File:Lyman-α emitting galaxy EGSY8p7 (NIRCam image) (weic2402b).jpg
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[edit]DescriptionLyman-α emitting galaxy EGSY8p7 (NIRCam image) (weic2402b).jpg |
English: This image shows the galaxy EGSY8p7, a bright galaxy in the early Universe where light emission is seen from, among other things, excited hydrogen atoms — Lyman-α emission. Webb’s high sensitivity picks out this distant galaxy along with its two companion galaxies, where previous observations saw only one larger galaxy in its place.This discovery of a cluster of interacting galaxies sheds light on the mystery of why the hydrogen emission from EGSY8p7, shrouded in neutral gas formed after the Big Bang, should be visible at all. Astronomers have concluded that the intense star-forming activity within these interacting galaxies energised hydrogen emission and cleared swathes of gas from their surroundings, allowing the unexpected hydrogen emission to escape.This close-up view of EGSY8p7 has been newly processed, making use of NIRCam data captured with seven different near-infrared filters.[Image Description: A close-in view of three neighbouring galaxies. They appear as coloured blobs with bright, distinct cores. The image is mostly black, with a few unrelated galaxies visible nearby.] |
Date | 18 January 2024 (upload date) |
Source | Lyman-α emitting galaxy EGSY8p7 (NIRCam image) |
Author | ESA/Webb, NASA & CSA, C. Witten, M. Zamani (ESA/Webb) |
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[edit]ESA/Webb images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the webbtelescope.org website, use the {{PD-Webb}} tag.
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This file is licensed under the Creative Commons Attribution 4.0 International license.
Attribution: ESA/Webb, NASA & CSA, C. Witten, M. Zamani (ESA/Webb)
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current | 10:00, 18 January 2024 | 1,244 × 1,244 (83 KB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://cdn.esawebb.org/archives/images/large/weic2402b.jpg via Commons:Spacemedia |
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Source | ESA/Webb |
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Credit/Provider | ESA/Webb, NASA & CSA, C. Witten, M. Zamani (ESA/Webb) |
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Date and time of data generation | 11:00, 18 January 2024 |
Software used | Adobe Photoshop 25.0 (Windows) |
File change date and time | 03:31, 17 November 2023 |
Date and time of digitizing | 11:18, 14 November 2023 |
Date metadata was last modified | 04:31, 17 November 2023 |
Unique ID of original document | xmp.did:f237aa7b-7549-3544-ac22-a6b0e89b60c1 |
Keywords | EGSY8p7 |
Contact information |
ESA Office, Space Telescope Science Institute, 3700 San Martin Dr Baltimore, MD, 21218 United States |
IIM version | 4 |