Imaging, Spectroscopic, High-Contrast, and Interferometric Instrumentation

IO:I, a near-infrared camera for the Liverpool Telescope

[+] Author Affiliations
Robert M. Barnsley, Helen E. Jermak, Iain A. Steele, Robert J. Smith, Stuart D. Bates, Chris J. Mottram

Liverpool John Moores University, Astrophysics Research Institute, 146 Brownlow Hill, Liverpool L3 5RF, United Kingdom

J. Astron. Telesc. Instrum. Syst. 2(1), 015002 (Mar 04, 2016). doi:10.1117/1.JATIS.2.1.015002
History: Received June 26, 2015; Accepted January 22, 2016
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Abstract.  IO:I is a new instrument that has recently been commissioned for the Liverpool Telescope, extending current imaging capabilities beyond the optical and into the near-infrared. Cost has been minimized by the use of a previously decommissioned instrument’s cryostat as the base for a prototype and retrofitting it with Teledyne’s 1.7-μm cutoff Hawaii-2RG HgCdTe detector, SIDECAR ASIC controller, and JADE2 interface card. The mechanical, electronic, and cryogenic aspects of the cryostat retrofitting process will be reviewed together with a description of the software/hardware setup. This is followed by a discussion of the results derived from characterization tests, including measurements of read noise, conversion gain, full well depth, and linearity. The paper closes with a brief overview of the autonomous data reduction process and the presentation of results from photometric testing conducted on on-sky, pipeline processed data.

© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Robert M. Barnsley ; Helen E. Jermak ; Iain A. Steele ; Robert J. Smith ; Stuart D. Bates, et al.
"IO:I, a near-infrared camera for the Liverpool Telescope", J. Astron. Telesc. Instrum. Syst. 2(1), 015002 (Mar 04, 2016). ; http://dx.doi.org/10.1117/1.JATIS.2.1.015002


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