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Credit: ESA/Webb/NASA/CSA/g. Östlin, PG Perez-Gonzalez, J. Melindder, The Jodes Collaboration, M. Zamani (ESA/Webb).
The James Webb Space Telescope returned to one of the scenes of Hablo’s space telescope, especially deep fields, to capture the galaxies throughout the cosmic history.
This new image was made as part of the JWST advanced deep extragalactic study (Jades), which intends to continue to investigate infrared lighting two sky patches, initially depicted by Hablas: Hablo’s deep field (1995) and Habble Ultra Deep Field (2004).
The deep fields were the most intense Hablo rapidly into the universe, revealing the weakest galaxies in the highest red displacements that Hablas could see, galaxy that existed more than 13 billion years ago and whose light had traveled throughout that time. First of all, Habble Ultra Deep Field has been viewed several times by Hablas, 2009, 2012 and 2014, using almost infrared channels on a wide outdoor camera 3.
The new JWST and the Central Infrared Hablo Space Telescope Classic Ultra Deep field. | Credit: ESA/Webb/NASA/CSA/g. Östlin, PG Perez-Gonzalez, J. Melindder, The Jades Collaboration, M. Zamani (ESA/Webb).
But Hablas can only see so far. In the greatest red displacement corresponding to the galaxy we see when they existed over several hundred million years after the Great Bang, the visible light is stretched into the infrared wavelength, which exceeds the ability of Hablo to see. So, to overcome this restriction, JWST has strengthened.
The giant 6.5 -meter -space telescope first looked well at the Habble Ultra Deep field in 2022. October, with its almost infrared camera. As the part of the Jades project has been reviewed several times by the Ultra Deep field, and this latest image was captured by the JWST middle infrared instrument (Miri) image (in short, Midis).
In fact, the shortest wavelength filter in the instrument (F560W, which sets the infrared light from 4.9 to 6.4 microns with 5.6 microns), has been the longest at any one filter as a part of this image, a total of 41 hours.
The image does not show the entire ultra -deep field, only its section, which has about 2,500 visible galaxies, four -fifths of them are really distant, high red displacement galaxies. None of the record holders are about 12 visuals of red displacement, which is equal to 380 million years after the Great Bang, or 13.4 billion years ago. Just comparing the current highest red displacement galaxy, Mom-Z14 (which is not part of Ultra Deep Field), the red displacement is 14.4 and we see that it existed about 280 million years after the big explosion.
Along with JWST’s nearest infrared camera (NIRCAM), which operates in shorter wavelengths (1.9 to 4.8 microns), data, observations, reveal many galaxies of many images, most of which are visible as small points of light. The image is presented in the wrong color because the infrared light bulb has no visible colors because it is for what the human eye can see.
The famous deep field image made by the Hablo Space Telescope. | Credit: ESA/Webb/NASA/CSA/g. Östlin, PG Perez-Gonzalez, J. Melindder, The Jades Collaboration, M. Zamani (ESA/Webb).
Hundreds of red galaxies feature stars forming galaxies masked by interstellar dust that absorb the light of the stars and transforms it into infrared, or is highly developed galaxies with much older, reder stars formed near the universe. Meanwhile, small greenish -white galaxies are those that are very high red displacement, which means we see them because they exist most of the first billions of cosmic history. On the other hand, larger blue and cyanian galaxies are closer to the low red displacement and therefore look lighter NIRCAM than Miri.
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Astronomers are trying to get deeper with JWST, adding observations to show the development of galaxies from the dawn of the universe to the present day. Among the data may be the answers to many of the greatest secrets of cosmology, such as supermassive black holes, how the galaxy has formed and when most stars of the universe have emerged. All of this is still an unfinished job, so watch!
JWST Ultra deep field observations published in Astronomy & Astrophysics.