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Revision 732013-01-10 - ChrisPearson

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SPIRE instrument and calibration web pages

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Photometer data reduction

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Overview

 The best source of information for reducing SPIRE Photometer data is the SPIRE Data Reduction Guide available through the HIPE help. This runs through the User Pipeline scripts step by step, describes several other Useful Scripts, and offers advice for specific issues that might be encountered.
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  • Note that SPIRE maps are in units of Jy/beam, and are calibrated in the assumption of a point source having a spectral index equal to -1, i.e. νSν = const. To calibrate your data for other cases or convert to e.g. Jy/sr, please refer to section 5.2 of the SPIRE Observers' Manual .

  • The SPIRE Photometer filter transmission curves, also known as Relative Spectral Response Functions (RSRF) are available here. For more details, please read the .readme file in this ftp folder.
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  • The SPIRE Photometer filter transmission curves, also known as Relative Spectral Response Functions (RSRF) are available here. For more details, please read the .readme file in this ftp folder.
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New definition of Leve2 products

  • For versions of the HCSS prior to HIPE 10.0, a single point source calibrated (Janskys/beam) map was provided in the Level 2 product for each of the PSW, PMW, PLW bands. However, for observations processed with HIPE 10.0 or later, more than one map calibration is made available within the Level 2 product. Maps are provided for the following scenarios for post HIPE 10.0 processing;

Description New Name (HIPE10+) Original (pre-HIPE10) Name
Point Source (standard) Maps psrcPSW PSW
Extended Emission Maps extdPSW -
Solar System Object Maps ssoPSW -
Point Source Destriper Diagnostic psrcPSWdiag pddPSW
Extended Emission Destriper Diagnostic extdPSWdiag -
     

Data Processing Issues

  The main issues that you might find in your data are: undetected glitches, thermistor or detector jumps, and bad baseline removal.
 
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