Changes between Version 7 and Version 8 of NightOperations/Commissioning/Plans/20160528


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Timestamp:
May 27, 2016 9:57:15 PM (8 years ago)
Author:
shetrone
Comment:

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  • NightOperations/Commissioning/Plans/20160528

    v7 v8  
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     138=== Test EGS setup ===
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     140See e-mail from Steve Finklestein.   Unpack that information and see if you can use it to setup on one of the EGS fields.   Compare setup to Gstar results.
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    138143-------------
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    … …  
    145150We'd also like to add getting a larger number of flat exposures to the long-term operations procedures. This is for monitoring small changes in the pixel-to-pixel response for VIRUS over time. The cadence would be about once a week, and after any unit has been pumped and recooled, and we want LDLS 20 flats taking each time for this.
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     152lots of bias datasets for VIRUS - we want to see if there is any correlation between small changes we see in the structure of the bias and CCD temperature or enclosure temperature. Since many of the CCDs are floating in temperature depending on the enclosure temperature, we may be causing very small changes in bias. We'd like to look for this and any other instability that there might be. So if you're closed or have poor conditions, getting say 10 bias sets distributed through the night and recording the CCD, and enclosure temps for each would be a useful dataset.
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