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APT Exposure Time Calculator Details

As of July 15, 2003, we provide a new improved version of the ACS ETCs. For details on the new ETCs and the tests we performed on them, see ACS ISR 2003-08 Baseline Tests for the Advanced Camera for Surveys Astronomer's Proposal Tool Exposure Time Calculator by Boffi et al. The list of improvements with respect to the previously available ETCs is:

***New modes:

***Enhancements of already existing modes: