File:Kilonova emission spectrum (weic2325d).jpg
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[edit]DescriptionKilonova emission spectrum (weic2325d).jpg |
English: This graphic presentation compares the spectral data of GRB 230307A’s kilonova as observed by the James Webb Space Telescope and a kilonova model. Both show a distinct peak in the region of the spectrum associated with tellurium, with the area shaded in red. The detection of tellurium, which is rarer than platinum on Earth, marks Webb’s first direct look at an individual heavy element from a kilonova.Though astronomers have theorised neutron star mergers to be the ideal environment to create chemical elements, including some that are essential to life, these explosive events—known as kilonovas—are rare and rapid. Webb’s NIRSpec (Near-Infrared Spectrograph) acquired a spectrum of GRB 230307A’s kilonova, helping scientists secure evidence of the synthesis of heavy elements from neutron star mergers.With Webb’s extraordinary ability to look further into space than ever before, astronomers expect to find even more kilonovas and acquire further evidence of heavy element creation.[Image description: The spectrum is plotted as a line graph of brightness versus wavelength of light (microns). The spectral lines range in wavelength of light along the x-axis, with the first tic labelled as “1.0” and the last tic labelled as “5.0,” and in brightness, with the level of brightness becoming greater moving higher along the y-axis. The Webb spectral line is white and jagged. About a third of the way across the graph, there is a distinct peak between 2.0 and 2.5 microns. After 2.5 microns, the spectral line slopes gradually up to the right. The model spectral line is red and smoother than the Webb data. The model’s spectral line at 1.0 micron begins low (dim) and flat before peaking between 2.0 and 2.5 microns, similar to the Webb data. The area below the model spectral line is shaded red and labelled “Tellurium T E.” The model spectral line then descends after 2.5 microns and follows the general trend of the Webb data.] |
Date | 25 October 2023 (upload date) |
Source | Kilonova emission spectrum |
Author | NASA, ESA, CSA, J. Olmsted (STScI) |
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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: NASA, ESA, CSA, J. Olmsted (STScI)
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Author | Space Telescope Science Institute Office of Public Outreach |
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Source | ESA/Webb |
Credit/Provider | NASA, ESA, CSA, J. Olmsted (STScI) |
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Date and time of data generation | 17:00, 25 October 2023 |
JPEG file comment | This graphic presentation compares the spectral data of GRB 230307A’s kilonova as observed by the James Webb Space Telescope and a kilonova model. Both show a distinct peak in the region of the spectrum associated with tellurium, with the area shaded in red. The detection of tellurium, which is rarer than platinum on Earth, marks Webb’s first direct look at an individual heavy element from a kilonova. Though astronomers have theorized neutron star mergers to be the ideal environment to create chemical elements, including some that are essential to life, these explosive events—known as kilonovas—are rare and rapid. Webb’s NIRSpec (Near-Infrared Spectrograph) acquired a spectrum of GRB 230307A’s kilonova, helping scientists secure evidence of the synthesis of heavy elements from neutron star mergers. With Webb’s extraordinary ability to look further into space than ever before, astronomers expect to find even more kilonovas and acquire further evidence of heavy element creation. |
Software used | Adobe Photoshop 24.7 (Macintosh) |
File change date and time | 12:08, 21 September 2023 |
Date and time of digitizing | 10:10, 30 August 2022 |
Date metadata was last modified | 09:45, 21 September 2023 |
Unique ID of original document | xmp.did:61ecf4b3-bb93-4f63-868b-724431683d65 |
Copyright status | Copyright status not set |
Keywords | GRB 230307A |
Contact information | outreach@stsci.edu
ESA Office, Space Telescope Science Institute, 3700 San Martin Dr Baltimore, MD, 21218 United States |
IIM version | 4 |
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687c67d957590c0193511b673f1c4023720fd478
25 October 2023
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