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Proceedings Paper

The Gemini secondary mirror tip/tilt system: past, present, and future
Author(s): Christopher J. Carter; Mathew J. Rippa; Roberto Rojas; Michael P. Sheehan
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Paper Abstract

The Gemini Observatory is currently in the early stages of a major upgrade of the Secondary Mirror Tip/tilt Systems (M2TS). Although these systems continue to deliver good fast-steering and chopping performance at both sites, there are persistent and occasionally time-consuming issues that need to be addressed in order for them to deliver their full potential and further reduce downtime. We present an overview of the system, outline its capabilities, and review the early commissioning process and some of the issues encountered. We describe the augmentation of the original system with data logging features which made possible some critical servo tuning work that was key in delivering improved performance. The hardware and software upgrade project to date is discussed, along with a brief overview of items it intends to address.

Paper Details

Date Published: 16 July 2008
PDF: 11 pages
Proc. SPIE 7019, Advanced Software and Control for Astronomy II, 701921 (16 July 2008); doi: 10.1117/12.789960
Show Author Affiliations
Christopher J. Carter, Gemini Observatory (United States)
Mathew J. Rippa, Gemini Observatory (United States)
Roberto Rojas, Gemini Observatory (Chile)
Michael P. Sheehan, Gemini Observatory (United States)


Published in SPIE Proceedings Vol. 7019:
Advanced Software and Control for Astronomy II
Alan Bridger; Nicole M. Radziwill, Editor(s)

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