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Optimisation of the WEAVE target assignment algorithm

Abstract:
WEAVE is the new wide-field spectroscopic facility for the prime focus of the William Herschel Telescope in La Palma, Spain. Its fibre positioner is essential for the accurate placement of the spectrograph’s ∼ 960-fibre multiplex. To maximise the assignment of its optical fibres, WEAVE uses a simulated annealing algorithm called Configure,1 which allocates the fibres to targets in the field of view. We have conducted an analysis of the algorithm’s behaviour using a subset of mid-tier WL2 fields, and adjusted the priority assignment algorithm to optimise the total fibres assigned per field, and the assignment of fibres to the higher priority science targets. The output distributions have been examined, to investigate the implications for the WEAVE science teams.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1117/12.2627114

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Oxford college:
St Cross College
Role:
Author
ORCID:
0000-0002-3031-2588


More from this funder
Grant:
ST/J005584/1
ST/M002128/1
ST/N006666/1
ST/P003451/1
ST/K005103/1


Publisher:
Society of Photo-optical Instrumentation Engineers
Journal:
Proceedings of SPIE - International Society for Optical Engineering More from this journal
Volume:
12184
Article number:
121846I
Publication date:
2022-08-29
Acceptance date:
2022-06-29
DOI:
EISSN:
1996-756X
ISSN:
0277-786X


Language:
English
Keywords:
Pubs id:
1265995
Local pid:
pubs:1265995
Deposit date:
2022-06-29

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