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NIRISS GR150 Grisms
(JDOX Latest)
The JWST NIRISS GR150C and GR150R grisms produce spectra for wavelengths between 0.8 and 2.2 μm with a resolving power in first order of R ≈ 150. They are used with blocking filters to enable wide field slitless spectroscopy (WFSS)....