Looking at Rehearsal Data

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• Aiming to reproduce on rehearsal data what intend producing with real data

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20/JUN/24

• this is Tom's main focus at the moment
• butler loaded but reference catalogues not yet available so requires some info from others

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11/JUL/24

• will continue to be the main focus
• have preliminary results to be discussed at Rubin SITCOM Astrometry Science Unit meeting

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01/AUG/24

• discussions took place at the Astrometry SU meeting
• have a reasonable conclusion with this data
• now need to decide how this can be used
• the report that is being written will explain this

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15/AUG/24

• draft of the report written: may become a white paper or Rubin Technical Note that is referred to in a LSST:UK newsletter
• Will ask Rubin if this can be a public document ?
• now improving the pipeline that does the analysis and presentation
• next step will be to interpret the results
• subsequently refine the paper

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10/SEP/24

• since 15/AUG/24 have established that more is required than originally thought.
  • the observing strategy is not as originally thought, the number of visits is very different depending on which patch of sky is being looked at
  • this affects the signal to noise
• now have a plan on how to cope this
• still intend producing a technical note

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03/OCT/24

• see 26/SEP/24 team meeting presentation
• now know how to progress this

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17/OCT/24

• this is the main focus
• have resolved previous issues concerning documentation
• there is still a remaining issue that the results do not make sense. This is being investigated as to whether it is a mistake in the processes or is real

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28/NOV/24

• discussed results with GrahamS who urged looking at any ComCam data
• discussed also with JamesM the potential pipeline issue
• have a meeting with DM to discuss further
• Tim will also discuss with the Astrometry SU
• will delay V&V activity due to the V&V's team involvement with current commissioning

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11/DEC/24

• mtg w/ Astrometry being organised
• mtg w/ DM team took place and went well
• interesting results presented and appreciated
• these are to be followed up on and update in the appropriate Slack channel
• V&V will be spring'25