26 July 2016 The technical CCDs in ESPRESSO: usage, performances, and network requirements
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Abstract
The Echelle Spectrograph for Rocky Exoplanets and Stable Spectral Observations (ESPRESSO) requires active-loop stabilization of the light path from the telescope to the spectrograph, in order to achieve its centimeter-per- second precision goal. This task is accomplished by moving the mirrors placed along the light path by means of piezoelectric actuators. Two cameras are used to acquire the field and pupil images, and the required corrections are dynamically calculated and applied to the piezos. In this paper we will discuss the camera usage, performance and network bandwidth requirements for the ESPRESSO scientific operations.
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G. Calderone, V. Baldini, R. Cirami, I. Coretti, S. Cristiani, P. Di Marcantonio, M. Landoni, D. Mégevand, M. Riva, P. Santin, "The technical CCDs in ESPRESSO: usage, performances, and network requirements", Proc. SPIE 9913, Software and Cyberinfrastructure for Astronomy IV, 99132K (26 July 2016); doi: 10.1117/12.2231650; https://doi.org/10.1117/12.2231650
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