Previous abstract Next abstract
Session 10 - NICMOS.
Display session, Wednesday, January 07
This paper describes the characteristics of the `dark current' for the NICMOS flight detectors, namely the instrumental signal present in exposures made in the absence of any external illumination. We show how this comprises three distinct components - the shading, amplifier glow, and the true dark current. We then describe a recipe for generating `synthetic' dark current calibration reference files, which could in principle be used to generate darks for any arbitrary sequence of MULTIACCUM reads.
Program listing for Wednesday