Frequency-based analysis and comparisons of tip-tilt on-sky data registered with 6.5 Magellan Telescope Adaptive Optics (MagAO) system on April and Oct 2014 was performed. Twelve tests are conducted under different operation conditions in order to observe the influence of system instrumentation (such as fans, pumps and louvers). Vibration peaks can be detected, power spectral densities (PSDs) are presented to reveal their presence. Instrumentation-induced resonances, close-loop gain and future challenges in vibrations mitigation techniques are discussed.
Identifer | oai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/622052 |
Date | 27 July 2016 |
Creators | Zúñiga, Sebastián, Garcés, Javier, Close, Laird M., Males, Jared R., Morzinski, Katie M., Escárate, Pedro, Castro, Mario, Marchioni, José, Zagals, Diego |
Contributors | Univ Arizona, Dept Astron, CAAO, Univ Arizona, Steward Observ, Univ. Técnica Federico Santa María (Chile), Univ. Técnica Federico Santa María (Chile), Univ. of Arizona (United States), Univ. of Arizona (United States), Univ. of Arizona (United States), Univ. Técnica Federico Santa María (Chile), Univ. Técnica Federico Santa María (Chile), Univ. Técnica Federico Santa María (Chile), Univ. Técnica Federico Santa María (Chile) |
Publisher | SPIE-INT SOC OPTICAL ENGINEERING |
Source Sets | University of Arizona |
Language | English |
Detected Language | English |
Type | Article |
Rights | © 2016 SPIE |
Relation | http://proceedings.spiedigitallibrary.org/proceeding.aspx?doi=10.1117/12.2232676 |
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