James Webb Space Telescope’s NIRISS Instrument Knocked Offline

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Artist conception of the James Webb Space Telescope. Credit: NASA GSFC/CIL/Adriana Manrique Gutierrez

(Click image for view of full infographic.) The Near-Infrared Imager and Slitless Spectrograph (NIRISS) is one of Webb’s four scientific instruments. NIRISS provides near-infrared imaging and spectroscopic capabilities. As the only instrument capable of aperture mask interferometry, NIRISS has the unique ability to capture images of bright objects at a resolution greater than the other imagers. NIRISS is a contribution of the Canadian Space Agency. Honeywell International designed and built the instrument in collaboration with a team at the Université de Montréal. Additional technical support was provided by the National Research Council of Canada’s Herzberg Astronomy and Astrophysics Research Centre. Credit: NASA, ESA, Andi James (STScI)

NIRISS Wavelength Range NIRISS is designed to capture light ranging in wavelength from 0.6 microns (visible red) to 5 microns (mid-infrared).