AAS 200th meeting, Albuquerque, NM, June 2002
Session 24. HST - ACS Early Results and Galaxy Clusters
Oral, Monday, June 3, 2002, 2:00-3:30pm, Ballroom C

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[24.03] Faint galaxies in deep ACS observations

N. Benitez, C. Gronwall (JHU), R. Bouwens (UC Santa Cruz), N. Cross, J. Blakeslee, G. Meurer, H. Ford (JHU), G. Illingworth (UC Santa Cruz), M. Postman (STScI), Z. Tsvetanov, A. Martel, H. D. Tran (JHU), M. Franx (Leiden Observatory)

One of the main scientific goals of the Advanced Camera for Surveys (ACS), installed aboard the Hubble Space Telescope in March 2002, is the study of faint, distant galaxies. The ACS Wide Field Channel (ACS/WFC) is a high throughput camera (45% at 700 nm) with a 3.4'x3.4' field of view and a 0.05 pixel scale. We describe the performance of the ACS/WFC for faint galaxy detection and photometry using some of the early deep ACS observations, and compare it with WFPC2. We also discuss some preliminary results on high-z galaxies detected in these fields.

This work was supported by a NASA contract and a NASA grant.

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