Astronomers Find Little Red Dots About to Merge

Astronomers have found pairs of "little red dots" (LRDs) in the early universe, which are thought to be early-stage supermassive black holes. These LRDs, discovered by the James Webb Space Telescope, are located at high redshifts and are believed to be the early stages of SMBH growth. The research suggests that these LRDs may be pre-merger SMBHs, indicating that they are on the verge of merging. The study, published in the *Publications of the Astronomical Society of Japan*, presents evidence that LRDs are indeed early black holes, and their mergers could lead to the formation of SMBHs. The authors found four dual LRD candidates with projected separations of 0.2 to 1 arcminute, which is about 5,300 to 24,000 light-years. The researchers argue that this isn't an error, as the projected separations are consistent with the photometric redshifts. The study highlights the importance of understanding how SMBHs grow and merge, as this process is crucial for galaxy evolution. The findings suggest that LRDs are not random, and their close proximity points to a merger scenario. The researchers acknowledge that their sample size is small and recommend expanding the survey with larger field surveys to better understand the nature of these objects.

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