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10 July 2018 Performance of the first production-ready actuators for the 4MOST-AESOP fiber positioner
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Abstract
In this paper we present recent progress on the Australian Astronomical Observatory’s AESOP2 fiber positioner for 4MOST (on VISTA). As an evolution of the Echidna “spine” technology used for FMOS (on Subaru), AESOP has challenging requirements to position 2,448 fibers in parallel, within 1 minute, to an accuracy of < 10 um RMS. AESOP successfully passed ESO’s official final design review and manufacturing has commenced. We present performance results from the first batch of newly-manufactured positioners and also report on how the AESOP project is tracking in terms of schedule, budget and risk.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Scott Smedley, Gabriella Baker, Sufyan Baker, Scott Case, Rebecca Brown, Jurek Brzeski, Peter Gillingham, Urs Klauser, Jon Lawrence, Slavko Mali, Rolf Muller, Vijay Nichani, Naveen Pai, Sudharshan Venkatesan, and Lew Waller "Performance of the first production-ready actuators for the 4MOST-AESOP fiber positioner", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107027Z (10 July 2018); https://doi.org/10.1117/12.2312863
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