Chapter 4:
Distortion Correction and Drizzling of ACS Images
4.1 ACS geometric distortions
4.2 Distortion Table (IDCTAB)
4.2.1 Distortion Model
4.2.2 Format of the IDCTAB file
4.3 PyDrizzle
4.3.1 Association Table Usage
4.3.2 Creating Custom Association Tables
4.3.3 PyDrizzle Syntax
4.4 PyDrizzle Products
Example:
Appendix A
This chapter provides an overview of ACS geometric distortions and describes the new Python software PyDrizzle for correcting distortion in ACS images and for drizzling multiple dithered images. These corrections must be applied before performing photometry or astrometry on any single or associated dataset.
