Ultrastable operation of detectors for high-resolution spectrographs

Antonio Manescau; Marco Gullieuszik; Olaf Iwert; Hans Dekker; Jean-Louis Lizon; Gaspare Lo Curto; Peter Sinclaire; Filippo Maria Zerbi; Gerd Jakob; Dario Sosa; Paola Amico; Luca Pasquini

doi:10.1117/12.856829

20 July 2010 Ultrastable operation of detectors for high-resolution spectrographs

Antonio Manescau, Marco Gullieuszik, Olaf Iwert, Hans Dekker, Jean-Louis Lizon, Gaspare Lo Curto, Peter Sinclaire, Filippo Maria Zerbi, Gerd Jakob, Dario Sosa, Paola Amico, Luca Pasquini

Author Affiliations +

Proceedings Volume 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation; 77394C (2010) https://doi.org/10.1117/12.856829
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

High resolution spectroscopy demands detector operation in an extremely stable mechanical and thermal environment; any tiny perturbation may affect the location of the detected spectral lines, affecting the instrument global performance. The detector stability has been identified currently as one of the limiting factors to improve radial velocity measurements accuracy, at the sub m/s level, and an activity focused in the performance understanding of the detector system and how to improve those has been developed. HARPS detector system has been adopted as baseline and the results obtained in a test campaign are described; next activities in the development to improve detector system performance are highlighted, concluding with the information gathered for setting up radial velocity error budgets for the next generation of ESO high stability and high resolution spectrographs.

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Antonio Manescau, Marco Gullieuszik, Olaf Iwert, Hans Dekker, Jean-Louis Lizon, Gaspare Lo Curto, Peter Sinclaire, Filippo Maria Zerbi, Gerd Jakob, Dario Sosa, Paola Amico, and Luca Pasquini "Ultrastable operation of detectors for high-resolution spectrographs", Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 77394C (20 July 2010); https://doi.org/10.1117/12.856829

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KEYWORDS

Sensors

Spectrographs

Charge-coupled devices

Calibration

Sensor performance

Detector development

Velocity measurements

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