AAS 200th meeting, Albuquerque, NM, June 2002
Session 62. HST Instrumentation
Display, Wednesday, June 5, 2002, 10:00am-7:00pm, SW Exhibit Hall

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[62.01] ACS Sensitivity

C. M. Pavlovsky, M. Clampin, G. De Marchi, R. Gilliland, R. Bohlin, J. Mack, G.F. Hartig (Space Telescope Science Institute), M. Sirianni (Johns Hopkins University)

The Advanced Camera for Surveys is comprised of two CCD cameras, the Wide Field Channel(WFC) and the High Resolution Channel(HRC). The sensitivity of each camera was measured by observing the spectrophotometric standard star GD71 in all bandpasses. Data were analyzed using standard photometric software in order to build encircled energy profiles and to provide absolute photometric calibration. We will discuss comparisons to SYNPHOT, the ACS ground calibration throughput models, and to STIS and WFPC2 sensitivity.

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Bulletin of the American Astronomical Society, 34
© 2002. The American Astronomical Soceity.