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Table 1

Characteristics of OPD detectors used in this work.

Perkin-Elmer
Detector Image size (pixel) Pixel Scale (μm/px)

CCD048 770 × 1152 22.5
CCD098 2048 × 2048 13.5
CCD101 1024 × 1024 24.0
CCD105 2048 × 2048 13.5
CCD106 1024 × 1024 24.0
CCD301 385 × 578 22.0
CCD523 455 × 512 19.0
IKON 2048 × 2048 13.5
IXON 1024 × 1024 13.5

Notes. The plate scale of the telescopes are 13.09′′/mm for Perkin-Elmer, 25.09′′/mm for Boller & Chivens and 27.5′′/mm for Zeiss.

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