Tomasz Nowakowski is a member of the physics.org community.
An international team of astronomy conducted radio and optical observations of a strange giant radio galaxy. The results of the observational campaign revealed more about the properties of this universe. There is a paper on arXiv.org.
At least 2.3 million light years is the projected length of the giant radio galaxies. They are grown in low densities. Astronomers look at the formation and evolution of radio sources with the help of GRGs.
Out of a thousand detections, only ten exceed 10 million light years in size. J1420-0545 has a projected length of 16 million light years. The rest of the megaparsec-scale radio galaxies are thought to be the largest single-galaxy–caused phenomena.
The Search and Analysis of GRGs with Associated Nuclei project identified a giant radio galaxy at a redshift of 0.093. It has a projected linear size of over 5 million light years and is hosted by a S0-a type galaxy.
The current theories of how GRGs live in a sparse environment have been found to be incorrect by previous studies. In order to verify this, a group of astronomy led by Pratik Dabhade of Sorbonne University in Paris, France, performed deep multi-frequency radio observations of GRG-J2233+1315 with the Giant Metrewave Radio Telescope.
An enormous jet, about 772,000 light years in size, came from the radio core of GRG-J2233+1315 and extended some 326,000 light years. The magnetic field strength of the detected lobes was around 5 G.
According to the observations, the Barbell GRG has a redshift of approximately 0.99 and that its linear size is larger than previously thought. According to the results, the host galaxy has a relatively low star formation rate.
The authors of the paper made a point of emphasizing the importance of their findings.
The discovery of the 100 kPC 'kink' structure from our study provides a unique opportunity to test various MHD models on large scales. There is an opportunity to explore the structure and growth of GRGs in different environments with this two-sided, large-scale jets.
More information: Pratik Dabhade et al, Barbell shaped giant radio galaxy with ~100 kpc kink in the jet. arXiv:2209.13059v1 [astro-ph.GA], arxiv.org/abs/2209.13059There is a science network.
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