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Changes between Version 6 and Version 7 of Durham_MDS_Testing4


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Timestamp:
Dec 1, 2009, 6:08:20 AM (17 years ago)
Author:
shaun.cole@…
Comment:

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  • Durham_MDS_Testing4

    v6 v7  
    1919[[Image(xoffset_30204_30204NM.jpg,400px)]][[Image(yoffset_30204_30204NM.jpg,400px)]]
    2020
    21 Show above are the x and y position offsets between two reductions of the ''same stack'' (30204). One is the from the standard cmf file provided, the other is from our own run of psphot on 30204 (from code taken from the SVN on Nov 25th). The rms is about 0.4 pixels, so as both methods used identical datasets this is a measure of the reproducability of psphot.
     21Show above are the x and y position offsets between two reductions of the ''same stack'' (30204). One is the from the standard cmf file provided, the other is from our own run of psphot on 30204 (from code taken from the SVN on Nov 25th). The rms is about 0.4 pixels, so as both methods used identical datasets this is a measure of the reproducability of psphot. The offset is of order 0.1-0.2 pixels. NOTE: although not shown, 29871 v 30204 shows a similar scatter, athough with a different overall offset.