Difference: PacsCalibrationWeb (152 vs. 153)

Revision 1532017-01-19 - KatrinaExter

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META TOPICPARENT name="WebHome"

PACS instrument and calibration web pages

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    • a few spectroscopy observations (1342247513, 1342246558,1342225987, 1342225145, 1342225789, 1342247790)
  • HIPE 15 will soon be 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.
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    • 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 are very small
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    • 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
  • 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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