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Summary

Description	English: The JWST Advanced Deep Extragalactic Survey (JADES) focused on the area in and around the Hubble Space Telescope’s Ultra Deep Field. Using Webb’s NIRCam instrument, scientists observed the field in nine different infrared wavelength ranges. From these images (shown at left), the team searched for faint galaxies that are visible in the infrared but whose spectra abruptly cut off at a critical wavelength known as the Lyman break. Webb’s NIRSpec instrument then yielded a precise measurement of each galaxy’s redshift (shown at right). Four of the galaxies studied are particularly special, as they were revealed to be at an unprecedentedly early epoch. These galaxies date back to less than 400 million years after the big bang, when the universe was only 2% of its current age. In the background image blue represents light at 1.15 microns (115W), green is 2.0 microns (200W), and red is 4.44 microns (444W). In the cutout images blue is a combination of 0.9 and 1.15 microns (090W+115W), green is 1.5 and 2.0 microns (150W+200W), and red is 2.0, 2.77, and 4.44 microns (200W+277W+444W).
Date	9 December 2022
Source	https://webbtelescope.org/contents/media/images/01GKRX20YPY9XSXRWX31H57P2A
Author	IMAGE: NASA, ESA, CSA, M. Zamani (ESA/Webb), Leah Hustak (STScI) SCIENCE: Brant Robertson (UC Santa Cruz), S. Tacchella (Cambridge), E. Curtis-Lake (UOH), S. Carniani (Scuola Normale Superiore), JADES Collaboration

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:07, 10 December 2022		3,840 × 2,856 (3.77 MB)	Nrco0e	Uploaded a work by IMAGE: NASA, ESA, CSA, M. Zamani (ESA/Webb), Leah Hustak (STScI) SCIENCE: Brant Robertson (UC Santa Cruz), S. Tacchella (Cambridge), E. Curtis-Lake (UOH), S. Carniani (Scuola Normale Superiore), JADES Collaboration from https://webbtelescope.org/contents/media/images/01GKRX20YPY9XSXRWX31H57P2A with UploadWizard

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Horizontal resolution	28.34 dpc
Vertical resolution	28.34 dpc