Spectroscopic Modes Spectrum Image

0.4 0.5 0.6 0.7 0.8 0.9 1 1.5 2 3 4 Wavelength (µm) 5 6 7 8 9 10 15 20 30 B V R I J H K L NIRISS NIRCam NIRSpec MIRI MIRI ~100 (@7.5μm) 0.51” x 4.7” 1550 6.7” x 7.7” 2000 5.2” x 6.2” 2650 3.5” x 4.4” 3250 3.0” x 3.9” 250k microshutters 100, 1000, 2700 3.4’ x 3.6’ / 0.2” x 0.46” 100, 1000, 2700 3.0” x 3.0” 100, 1000, 2700 0.2” x 3.3”, 0.4” x 3.65”, 1.6” x 1.6” IFU 1450 2.2’ x 2.2’ 7.8” x 46” 150, 700 2.2’ x 2.2’ FOV λ/Δλ Slit λ/Δλ FOV λ/Δλ FOV/Slit λ/Δλ Slitless Single Slit Multi-Object ~100 (@7.5μm)

Spectroscopic Modes

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The NASA James Webb Space Telescope, developed in partnership with ESA and CSA, is operated by AURA’s Space Telescope Science Institute.