Space Telescope Science Institute   6.1 NICMOS Aperture Definitions  6.3 Orients

6.2 NICMOS Coordinate System Conventions


Figure 6.1 shows how the NICMOS cameras are arranged in the HST field of view. The alignment of each camera is not exact, and the internal coordinate systems attached to each of them differ by small rotations (< 1 degree). The FITS format data files generated for NICMOS observers will have a World Coordinate System specified appropriately for each camera. The adopted coordinate system for all three cameras is summarized in Figure 6.1.

Figure 6.1: Common NICMOS Coordinate System.

 

 6.1 NICMOS Aperture Definitions  6.3 Orients
Space Telescope Science Institute
http://www.stsci.edu
Voice: (410) 338-1082
help@stsci.edu