Changes between Version 8 and Version 9 of IPP_Progress_Report_20101025
- Timestamp:
- Nov 2, 2010, 10:07:05 AM (16 years ago)
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IPP_Progress_Report_20101025
v8 v9 19 19 of the most important changes and improvements: 20 20 21 * new output formats : PS1_V3 and PS1_DV2, with a number of new fields. see: 22 http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/CMF_PS1_V3 23 http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/CMF_PS1_DV2 21 * new output formats : PS1_V3 and PS1_DV2, with a number of new fields. see: http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/CMF_PS1_V3 http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/CMF_PS1_DV2 24 22 25 * the Star likelihood measurement and the Cosmic Ray detection are 26 improved, see the discussion at: 27 http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/StarGalaxySeparation 23 * the Star likelihood measurement and the Cosmic Ray detection are improved, see the discussion at: http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/StarGalaxySeparation 28 24 29 25 * Cosmic Rays are now masked in the chip-stage output images 30 26 31 * Some improvements to both the DUAL and SINGLE convolution analysis, 32 discussed at the following link (more discussion to be added soon): 33 http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/ppSubModifications_201009 27 * Some improvements to both the DUAL and SINGLE convolution analysis, discussed at the following link (more discussion to be added soon): http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/ppSubModifications_201009 34 28 35 * Stack masking now includes information about the cause of masked 36 pixels, as well as information about suspicious pixels. see: 37 http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/Stack 29 * Stack masking now includes information about the cause of masked pixels, as well as information about suspicious pixels. see: http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/Stack 38 30 39 * Fixes to the bright star masking: The size of the bright star 40 circles was OK for very bright stars (-23 inst mags), but too small 41 for stars at or just beyond the saturation limit. This is now fixed. 42 Also, the w-band images used too small of a zero point for the over 43 all scaling. 31 * Fixes to the bright star masking: The size of the bright star circles was OK for very bright stars (-23 inst mags), but too small for stars at or just beyond the saturation limit. This is now fixed. Also, the w-band images used too small of a zero point for the over all scaling. 44 32 45 * STACK-STACK processing now uses SINGLE convolution of the template 46 instead of DUAL convolution 33 * STACK-STACK processing now uses SINGLE convolution of the template instead of DUAL convolution 47 34 48 * addressed a couple of low-level bugs that caused errors in the 49 calculation of centroids or screwed up the peak positions in some 50 chips 35 * addressed a couple of low-level bugs that caused errors in the calculation of centroids or screwed up the peak positions in some chips 51 36 52 * for faint sources, where we do not perform a full non-linear fit for 53 the position, we are now reporting the position and position errors 54 based on the centroids rather than on the peak in the detection image. 55 With the fix above, this gives much more reliable values for the 56 position and errors on these faint sources. 37 * for faint sources, where we do not perform a full non-linear fit for the position, we are now reporting the position and position errors based on the centroids rather than on the peak in the detection image. With the fix above, this gives much more reliable values for the position and errors on these faint sources. 57 38 58 * for forced photometry, we are now keeping the supplied position (the 59 code had been letting the position be reset by the pixel analysis, 60 which is definitely wrong). 39 * for forced photometry, we are now keeping the supplied position (the code had been letting the position be reset by the pixel analysis, which is definitely wrong). 61 40 62 41 This release includes some fixes to psphotStack, which is used for the
