/users/tutorials/howto/howto_advanced_python_fitting.ipynb
doc/source/users/tutorials/howto/howto_connect_irfs.rst
doc/source/users/tutorials/howto/howto_connect_models.ipynb
doc/source/users/tutorials/howto/howto_extent.rst
doc/source/users/tutorials/howto/howto_stacked_analysis.ipynb
doc/source/users/tutorials/howto/iact/analysis.rst
doc/source/users/tutorials/quickstart/ctools-from-python.ipynb
doc/source/users/tutorials/quickstart/energy_dispersion.rst
doc/source/users/tutorials/quickstart/fitting.rst
doc/source/users/tutorials/quickstart/onoff.rst
doc/source/users/tutorials/quickstart/unbinned.rst
@@ -334,7 +334,6 @@ The fit result can be inspected by peeking the log file:
    2019-04-09T13:23:01: === GModelSky ===
    2019-04-09T13:23:01:  Name ......................: Dummy
    2019-04-09T13:23:01:  Instruments ...............: all
-   2019-04-09T13:23:01:  Instrument scale factors ..: unity
    2019-04-09T13:23:01:  Observation identifiers ...: all
    2019-04-09T13:23:01:  Model type ................: PointSource
    2019-04-09T13:23:01:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -348,6 +347,7 @@ The fit result can be inspected by peeking the log file:
    2019-04-09T13:23:01:   PivotEnergy ..............: 1000000 MeV (fixed,scale=1000000,gradient)
    2019-04-09T13:23:01:  Number of temporal par's ..: 1
    2019-04-09T13:23:01:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-09T13:23:01:  Number of scale par's .....: 0
 .. tip::
    By default the ``WSTAT`` statistic is used which does not require a
@@ -422,7 +422,6 @@ The fit result can be inspected by peeking the log file:
       2019-04-09T21:27:21: === GModelSky ===
       2019-04-09T21:27:21:  Name ......................: Cassiopeia A
       2019-04-09T21:27:21:  Instruments ...............: all
-      2019-04-09T21:27:21:  Instrument scale factors ..: unity
       2019-04-09T21:27:21:  Observation identifiers ...: all
       2019-04-09T21:27:21:  Model type ................: PointSource
       2019-04-09T21:27:21:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -436,6 +435,7 @@ The fit result can be inspected by peeking the log file:
       2019-04-09T21:27:21:   PivotEnergy ..............: 1000000 MeV (fixed,scale=1000000,gradient)
       2019-04-09T21:27:21:  Number of temporal par's ..: 1
       2019-04-09T21:27:21:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+      2019-04-09T21:27:21:  Number of scale par's .....: 0
 Visualising the source spectrum
@@ -89,7 +89,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023523\n",
       " Instruments ...............: HESS\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023523\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -120,7 +119,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023526\n",
       " Instruments ...............: HESS\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023526\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -151,7 +149,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023559\n",
       " Instruments ...............: HESS\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023559\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -182,7 +179,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023592\n",
       " Instruments ...............: HESS\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023592\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -190,7 +190,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Dummy\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -203,7 +202,8 @@
       "  Index ....................: -2 +/- 0 [10,-10]  (free,scale=-2,gradient)\n",
       "  PivotEnergy ..............: 1000000 MeV (fixed,scale=1000000,gradient)\n",
       " Number of temporal par's ..: 1\n",
-      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n"
+      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n"
      ]
     }
    ],
@@ -277,7 +277,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -290,7 +289,8 @@
       "  Index ....................: -2.63298373450669 +/- 0.0795120102122515 [10,-10]  (free,scale=-2,gradient)\n",
       "  PivotEnergy ..............: 1000000 MeV (fixed,scale=1000000,gradient)\n",
       " Number of temporal par's ..: 1\n",
-      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n"
+      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n"
      ]
     }
    ],
@@ -428,7 +428,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -442,10 +441,10 @@
       "  PivotEnergy ..............: 1000000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)\n",
       " Number of temporal par's ..: 1\n",
       "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n",
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023523\n",
       " Instruments ...............: HESSOnOff\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023523\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -476,7 +475,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023526\n",
       " Instruments ...............: HESSOnOff\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023526\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -507,7 +505,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023559\n",
       " Instruments ...............: HESSOnOff\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023559\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -538,7 +535,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023592\n",
       " Instruments ...............: HESSOnOff\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023592\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -172,7 +172,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Src001\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -185,7 +184,8 @@
       "  Index ....................: -2.48 +/- 0 [10,-10]  (free,scale=-2.48,gradient)\n",
       "  PivotEnergy ..............: 300000 MeV (fixed,scale=300000,gradient)\n",
       " Number of temporal par's ..: 1\n",
-      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n"
+      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n"
      ]
     }
    ],
@@ -95,7 +95,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Src001\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -109,10 +108,10 @@
       "  PivotEnergy ..............: 300000 MeV (fixed,scale=300000,gradient)\n",
       " Number of temporal par's ..: 1\n",
       "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n",
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023523\n",
       " Instruments ...............: HESS\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023523\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -143,7 +142,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023526\n",
       " Instruments ...............: HESS\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023526\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -174,7 +172,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023559\n",
       " Instruments ...............: HESS\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023559\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -205,7 +202,6 @@
       "=== GCTAModelBackground ===\n",
       " Name ......................: Background_023592\n",
       " Instruments ...............: HESS\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 023592\n",
       " Model type ................: CTABackground\n",
       " Model components ..........: \"Multiplicative\" * \"NodeFunction\" * \"Constant\"\n",
@@ -330,7 +326,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -343,7 +338,8 @@
       "  Index ....................: -2.68230589724908 +/- 0.0650730512302727 [10,-10]  (free,scale=-2.48,gradient)\n",
       "  PivotEnergy ..............: 999999.999999999 MeV (fixed,scale=300000,gradient)\n",
       " Number of temporal par's ..: 1\n",
-      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n"
+      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n"
      ]
     }
    ],
@@ -396,7 +392,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -409,7 +404,8 @@
       "  Index ....................: -2.66140151299329 +/- 0.0671763204868478 [10,-10]  (free,scale=-2.48,gradient)\n",
       "  PivotEnergy ..............: 999999.999999999 MeV (fixed,scale=300000,gradient)\n",
       " Number of temporal par's ..: 1\n",
-      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n"
+      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n"
      ]
     }
    ],
@@ -245,7 +245,6 @@ log file ``ctlike.log`` that was also created by :ref:`ctlike`:
    2019-04-04T15:11:40:  Name ......................: Crab
    2019-04-04T15:11:40:  Instruments ...............: all
    2019-04-04T15:11:40:  Test Statistic ............: 915.478960024426
-   2019-04-04T15:11:40:  Instrument scale factors ..: unity
    2019-04-04T15:11:40:  Observation identifiers ...: all
    2019-04-04T15:11:40:  Model type ................: PointSource
    2019-04-04T15:11:40:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -259,6 +258,7 @@ log file ``ctlike.log`` that was also created by :ref:`ctlike`:
    2019-04-04T15:11:40:   PivotEnergy ..............: 1 [0.01,1000] MeV (fixed,scale=1,gradient)
    2019-04-04T15:11:40:  Number of temporal par's ..: 1
    2019-04-04T15:11:40:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-04T15:11:40:  Number of scale par's .....: 0
 The fit converged after 10 iterations and did a second fit without the
 source component to determine the Test Statistic value of the Crab.
@@ -137,7 +137,6 @@ log file ``ctlike.log`` that was also created by :ref:`ctlike`:
    2019-04-04T14:34:30: === GModelSky ===
    2019-04-04T14:34:30:  Name ......................: Vela
    2019-04-04T14:34:30:  Instruments ...............: all
-   2019-04-04T14:34:30:  Instrument scale factors ..: unity
    2019-04-04T14:34:30:  Observation identifiers ...: all
    2019-04-04T14:34:30:  Model type ................: PointSource
    2019-04-04T14:34:30:  Model components ..........: "PointSource" * "SuperExponentialCutoffPowerLaw" * "Constant"
@@ -153,10 +152,10 @@ log file ``ctlike.log`` that was also created by :ref:`ctlike`:
    2019-04-04T14:34:30:   Index2 ...................: 0.58755011716699 +/- 0.027919253961318 [0.1,5]  (free,scale=1,gradient)
    2019-04-04T14:34:30:  Number of temporal par's ..: 1
    2019-04-04T14:34:30:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-04T14:34:30:  Number of scale par's .....: 0
    2019-04-04T14:34:30: === GModelSky ===
    2019-04-04T14:34:30:  Name ......................: Galactic_diffuse
    2019-04-04T14:34:30:  Instruments ...............: all
-   2019-04-04T14:34:30:  Instrument scale factors ..: unity
    2019-04-04T14:34:30:  Observation identifiers ...: all
    2019-04-04T14:34:30:  Model type ................: DiffuseSource
    2019-04-04T14:34:30:  Model components ..........: "DiffuseMapCube" * "Constant" * "Constant"
@@ -167,10 +166,10 @@ log file ``ctlike.log`` that was also created by :ref:`ctlike`:
    2019-04-04T14:34:30:   Normalization ............: 1.10941973066989 +/- 0.00503412002600817 [0.1,1000]  (free,scale=1,gradient)
    2019-04-04T14:34:30:  Number of temporal par's ..: 1
    2019-04-04T14:34:30:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-04T14:34:30:  Number of scale par's .....: 0
    2019-04-04T14:34:30: === GModelSky ===
    2019-04-04T14:34:30:  Name ......................: Extragalactic_diffuse
    2019-04-04T14:34:30:  Instruments ...............: all
-   2019-04-04T14:34:30:  Instrument scale factors ..: unity
    2019-04-04T14:34:30:  Observation identifiers ...: all
    2019-04-04T14:34:30:  Model type ................: DiffuseSource
    2019-04-04T14:34:30:  Model components ..........: "DiffuseIsotropic" * "FileFunction" * "Constant"
@@ -181,6 +180,7 @@ log file ``ctlike.log`` that was also created by :ref:`ctlike`:
    2019-04-04T14:34:30:   Normalization ............: 1 [0,1000]  (fixed,scale=1,gradient)
    2019-04-04T14:34:30:  Number of temporal par's ..: 1
    2019-04-04T14:34:30:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-04T14:34:30:  Number of scale par's .....: 0
 The fit converged after 19 iterations with spectral parameters that are
 reasonably close to those found in
@@ -246,7 +246,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -260,10 +259,10 @@
       "  PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)\n",
       " Number of temporal par's ..: 1\n",
       "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n",
       "=== GCTAModelIrfBackground ===\n",
       " Name ......................: CTABackgroundModel\n",
       " Instruments ...............: CTA\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: \"PowerLaw\" * \"Constant\"\n",
       " Number of parameters ......: 4\n",
@@ -670,7 +669,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"ExponentialCutoffPowerLaw\" * \"Constant\"\n",
@@ -684,7 +682,8 @@
       "  CutoffEnergy .............: 3206993.95272881 +/- 117129.972166476 [0.1,infty[ MeV (free,scale=1,gradient)\n",
       "  PivotEnergy ..............: 300000 MeV (fixed,scale=1,gradient)\n",
       " Number of temporal par's ..: 1\n",
-      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n"
+      "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n"
      ]
     }
    ],
@@ -179,7 +179,6 @@ both observations.
    2019-04-03T12:03:41: === GModelSky ===
    2019-04-03T12:03:41:  Name ......................: Crab
    2019-04-03T12:03:41:  Instruments ...............: all
-   2019-04-03T12:03:41:  Instrument scale factors ..: unity
    2019-04-03T12:03:41:  Observation identifiers ...: all
    2019-04-03T12:03:41:  Model type ................: PointSource
    2019-04-03T12:03:41:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -193,10 +192,10 @@ both observations.
    2019-04-03T12:03:41:   PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)
    2019-04-03T12:03:41:  Number of temporal par's ..: 1
    2019-04-03T12:03:41:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-03T12:03:41:  Number of scale par's .....: 0
    2019-04-03T12:03:41: === GCTAModelIrfBackground ===
    2019-04-03T12:03:41:  Name ......................: CTABackgroundModel
    2019-04-03T12:03:41:  Instruments ...............: CTA
-   2019-04-03T12:03:41:  Instrument scale factors ..: unity
    2019-04-03T12:03:41:  Observation identifiers ...: all
    2019-04-03T12:03:41:  Model type ................: "PowerLaw" * "Constant"
    2019-04-03T12:03:41:  Number of parameters ......: 4
@@ -272,7 +272,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -286,10 +285,10 @@
       "  PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)\n",
       " Number of temporal par's ..: 1\n",
       "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n",
       "=== GCTAModelIrfBackground ===\n",
       " Name ......................: Background_000001\n",
       " Instruments ...............: CTA\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 000001\n",
       " Model type ................: \"PowerLaw\" * \"Constant\"\n",
       " Number of parameters ......: 4\n",
@@ -302,7 +301,6 @@
       "=== GCTAModelIrfBackground ===\n",
       " Name ......................: Background_000002\n",
       " Instruments ...............: CTA\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: 000002\n",
       " Model type ................: \"PowerLaw\" * \"Constant\"\n",
       " Number of parameters ......: 4\n",
@@ -75,7 +75,6 @@ The source is detected with a TS value of 960.3.
    2019-04-04T10:02:58:  Name ......................: Src003
    2019-04-04T10:02:58:  Instruments ...............: all
    2019-04-04T10:02:58:  Test Statistic ............: 960.322220887407
-   2019-04-04T10:02:58:  Instrument scale factors ..: unity
    2019-04-04T10:02:58:  Observation identifiers ...: all
    2019-04-04T10:02:58:  Model type ................: ExtendedSource
    2019-04-04T10:02:58:  Model components ..........: "RadialDisk" * "PowerLaw" * "Constant"
@@ -90,6 +89,7 @@ The source is detected with a TS value of 960.3.
    2019-04-04T10:02:58:   PivotEnergy ..............: 300000 MeV (fixed,scale=300000,gradient)
    2019-04-04T10:02:58:  Number of temporal par's ..: 1
    2019-04-04T10:02:58:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-04T10:02:58:  Number of scale par's .....: 0
 .. warning::
    The parameter errors returned by :ref:`ctlike` are purely statistical. In
@@ -289,7 +289,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -303,10 +302,10 @@
       "  PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)\n",
       " Number of temporal par's ..: 1\n",
       "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n",
       "=== GCTAModelCubeBackground ===\n",
       " Name ......................: BackgroundModel\n",
       " Instruments ...............: CTA, HESS, MAGIC, VERITAS\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: \"PowerLaw\" * \"Constant\"\n",
       " Number of parameters ......: 4\n",
@@ -64,7 +64,6 @@ which will produce the following output in the log file ``ctlike.log``:
    2019-04-05T14:18:18: === GCTAModelAeffBackground ===
    2019-04-05T14:18:18:  Name ......................: bkg_23523
    2019-04-05T14:18:18:  Instruments ...............: HESS
-   2019-04-05T14:18:18:  Instrument scale factors ..: unity
    2019-04-05T14:18:18:  Observation identifiers ...: 23523
    2019-04-05T14:18:18:  Model type ................: "PowerLaw" * "Constant"
    2019-04-05T14:18:18:  Number of parameters ......: 4
@@ -77,7 +76,6 @@ which will produce the following output in the log file ``ctlike.log``:
    2019-04-05T14:18:18: === GCTAModelAeffBackground ===
    2019-04-05T14:18:18:  Name ......................: bkg_23526
    2019-04-05T14:18:18:  Instruments ...............: HESS
-   2019-04-05T14:18:18:  Instrument scale factors ..: unity
    2019-04-05T14:18:18:  Observation identifiers ...: 23526
    2019-04-05T14:18:18:  Model type ................: "PowerLaw" * "Constant"
    2019-04-05T14:18:18:  Number of parameters ......: 4
@@ -90,7 +88,6 @@ which will produce the following output in the log file ``ctlike.log``:
    2019-04-05T14:18:18: === GCTAModelAeffBackground ===
    2019-04-05T14:18:18:  Name ......................: bkg_23559
    2019-04-05T14:18:18:  Instruments ...............: HESS
-   2019-04-05T14:18:18:  Instrument scale factors ..: unity
    2019-04-05T14:18:18:  Observation identifiers ...: 23559
    2019-04-05T14:18:18:  Model type ................: "PowerLaw" * "Constant"
    2019-04-05T14:18:18:  Number of parameters ......: 4
@@ -103,7 +100,6 @@ which will produce the following output in the log file ``ctlike.log``:
    2019-04-05T14:18:18: === GCTAModelAeffBackground ===
    2019-04-05T14:18:18:  Name ......................: bkg_23592
    2019-04-05T14:18:18:  Instruments ...............: HESS
-   2019-04-05T14:18:18:  Instrument scale factors ..: unity
    2019-04-05T14:18:18:  Observation identifiers ...: 23592
    2019-04-05T14:18:18:  Model type ................: "PowerLaw" * "Constant"
    2019-04-05T14:18:18:  Number of parameters ......: 4
@@ -116,7 +112,6 @@ which will produce the following output in the log file ``ctlike.log``:
    2019-04-05T14:18:18: === GModelSky ===
    2019-04-05T14:18:18:  Name ......................: Crab
    2019-04-05T14:18:18:  Instruments ...............: all
-   2019-04-05T14:18:18:  Instrument scale factors ..: unity
    2019-04-05T14:18:18:  Observation identifiers ...: all
    2019-04-05T14:18:18:  Model type ................: PointSource
    2019-04-05T14:18:18:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -133,7 +128,6 @@ which will produce the following output in the log file ``ctlike.log``:
    2019-04-05T14:18:18: === GCTAModelIrfBackground ===
    2019-04-05T14:18:18:  Name ......................: CTABackgroundModel
    2019-04-05T14:18:18:  Instruments ...............: CTA
-   2019-04-05T14:18:18:  Instrument scale factors ..: unity
    2019-04-05T14:18:18:  Observation identifiers ...: all
    2019-04-05T14:18:18:  Model type ................: "PowerLaw" * "Constant"
    2019-04-05T14:18:18:  Number of parameters ......: 4
@@ -483,7 +483,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -497,10 +496,10 @@
       "  PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)\n",
       " Number of temporal par's ..: 1\n",
       "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n",
       "=== GCTAModelIrfBackground ===\n",
       " Name ......................: CTABackgroundModel\n",
       " Instruments ...............: CTA\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: \"PowerLaw\" * \"Constant\"\n",
       " Number of parameters ......: 4\n",
@@ -564,7 +563,6 @@
       "=== GModelSky ===\n",
       " Name ......................: Crab\n",
       " Instruments ...............: all\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: PointSource\n",
       " Model components ..........: \"PointSource\" * \"PowerLaw\" * \"Constant\"\n",
@@ -578,10 +576,10 @@
       "  PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)\n",
       " Number of temporal par's ..: 1\n",
       "  Normalization ............: 1 (relative value) (fixed,scale=1,gradient)\n",
+      " Number of scale par's .....: 0\n",
       "=== GCTAModelIrfBackground ===\n",
       " Name ......................: CTABackgroundModel\n",
       " Instruments ...............: CTA\n",
-      " Instrument scale factors ..: unity\n",
       " Observation identifiers ...: all\n",
       " Model type ................: \"PowerLaw\" * \"Constant\"\n",
       " Number of parameters ......: 4\n",
@@ -147,7 +147,6 @@ And here is the output in the log file:
    2019-04-02T14:24:57: === GModelSky ===
    2019-04-02T14:24:57:  Name ......................: Crab
    2019-04-02T14:24:57:  Instruments ...............: all
-   2019-04-02T14:24:57:  Instrument scale factors ..: unity
    2019-04-02T14:24:57:  Observation identifiers ...: all
    2019-04-02T14:24:57:  Model type ................: PointSource
    2019-04-02T14:24:57:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -161,10 +160,10 @@ And here is the output in the log file:
    2019-04-02T14:24:57:   PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)
    2019-04-02T14:24:57:  Number of temporal par's ..: 1
    2019-04-02T14:24:57:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-02T14:24:57:  Number of scale par's .....: 0
    2019-04-02T14:24:57: === GCTAModelCubeBackground ===
    2019-04-02T14:24:57:  Name ......................: BackgroundModel
    2019-04-02T14:24:57:  Instruments ...............: CTA, HESS, MAGIC, VERITAS
-   2019-04-02T14:24:57:  Instrument scale factors ..: unity
    2019-04-02T14:24:57:  Observation identifiers ...: all
    2019-04-02T14:24:57:  Model type ................: "PowerLaw" * "Constant"
    2019-04-02T14:24:57:  Number of parameters ......: 4
@@ -222,7 +221,6 @@ Here the output in the log file:
    2019-04-02T14:27:05: === GModelSky ===
    2019-04-02T14:27:05:  Name ......................: Crab
    2019-04-02T14:27:05:  Instruments ...............: all
-   2019-04-02T14:27:05:  Instrument scale factors ..: unity
    2019-04-02T14:27:05:  Observation identifiers ...: all
    2019-04-02T14:27:05:  Model type ................: PointSource
    2019-04-02T14:27:05:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -236,10 +234,10 @@ Here the output in the log file:
    2019-04-02T14:27:05:   PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)
    2019-04-02T14:27:05:  Number of temporal par's ..: 1
    2019-04-02T14:27:05:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-02T14:27:05:  Number of scale par's .....: 0
    2019-04-02T14:27:05: === GCTAModelIrfBackground ===
    2019-04-02T14:27:05:  Name ......................: CTABackgroundModel
    2019-04-02T14:27:05:  Instruments ...............: CTA
-   2019-04-02T14:27:05:  Instrument scale factors ..: unity
    2019-04-02T14:27:05:  Observation identifiers ...: all
    2019-04-02T14:27:05:  Model type ................: "PowerLaw" * "Constant"
    2019-04-02T14:27:05:  Number of parameters ......: 4
@@ -128,7 +128,6 @@ Below the last lines of the log file that was produced by this run:
    2019-04-02T13:55:48: === GModelSky ===
    2019-04-02T13:55:48:  Name ......................: Crab
    2019-04-02T13:55:48:  Instruments ...............: all
-   2019-04-02T13:55:48:  Instrument scale factors ..: unity
    2019-04-02T13:55:48:  Observation identifiers ...: all
    2019-04-02T13:55:48:  Model type ................: PointSource
    2019-04-02T13:55:48:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -142,10 +141,10 @@ Below the last lines of the log file that was produced by this run:
    2019-04-02T13:55:48:   PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)
    2019-04-02T13:55:48:  Number of temporal par's ..: 1
    2019-04-02T13:55:48:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-02T13:55:48:  Number of scale par's .....: 0
    2019-04-02T13:55:48: === GCTAModelCubeBackground ===
    2019-04-02T13:55:48:  Name ......................: BackgroundModel
    2019-04-02T13:55:48:  Instruments ...............: CTA, HESS, MAGIC, VERITAS
-   2019-04-02T13:55:48:  Instrument scale factors ..: unity
    2019-04-02T13:55:48:  Observation identifiers ...: all
    2019-04-02T13:55:48:  Model type ................: "PowerLaw" * "Constant"
    2019-04-02T13:55:48:  Number of parameters ......: 4
@@ -216,7 +216,6 @@ the background is not well known a priori.
   2019-04-02T14:55:29: === GModelSky ===
   2019-04-02T14:55:29:  Name ......................: Crab
   2019-04-02T14:55:29:  Instruments ...............: all
-  2019-04-02T14:55:29:  Instrument scale factors ..: unity
   2019-04-02T14:55:29:  Observation identifiers ...: all
   2019-04-02T14:55:29:  Model type ................: PointSource
   2019-04-02T14:55:29:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -230,10 +229,10 @@ the background is not well known a priori.
   2019-04-02T14:55:29:   PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)
   2019-04-02T14:55:29:  Number of temporal par's ..: 1
   2019-04-02T14:55:29:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+  2019-04-02T14:55:29:  Number of scale par's .....: 0
   2019-04-02T14:55:29: === GCTAModelIrfBackground ===
   2019-04-02T14:55:29:  Name ......................: CTABackgroundModel
   2019-04-02T14:55:29:  Instruments ...............: CTAOnOff
-  2019-04-02T14:55:29:  Instrument scale factors ..: unity
   2019-04-02T14:55:29:  Observation identifiers ...: all
   2019-04-02T14:55:29:  Model type ................: "PowerLaw" * "Constant"
   2019-04-02T14:55:29:  Number of parameters ......: 4
@@ -291,7 +290,6 @@ the ``statistic=wstat`` option.
    2019-04-02T15:56:29: === GModelSky ===
    2019-04-02T15:56:29:  Name ......................: Crab
    2019-04-02T15:56:29:  Instruments ...............: all
-   2019-04-02T15:56:29:  Instrument scale factors ..: unity
    2019-04-02T15:56:29:  Observation identifiers ...: all
    2019-04-02T15:56:29:  Model type ................: PointSource
    2019-04-02T15:56:29:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -305,10 +303,10 @@ the ``statistic=wstat`` option.
    2019-04-02T15:56:29:   PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)
    2019-04-02T15:56:29:  Number of temporal par's ..: 1
    2019-04-02T15:56:29:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-02T15:56:29:  Number of scale par's .....: 0
    2019-04-02T15:56:29: === GCTAModelIrfBackground ===
    2019-04-02T15:56:29:  Name ......................: CTABackgroundModel
    2019-04-02T15:56:29:  Instruments ...............: CTAOnOff
-   2019-04-02T15:56:29:  Instrument scale factors ..: unity
    2019-04-02T15:56:29:  Observation identifiers ...: all
    2019-04-02T15:56:29:  Model type ................: "PowerLaw" * "Constant"
    2019-04-02T15:56:29:  Number of parameters ......: 4
@@ -84,7 +84,6 @@ the same events for both analyses.
    2019-04-02T14:15:10: === GModelSky ===
    2019-04-02T14:15:10:  Name ......................: Crab
    2019-04-02T14:15:10:  Instruments ...............: all
-   2019-04-02T14:15:10:  Instrument scale factors ..: unity
    2019-04-02T14:15:10:  Observation identifiers ...: all
    2019-04-02T14:15:10:  Model type ................: PointSource
    2019-04-02T14:15:10:  Model components ..........: "PointSource" * "PowerLaw" * "Constant"
@@ -98,10 +97,10 @@ the same events for both analyses.
    2019-04-02T14:15:10:   PivotEnergy ..............: 300000 [10000,1000000000] MeV (fixed,scale=1000000,gradient)
    2019-04-02T14:15:10:  Number of temporal par's ..: 1
    2019-04-02T14:15:10:   Normalization ............: 1 (relative value) (fixed,scale=1,gradient)
+   2019-04-02T14:15:10:  Number of scale par's .....: 0
    2019-04-02T14:15:10: === GCTAModelIrfBackground ===
    2019-04-02T14:15:10:  Name ......................: CTABackgroundModel
    2019-04-02T14:15:10:  Instruments ...............: CTA
-   2019-04-02T14:15:10:  Instrument scale factors ..: unity
    2019-04-02T14:15:10:  Observation identifiers ...: all
    2019-04-02T14:15:10:  Model type ................: "PowerLaw" * "Constant"
    2019-04-02T14:15:10:  Number of parameters ......: 4