Commit af771e6093f4cbbb528e99c98b07a47dad47d280
1 parent
83fd1279
Do no longer use a finer energy binning for the background cube in obsutils.get_stacked_response().
The interpolation of the stacked background cube is problematic when combining various energy thresholds. The background cube should *not* be interpolated but should be identical to the counts cube. Both are defined in the same data space.
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4 additions
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2 deletions
cscripts/obsutils.py
| @@ -633,7 +633,9 @@ def get_stacked_response(obs, xref, yref, binsz=0.05, nxpix=200, nypix=200, | @@ -633,7 +633,9 @@ def get_stacked_response(obs, xref, yref, binsz=0.05, nxpix=200, nypix=200, | ||
| 633 | psfcube.logFileOpen() | 633 | psfcube.logFileOpen() |
| 634 | psfcube.run() | 634 | psfcube.run() |
| 635 | 635 | ||
| 636 | - # Create background cube | 636 | + # Create background cube. Note that we use the same energy binning as |
| 637 | + # for the counts cube since no interpolation should be actually done | ||
| 638 | + # for the background cube. | ||
| 637 | bkgcube = ctools.ctbkgcube(obs) | 639 | bkgcube = ctools.ctbkgcube(obs) |
| 638 | bkgcube['incube'] = 'NONE' | 640 | bkgcube['incube'] = 'NONE' |
| 639 | bkgcube['usepnt'] = usepnt | 641 | bkgcube['usepnt'] = usepnt |
| @@ -641,7 +643,7 @@ def get_stacked_response(obs, xref, yref, binsz=0.05, nxpix=200, nypix=200, | @@ -641,7 +643,7 @@ def get_stacked_response(obs, xref, yref, binsz=0.05, nxpix=200, nypix=200, | ||
| 641 | bkgcube['binsz'] = binsz | 643 | bkgcube['binsz'] = binsz |
| 642 | bkgcube['nxpix'] = nxpix | 644 | bkgcube['nxpix'] = nxpix |
| 643 | bkgcube['nypix'] = nypix | 645 | bkgcube['nypix'] = nypix |
| 644 | - bkgcube['enumbins'] = _enumbins | 646 | + bkgcube['enumbins'] = enumbins |
| 645 | bkgcube['emin'] = emin | 647 | bkgcube['emin'] = emin |
| 646 | bkgcube['emax'] = emax | 648 | bkgcube['emax'] = emax |
| 647 | bkgcube['coordsys'] = coordsys | 649 | bkgcube['coordsys'] = coordsys |