A team of scientists using the James Webb Space Telescope has released the largest image ever taken by the telescope. The image is a mosaic of 690 individual frames taken with the telescope’s near-infrared camera (NIRCam) and covers an area of sky eight times the size of JWST’s first deep field image was released on July 12. And it’s just full of amazing early galaxies, many of which have never been seen before. In addition, the team may have imaged one of the most distant galaxies observed so far.
Scientists from Early Cosmic Evolution Scientific Publication Survey (CEERS) Cooperation, said the mosaic from a spot of sky near the handle of the Big Dipper. The images were taken as part of the CEERS team’s first observations, which are working to demonstrate that JWST can be used efficiently to conduct extragalactic surveys, even while the telescope is making other observations.
“This is the first epoch of our observations,” said team member and astrophysicist Rebecca Larson. on Twitter. “We are less than halfway through our full survey, and our data has already led to new discoveries and an unexpected, but not unwelcome, abundance of never-before-seen galaxies.”
in Blog post on CEERSLarson added that he encouraged everyone to open the high-resolution images, available here, To zoom in and explore. But a warning, the higher-resolution versions of the images are huge, and it doesn’t really work to look at them on screens as small as a phone.
“The sheer number of galaxies we’ve captured so far is amazing!” Larson said.
In the large mosaic, there are a few noticeable galaxies seen in the interior of the image above. The first is a spiral galaxy at a redshift of z = 0.16. JWST imaging resolution reveals a large number of blue star-forming clumps and star clusters.
There is also an interacting system of galaxies at redshift 1.4, which the CEERS team has dubbed “Space Kraken,” as well as two interacting spiral galaxies at redshift z = 0.7. The image below shows those galaxies as well as something unique: the arrow points to what is likely the first supernova detected using JWST images.
Other insets show a stunning spiral galaxy, which the team says highlights JWST’s ability to resolve small features even for distant galaxies, as well as a galaxy alignment with a tidal tail and cluster of red galaxies.
Scientists at the CEERS Collaboration have identified an object — named the Macy’s Galaxy in honor of project leader Stephen Finkelstein’s daughter — that may be one of the oldest galaxies ever observed. While the result is awaiting confirmation, the team put paper on it. An unprecedented redshift galaxy, and would be older than SMACS 0723, Previously photographed by JWST. Astronomers believe that JWST sees that galaxy 300 million years after the Big Bang. However, if the Maisie galaxy is confirmed, it is possible that it formed in just 290 million years after the Big Bang. This was during a period called the era of re-ionization when the first stars were turned on when hydrogen began to ionize, allowing the first light to shine through the universe.
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