On-ground characterization of the Euclid's CCD273-based readout chain

Magdalena Szafraniec; R. Azzollini; M. Cropper; S. Pottinger; A. Khalil; M. Hailey; D. Hu; C. Plana; A. Cutts; T. Hunt; R. Kohley; D. Walton; C. Theobald; R. Sharples; J. Schmoll; P. Ferrando

doi:10.1117/12.2232922

27 July 2016 On-ground characterization of the Euclid's CCD273-based readout chain

Magdalena Szafraniec, R. Azzollini, M. Cropper, S. Pottinger, A. Khalil, M. Hailey, D. Hu, C. Plana, A. Cutts, T. Hunt, R. Kohley, D. Walton, C. Theobald, R. Sharples, J. Schmoll, P. Ferrando

Author Affiliations +

Proceedings Volume 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII; 991510 (2016) https://doi.org/10.1117/12.2232922
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Euclid is a medium class European Space Agency mission scheduled for launch in 2020. The goal of the survey is to examine the nature of Dark Matter and Dark Energy in the Universe. One of the cosmological probes used to analyze Euclid’s data, the weak lensing technique, measures the distortions of galaxy shapes and this requires very accurate knowledge of the system point spread function (PSF). Therefore, to ensure that the galaxy shape is not affected, the detector chain of the telescope’s VISible Instrument (VIS) needs to meet specific performance performance requirements. Each of the 12 VIS readout chains consisting of 3 CCDs, readout electronics (ROE) and a power supply unit (RPSU) will undergo a rigorous on-ground testing to ensure that these requirements are met. This paper reports on the current status of the warm and cold testing of the VIS Engineering Model readout chain. Additionally, an early insight to the commissioning of the Flight Model calibration facility and program is provided.

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Magdalena Szafraniec, R. Azzollini, M. Cropper, S. Pottinger, A. Khalil, M. Hailey, D. Hu, C. Plana, A. Cutts, T. Hunt, R. Kohley, D. Walton, C. Theobald, R. Sharples, J. Schmoll, and P. Ferrando "On-ground characterization of the Euclid's CCD273-based readout chain", Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 991510 (27 July 2016); https://doi.org/10.1117/12.2232922

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