SPARC4 control system
Denis Bernardes, Orlando Verducci Junior, Francisco Rodrigues, Claudia, Vilega Rodrigues, Luciano Fraga, Eder Martioli, Clemens D. Gneiding, Andr\'e, Luiz de Moura Alves, Juliano Rom\~ao, Laerte Andrade, Leandro de Almeida, Ana, Carolina Mattiuci, Flavio Felipe Ribeiro

TL;DR
The paper details the development and testing of a comprehensive control system for the SPARC4 astronomical instrument, enabling simultaneous photometric and polarimetric observations across four bands with optimized timing performance.
Contribution
It introduces a novel integrated control system for SPARC4, including software and hardware components, and evaluates its performance in photometric and polarimetric modes.
Findings
Allows acquisition of 1400 images with 4.5 ms deadtime in photometric mode
Achieves 1.41 s deadtime in polarimetric mode for measurements
Provides configurable readout times from 5.9 ms to 1.24 s
Abstract
SPARC4 is a new astronomical instrument developed entirely by Brazilian institutions, currently installed on the 1.6-m Perkin-Elmer telescope of the Pico dos Dias Observatory. It allows the user to perform photometric or polarimetric observations simultaneously in the four SDSS bands (g, r, i, and z). In this paper, we describe the control system developed for SPARC4. This system is composed of S4ACS, S4ICS, and S4GUI softwares and associated hardware. S4ACS is responsible for controlling the four EMCCD scientific cameras (one for each instrument band). S4ICS controls the sensors and motors responsible for the moving parts of SPARC4. Finally, S4GUI is the interface used to perform observations, which includes the choice of instrument configuration and image acquisition parameters. S4GUI communicates with the instrument subsystems and with some observatory facilities, needed during the…
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Taxonomy
TopicsMedical Imaging and Pathology Studies · Fluid Dynamics Simulations and Interactions · Plasma Diagnostics and Applications
