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Mission Overview

sketch of JWST

Wavelength Coverage

JWST wavelength coverage

The James Webb Space Telescope features a 6.5 meter segmented primary mirror and 4 science instruments, each of which offers a variety of configurations and operating modes for infrared observing.

Active From

Not yet launched.

Resolution 

Varies by instrument and observing mode.  

Capabilities

  • Imaging
  • Spectroscopy
  • Time-Series Observations
  • High Contrast Imaging

For more  information, please refer to the JWST Observer website.

Instruments

MIRI

Mid-InfraRed Instrument 4.9 to 28.8 μm

NIRCam

Near-InfraRed Camera 0.6 to 5 μm

NIRISS

Near-InfraRed Imager and Slitless Spectrograph 0.6 to 5 μm

NIRSpec

Near-InfraRed Spectrograph 0.6 to 5.3 μm

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MIRI
NIRCam
NIRISS
NIRSpec
Imaging X X X  
Integral Field Spectroscopy X     X
Multi-Object Spectroscopy       X
Single-Object and Time-Series Spectroscopy X X X X
Wide-Field Slitless Spectroscopy   X X  
Time-Series Imaging   X    
Coronagraphy X X    
Aperture Masking Interferometry     X  

 

Featured Data Products

JWST data will be available in various stages:

Search Tools

MAST Portal

Search multiple missions using target names or coordinates.

MAST API

Tools for programmatically querying the MAST Portal

exo.MAST

Find MAST data for known planets, objects of interest, or TESS TCE's.

Primary Documents

External Links