Chapter 2:
ACS Data Structure
2.1 ACS File Structure
2.2 Types of ACS Files
2.2.1 Data Files and Suffixes
2.2.2 Association Tables
2.2.3 Trailer Files
2.3 Data Storage Requirements
2.4 Headers and Keywords
2.5 Quicklook PDF Products
Visit-level Pages
Exposure-level Pages
This chapter describes how ACS observations are stored as data files, describes ACS associations, and provides a list of FITS file header keywords.
