Abstract
ABSTRACTWe analyzed the crosstalks in the new fully depleted CCDs in the Subaru Prime Focus Camera (Suprime-Cam). The effect is evaluated quantitatively using cosmic rays in dark frames. The crosstalk is well approximated by a linear correlation and the coefficient is ∼10-4. The coefficients are not significantly different among the 10 CCDs. We also find that the crosstalk appears not only in the corresponding pixels but also in the next pixel but one. No crosstalk is detected among different CCDs in Suprime-Cam. Based on the analysis, a correction procedure for the crosstalk is presented, and its application to the data is demonstrated.
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