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arxiv: 1703.04836 · v1 · pith:DGL65ZB3new · submitted 2017-03-14 · 🌌 astro-ph.IM

Characterizing a CCD detector for astronomical purposes: OAUNI Project

Antonio Pereyra (1) , Maria I. Zevallos (2 , 3) , Jose Ricra (2) , Julio C. Tello (2) ((1) Instituto Geofisico del Peru , Area Astronomia , Lima , Peru (2) Grupo Astronomia
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Facultas de Ciencias Univ. Nacional de Ingenieria - UNI Peru (3) Facultad de Ingenieria Quimica ty Textil UNI)
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keywords detectorastronomicalextremelygainlinearnoisepurposesreadout
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This work verifies the instrumental characteristics of the CCD detector which is part of the UNI astronomical observatory. We measured the linearity of the CCD detector of the SBIG STXL6303E camera, along with the associated gain and readout noise. The linear response to the incident light of the detector is extremely linear (R2 =99.99%), its effective gain is 1.65 +/- 0.01 e-/ADU and its readout noise is 12.2 e-. These values are in agreement with the manufacturer. We confirm that this detector is extremely precise to make measurements for astronomical purposes.

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