Difference: HipeWhatsNew8x (64 vs. 65)

Revision 652011-12-02 - PeterDavis

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META TOPICPARENT name="HipeWhatsNew"

What's coming up in HIPE 8

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    • The Instrument RSRF in SCalSpecInstRsrf has been updated, Bright Source mode RSRFs added and units updated to GHz
    • The OPD limits in SCalSpecOpdLimits have been changed such that the interferograms for calibration observations (resolution CR) are cut to have the same limits as high resolution science observations (HR).
    • The spectral band edges in SCalSpecBandEdges have been made slightly narrower to avoid spikes at the edges. They have also been converted to GHz.
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    • The spectral limits used for phase correction (used for the polynomial fit method) in !SCalSpecPhaseCorrLim have been converted to GHz.
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    • The spectral limits used for phase correction (used for the polynomial fit method) in SCalSpecPhaseCorrLim have been converted to GHz.
 
    • Three new calibration products have been added to allow processing of Bright Source mode data:
      • SCalSpecNomPcal contains the weighted mean and standard deviation PCAL level separation for dark sky in Nominal Mode - this is used to compare with the PCAL level separation in Bright Source mode in order to calculate a bright mode gain factor for each detector.
      • SCalSpecBrightGain contains a frequency dependent correction to the PCAL gain factor (the gradient and intercept of a straight line). It is applied in the spectral domain to correct the spectral shape of Bright Mode observations.
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 An additional option to correct the bolometer voltages for phase gain has been added. This is used in the Spectrometer pipeline to process Bright Source mode observations.

Common Pipeline

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The default value for reconstruction in the sigmaKappa deglitcher is changed to "DIRECT".
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The default value for the correctionMode parameter in the sigmaKappa deglitcher is changed to "DIRECT".
  A new metadata item, calVersion, is added to all pipeline produced products to specity the calibration tree version used.

Photometer Pipeline

Extended Emission Calibration Using the Relative Detector Gains

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A new optional module in the User Pipelines that takes into acount the fact that the SPIRE detectors dont all have exactly the same beamshape
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A new optional module in the User Pipelines that takes into account the fact that the SPIRE detectors do not all have exactly the same beamshape
 
  • The Flag applyExtendedEmissionGains needs to be set to True

Include Turnaround Data for Maps

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Create SDI from SDS

  • InverseFourierTransformTask has been created to transform SDS objects into SDI objects by applying the inverse Fourier transform:
    sdi = inverseFourierTransform(sds = sds)
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  • InverseFourierTransformTask is not the inverse of the FourierTransformTask because it does not remove zeropadding from the output interferograms.
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  • InverseFourierTransformTask is not the inverse of the FourierTransformTask because it does not remove zeropadding from the output interferograms. The already existing makeSameOpds can be used to remove zero-padding.
 

Improved pre-processed cube product

The "preCube" product which contains the collection of spectra to be gridded into the final cube has been improved and now contains a dataset in Spectrum2d format, that can easily be viewed with Herschel viewers.

Convenience task for spectral cube creation

SpireProjectionTask has been created to provide a convenient single API for creating spectral cubes. The task can make spectral cubes using any of the following algorithms:
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  • Naive projection
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  • Naive projection (cf. SPIRE photometer)
 
  • Nearest neighbour projection
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  • Gridding projection
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  • Gridding projection (cf. HIFI OTF gridding)
 

Interactive Analysis and Tools

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Spectrometer Line Fitting
A new Useful Script accessed from the top Scripts menu within HIPE:
  • Allows simultaneous fitting of lines and continuum in the central detectors using the HIPE SpectrumFitter
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  • CO lines are fitted with a polynomial baseline and results are printed for each line
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  • CO lines are fitted with a polynomial baseline and results are printed for each line, including the error estimate for the line flux
 
Spectrometer Thumbnail Mosaic Plot
A new Useful Script accessed from the top Scripts menu within HIPE:
 
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