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Changes between Version 1 and Version 2 of Durham_MDS_Testing4


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Timestamp:
Nov 23, 2009, 12:02:38 AM (17 years ago)
Author:
shaun.cole@…
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  • Durham_MDS_Testing4

    v1 v2  
    66
    77=== Photometry ===
     8
     9[[Image(30204.jpg,400px)]]
     10
     11Shown is the SDSS comparison for PSF mags on the ps1-md MD08 skycell 041 i-band stack 30204 (left) and Heather's previous stack (29871) on the same cell. Both have nominally the same exposure time (equivalent to 41 240sec exposures) and we assume come from the same set of exposures. However, the seeing is 2.0" on 30204 but only 1.4" on 29871, and the zero points differ by about 0.4 mags.