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Dark measurement as an OPERATION

Asking for a DARK in the Operation list offers a choice between 5 fixed procedures, providing increasing levels of dark measurement accuracy, given (in ADUs for gain

2) in Tables

and

. The accuracy does not change with

, but, since the dark frame must be measured with the same

as the observation, the time penalty is

. In addition, for the SW channel, a FAST-RAZ procedure is automatically applied by the system.

Figure: SW Dark frame

Figure: LW Dark frame

ISOCAM Observer's Manual - V1.0
Tue Oct 31 12:06:23 MET 1995