File:Two extremely distant active supermassive black holes (NIRSpec MSA emission spectra) (CEERS4).jpg
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DescriptionTwo extremely distant active supermassive black holes (NIRSpec MSA emission spectra) (CEERS4).jpg |
English: Researchers using data and images from the James Webb Space Telescope have already captured two of the smallest known supermassive black holes in the early Universe.Webb’s spectra show that these black holes weigh only 10 million times the mass of the Sun. Other very distant supermassive black holes we’ve known about for decades are over 1 billion times the mass of the Sun. These two are so small that they are closer to the size of Sagittarius A*, the supermassive black hole at the centre of our Milky Way galaxy, which is 4.6 million times the mass of the Sun. Unmistakable signatures of the distances to their host galaxies are in each spectrum above: Three lines appear in the same order – one hydrogen line followed by two ionised oxygen lines. Where this pattern falls reveals the redshift of the two targets, showing researchers how long ago their light was emitted.The first spectrum proves black hole CEERS 2782 existed only 1.1 billion years after the big bang, emitting its light 12.7 billion years ago. Webb’s data also show it is clear of dust. The second, CEERS 746, existed slightly earlier, 1 billion years after the big bang, but its bright accretion disk is still partially clouded by dust. The researchers found this pair of extremely distant black holes while carefully reviewing images from the CEERS Survey – and followed up to learn their precise makeup with Webb’s microshutter array aboard NIRSpec (its Near-Infrared Spectrograph), which produced the definitive spectra above. Webb was immediately able to clearly detail some of the most distant black holes yet known, which has already opened a vast new region of research.These black holes existed toward the end of the Era of Reionization, when the universe was cast in a dense “fog.” With its infrared observations, Webb can capture plenty of light from objects that existed during this period, which is why researchers are so excited to continue reviewing the CEERS data.NIRSpec was built for the European Space Agency (ESA) by a consortium of European companies led by Airbus Defence and Space (ADS) with NASA’s Goddard Space Flight Centre providing its detector and micro-shutter subsystems.[Image description: The graphic shows the redshift of two active supermassive black holes. At top right is the complete NIRCam image of the field. To its left is a large, continuous pull out, labelled NIRCam imaging, which shows the locations of two objects, with open white boxes. The image is filled with galaxies of different colours, shapes, and sizes. Two white lines from the image connect to pull outs that run to the left of two graphs at the bottom. In the inset images are blurry red dots. To the right are two line graphs corresponding to the two highlighted black holes. They show the shift in the position of emission lines.] |
Date | 6 July 2023 (upload date) |
Source | Two extremely distant active supermassive black holes (NIRSpec MSA emission spectra) |
Author | NASA, ESA, CSA, Leah Hustak (STScI), S. Finkelstein (UT Austin), R. Larson (UT Austin), P. Arrabal Haro (NSF's NOIRLab) |
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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, Leah Hustak (STScI), S. Finkelstein (UT Austin), R. Larson (UT Austin), P. Arrabal Haro (NSF's NOIRLab)
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current | 10:01, 7 July 2023 | 15,993 × 15,931 (15.43 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://cdn.esawebb.org/archives/images/large/CEERS4.jpg via Commons:Spacemedia |
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Source | ESA/Webb |
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Credit/Provider | NASA, ESA, CSA, Leah Hustak (STScI), S. Finkelstein (UT Austin), R. Larson (UT Austin), P. Arrabal Haro (NSF's NOIRLab) |
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Date and time of data generation | 16:00, 6 July 2023 |
Software used | GIMP 2.10 |
Unique ID of original document | uuid:65E6390686CF11DBA6E2D887CEACB407 |
Date and time of digitizing | 09:18, 6 June 2023 |
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ESA Office, Space Telescope Science Institute, 3700 San Martin Dr Baltimore, MD, 21218 United States |
IIM version | 4 |