CHAPTER 4
Imaging

Filters & Optical Elements / 39
Image Quality and Focus / 49
NICMOS Aperture Definitions / 62
NICMOS Coordinate System Conventions / 63
Orients / 64

This chapter provides the information needed to construct an imaging proposal. Filter transmission curves are presented. The sensitivity curves and exclusion curves available from the Exposure Time Calculator are described. Instructions and examples for calculating exposure times and signal to noise ratios are provided in Chapter 6.