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Large Frame Transfer Detectors for the MAIA imager

Large Frame Transfer Detectors for the MAIA imager Jesús Pérez Padilla 1,2 , Simon Tulloch 3 , Gert Raskin 2 , Saskia Prins 1,2 , Florian Merges 1,2

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Large Frame Transfer Detectors for the MAIA imager

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  1. Large Frame Transfer Detectors for the MAIA imager JesúsPérez Padilla1,2, Simon Tulloch3, Gert Raskin2, Saskia Prins1,2, Florian Merges1,2 1Mercator Telescope, Roque de los Muchachos observatory, La Palma, Canary Islands, Spain 2 InstituutvoorSterrenkunde, KU Leuven, 3001 Leuven, Belgium 3QUCAM, Cádiz, Spain Mercator Telescope Institute of Astronomy Acquisitionsystem ARC GEN-III controller. Two ARC-45 Video boards, and two ARC-32 Clock Driver boards Frametransferdetectors 2048x6144 13.5µmpixels.2k x 3k imaging area, and 2k x 3k storage area. MAIA Mercator Adv. Instr.forAteroseismology 3-channel (SDSS u’, g’, r’ bands). Linearitystudyandoptimization Detectors showed a non-linear behavior at lower levels of signal. Problem was solved by controller timing code optimization, aided by an accurate method for photometric analysis. Read-out characteristics System uses the FTcharacteristic to allow different exposure times for the three channels. Linearity down to very low signal levels (<10 ADU) R U G Gain error ≈ ±5%

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