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	Return to ETC Welcome SYNPHOT SNR and Exposure Time SNR Time Optimal SNR Spectroscopy Target Acquisition Basic Use Page Heirarchy Reference Extraction Regions Spectral Distribution User Spectra Other Spectra Extinction Normalization Background CCD Parameters ID Number Calculations SYNPHOT Calls Call Descriptions Call Parameters NICMOS Spectroscopic Extraction Regions Tables Spectral Elements NICMOS Filters NICMOS Dispersers ACS Filters and Dispersers COS Dispersers WFC3 Filters and Dispersers STIS Filters and Dispersers NICMOS Tables COS Tables STIS Tables and Topical Help

NICMOS Disperser Summary

***Table 5.3: Grism Characteristics***
Grism	Resolution per Pixel	Central Wavelength (µm)	Wedge Angle (º)	Bandpass (µm)	Lines per mm
G096	200	0.964	5.219	0.8 - 1.2	45.0
G141	200	1.401	5.5889	1.1 - 1.9	30.8
G206	200	2.058	5.6944	1.4 - 2.5	21.1