• Physics
  • Published 2004

Detector Quantum Efficiency and Photometric Zero Points of the ACS

@inproceedings{Marchi2004DetectorQE,
  title={Detector Quantum Efficiency and Photometric Zero Points of the ACS},
  author={Guido de Marchi and Marco Sirianni and Ronald L. Gilliland and Ralph Charles Bohlin and Cheryl M. Pavlovsky and Myungkook James Jee and Jennifer Mack and Francesca R. Boffi},
  year={2004}
}
We present the characterization of the on-orbit sensitivity of the A CS CCDs cameras. Observations of spectrophotometric standard stars have been used to improve the prelaunch sensitivity and detector quantumefficiency. The new values have been implemented in SYNPHOT which is now able to reproduce the observed count rates to within 0.5% in all broad band filters. For all narrow band filters and two broadband filters (F474W and F606W) a correction factor has been applied to the original filter… CONTINUE READING

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