File:Webb Spectra Reach New Milestone in Redshift Frontier.png
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editDescriptionWebb Spectra Reach New Milestone in Redshift Frontier.png |
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 | |
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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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 19:07, 10 December 2022 | 3,840 × 2,856 (3.77 MB) | Nrco0e (talk | contribs) | 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 |
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Vertical resolution | 28.34 dpc |