Difference: PacsCalibrationWeb (158 vs. 159)

Revision 1592017-04-19 - KatrinaExter

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META TOPICPARENT name="WebHome"

PACS instrument and calibration web pages

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    • the Level 2.5 for all unchopped range scans: previously the Level 2.5 were created incorrectly
    • the Level 3 for all chop-nod pointed range scans: this is being done to have a correct "ObservationSummary" included in the observation dataset, however the data themselves will be no different as the has not changed
    • a few spectroscopy observations (1342247513, 1342246558,1342225987, 1342225145, 1342225789, 1342247790)
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  • HIPE 15 has been released. There are almost no differences in the data reduction software compared to HIPE 14.2:
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  • HIPE 15.0.1 has been released. There are almost no differences in the data reduction software compared to HIPE 14.2:
 
    • for the spectroscopy interactive pipeline scripts, one task has been added which changes the values of two meta data: centreRaDecMetaData, which sets the "ra" and "dec" meta data to the centre of the cube's field for each cube created, independently; it does not change the data or coordinates of the cubes.
    • new aperture corrections have been added to the calibration tree (photometry), for the prime and parallel modes at the 20 and 60 arcsec/s speeds; the difference in the corrections wrt previous versions (where only the 20arcsec/s corrections were provided) are negligible for apertures of 2*FWHM (of the beam) but larger for smaller apertures.
    • additional documentation has been added to the PDRG for photometry on extracting uncertainties from scan maps (chp. 4)
    • the PACS Products Explained includes information about which files to grab directly from HSA tarball downloads (rather than via HIPE), and has a new short chapter on recommendations for different science cases
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    • There are minor updates in the documentation and useful scripts between HIPE 15.0 and 15.0.1, to reflect the recommendations in the PACS Handbook and to link to since-then released documentation.
 
  • Due to a bug fixed in the 6.4.4 Unimap release within 14.2.1, the values of some Unimap parameters were modified for a small set of observations in the SPG 14.2.1 processing.
  • The forward modelling tool (FMT). This tool is to be used with PACS spectroscopy observations of objects which are extended but not flat over the observed field. It is to be used to estimate the correction to the fluxes necessary to account for the uneven illumination of the FoV by the PACS integral field unit (i.e. the gaps between the spaxels). See the Data Reduction section for more information.

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  • When starting HIPE, you will be informed if new calibration files are available. Clicking on show details will show you the release note of the new calibration set, with details about the changes. This is further explained in the PDRGs. Clicking on Install will install the latest calibration files.
  • You can inspect the release notes for the calibration sets installed on your machine from within HIPE. Open the Calibration Sets View from the menu Window -> Show Views -> Workbench.
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  • The history of the calibration files that have been released to the community is provided here: PACS Calibration File History. With the release of HIPE 15 (early 2017) and the final SPG processing of 14.2 (earlier 2017), no more changes to the calibration tree will be made.
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  • The history of the calibration files that have been released to the community is provided here: PACS Calibration File History. With the release of HIPE 15 and the final SPG processing of 14.2, no more changes to the calibration tree will be made.
 

Reducing PACS data

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  HIPE (Herschel Interactive Processing Environment) is the tool used to inspect, reduce, and analyse Herschel data.
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  • The recommended User Release HCSS (Herschel common science system) version that you should use for reducing PACS data is HIPE v15.0
  • In the CIB (continuous integration build) this version corresponds to Track 15, build 3244. The CIB is the continuously bug-fixed/upgraded/improved version of HIPE, which every few months (in the beginning of the mission) or yearly (in the post-operations phase) becomes a stable User Release.
  • Within HIPE you can access all the PACS data reduction documentation and the general HCSS and HIPE user documentation for Track 15 here. The documentation provided via HIPE opens in a web browser, but for those of you who prefer PDF, we include the PACS Data Reduction Guides as PDF files here (note that within the standalone pdf versions, external links will not work):
  • For HIPE 15 go to the HIPE 15 what's new page. Note that no bulk processing will be done with this HIPE release and the pipeline scripts are no different to those of HIPE 14, the only difference wrt HIPE 14.2.1 are some software improvements.
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  • The recommended User Release HCSS (Herschel common science system) version that you should use for reducing PACS data is HIPE v15.0.1
  • Within HIPE you can access all the PACS data reduction documentation and the general HCSS and HIPE user documentation for Track 15.0.1 here. The documentation provided via HIPE opens in a web browser, but for those of you who prefer PDF, we include the PACS Data Reduction Guides as PDF files here (note that within the standalone pdf versions, external links will not work):
  • For HIPE 15(.0.1) go to the HIPE 15 (all tracks) what's new page. Note that no bulk processing will be done with this HIPE release and the pipeline scripts are no different to those of HIPE 14, the only difference wrt HIPE 14.2.1 are some useful scripts and documentation improvements.
 
 
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