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RINGO2: an EMCCD-based polarimeter for GRB followup

Steele, IA and Bates, SD and Guidorzi, C and Mottram, CJ and Mundell, CG and Smith, RJ (2010) RINGO2: an EMCCD-based polarimeter for GRB followup. In: GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY III , 7735. (Ground-based and Airborne Instrumentation for Astronomy III, 27th June - 2nd July 2010, San Diego, CA).

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Abstract

We describe the design and construction of a new novel optical polarimeter (RINGO2) for the Liverpool Telescope. The instrument is designed for rapid (< 3 minute) followup observations of Gamma Ray Bursts in order to measure the early time polarization and time evolution on timescales of ~ 1 - 10000 seconds. By using a fast rotating Polaroid whose rotation is synchronized to control the readout of an electron multiplying CCD eight times per revolution, we can rebin our data in the time domain after acquisition with little noise penalty, thereby allowing us to explore the polarization evolution of these rapidly variable objects for the first time.
© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Science & Technology; Physical Sciences; Technology; Astronomy & Astrophysics; Instruments & Instrumentation; Optics; robotic telescopes; gamma ray bursts; polarimeters; astronomical instrumentation; GAMMA-RAY BURST; 28 FEBRUARY 1997; LIVERPOOL-TELESCOPE; OPTICAL-EMISSION; AFTERGLOW
Subjects: Q Science > QB Astronomy
Divisions: Astrophysics Research Institute
Publisher: SPIE-INT SOC OPTICAL ENGINEERING
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Date Deposited: 18 Apr 2016 11:37
Last Modified: 18 Apr 2016 11:37
DOI or Identification number: 10.1117/12.856842
Editors: McLean, IS and Ramsay, SK and Takami, H
URI: http://researchonline.ljmu.ac.uk/id/eprint/3444

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