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Whilst we envisage that most of the proposals submitted in response to this call will be from groups that submitted an EoI, proposals from groups that did not submit an EoI are very welcome. We encourage discussion and collaboration between groups when developing proposals in response to this call, and include a summary of the EoIs submitted in 2020 in Appendix 1 so as to facilitate such discussion.

The text of the Commissioning component of the UK’s in-kind proposal (that was accepted in full by the Rubin Observatory and SITCOM) is also included as Appendix 2, so as to set out the current status of thinking on the UK’s commissioning contribution. Colleagues are strongly encouraged to refer this appendix to gain a sense of how thinking has developed since submission of EoIs in 2020. Some of the key points of general interest in Appendix 2 include:

  • the UK team will work under the ultimate direction of SITCOM;

  • the UK team will comprise a summit team and a remote team, and be coordinated by Graham Smith as the LSST:UK Commissioning Coordinator;

  • up to ~50% of the funding available through this call is ear-marked for senior members of the remote team (Will Sutherland and Gavin Dalton) that SITCOM leadership has already identified as high priority UK contributors;

  • the precise levels and mix of funding across the UK team are not fixed, and will be determined through the process initiated by this call for proposals.

SITCOM colleagues recently published guidance on the scope of value added community contributions to commissioning that they seek (see Appendix 3 to this call). This new guidance is much more extensive than was available when the UK call for EoI was published in 2020. We encourage colleagues to review Appendix 3 as they formulate detailed proposals in response to this call, regardless of whether they submitted an EoI in 2020.

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This is an opportunity to become fully integrated members of the SITCOM team, and thus to benefit from the rights and to fulfill the responsibilities of SITCOM team members. Full details of the rights and responsibilities of SITCOM team members were published in the US/Chile Announcement of Opportunity discussed below, and are included as Appendix 4 to this call, for convenience. We draw attention to the important matters relating to on-summit working, data access, publication policy, and management structure. Colleagues are strongly encouraged to read Appendix 4 before submitting their proposal. Formal confirmation that individuals agree to comply with these rights and responsibilities is expected to take place when the Memorandum of Understanding of UK contributions to commissioning is signed.

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This call runs in parallel with a similar opportunity for the US and Chilean communities that is the focus of a separate Announcement of Opportunity (AO). UK colleagues may come across that AO through their involvement in their respective Science Collaborations. International partners are not eligible to apply through the US/Chile AO. This is because the US/Chile AO extends the opportunity to join SITCOM that has effectively been available to international partners through the in-kind process, and of which this UK call for proposals is part. Nevertheless, we are collaborating with US colleagues to ensure that the US/Chile AO and this UK call are synchronised and consistent to the extent possible and that makes sense. For example, the detailed information in Appendices 3 and 4 comes from the US/Chile AO.

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Chris Collins (Liverpool JMU; c.a.collins@ljmu.ac.uk)

  • Recovery of the intra cluster light in galaxy clusters

Gavin Dalton (Oxford and RAL; gbd@astro.ox.ac.uk)

  • Hands-on camera-telescope commissioning including WFS calibrations

Hugh Dickinson (Open University; hugh.dickinson@open.ac.uk)

  • Integrating LSST commissioning data with the ESCAPE Science Analysis Platform (ESAP)

  • Applying Citizen Science and machine learning to Rubin’s commissioning and early survey data

  • Visual inspection of engineering data with Citizen Science

Isobel Hook (Lancaster; i.hook@lancaster.ac.uk)

  • Commissioning the transient alert stream process for LSST

Helen Jermak (Liverpool JMU; h.e.jermak@ljmu.ac.uk)

  • On-summit commissioning support, bringing experience of autonomous scheduling and commissioning to short timescales

Tanmoy Laskar (Bath; tanmoylaskar@gmail.com)

  • Deploying machine learning techniques to test commissioning data

Nicola Laporte (Cambridge; nl408@cam.ac.uk)

  • Testing and improving software for design of observations and data reduction, and on-summit support of commissioning observations

Jon Loveday (Sussex; j.loveday@sussex.ac.uk)

  • Data quality tests via the Limber scaling relation, building on APM and HSC experience

Matt Nicholl (Birmingham; mnicholl@star.sr.bham.ac.uk)

  • Testing machine learning algorithms for fast classification of LSST transients

James Mullaney (Sheffield; j.mullaney@sheffield.ac.uk)

  • Data quality checks on commissioning data including photometry, astrometry, and PSF characterization

Cyrielle Opitom (Edinburgh; copi@roe.ac.uk)

  • On-summit commissioning support and analysis of commissioning data

Paul Giles and Kathy Romer (Sussex; p.a.giles@sussex.ac.uk, romer@sussex.ac.uk)

  • Eyeballing of on-sky commissioning data building on tools and experience from DES, plus on-summit support

Stephen Serjeant (Open University; stephen.serjeant@open.ac.uk)

  • Deep learning CNNs for exotic strong lens finding

  • Cross-correlating LSST DR2 commissioning data with super-resolved Herschel survey data

Graham Smith (Birmingham; gps@star.sr.bham.ac.uk), Aprajita Verma (Oxford), Tom Collett (Portsmouth), plus SLSC and DESC-SLWG colleagues

  • Strong lenses as challenging scientific use cases for testing Rubin active optics and delivered seeing in commissioning

Will Sutherland (Queen Mary University of London; w.j.sutherland@qmul.ac.uk)

  • Commissioning of wavefront sensor subsystems, bringing similar experience from VISTA project scientist role including hands-on commissioning (2000-2009)

Tom Wilson and Tim Naylor (Exeter; t.j.wilson@exeter.ac.uk)

  • Assessing the accuracy of LSST astrometry

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