A radio relic was found in a low-mass cluster

A radio relic was found in a low-mass cluster

Scientists have managed to find a new radio relic in the low-mass merging galactic cluster PLCK G200.9-28.2.

This is a galactic cluster with a red shift of 0.22 and a massiveness of 270 trillion solar. The average temperature is 4.5 keV. An X-ray survey shows that the cluster has a disturbed morphology that hints at an active merger.

Radio relics are diffuse elongated radio sources with a synchronous origin. The confluent galactic clusters are remarkable sites for searching for similar sources. Formed in the form of spectacular single or double arcs on the periphery of clusters.

A radio relic was found in a low-mass cluster

(a) - Map of the spectral index of a radio relic in PLCK G200.9-28.2 between 235-610 MHz. (b) - Appropriate noise map During the review of PLCK G200.9-28.2, one radio link was identified. For the study, the GMRT radio-electronic telescope and the Very Large Array were used. She appeared at frequencies of 235 and 610 MHz.

This is a single signal with arcuate morphology. Covers 3.26 by 0.91 million light years. Removed by 2.9 million light years from the maximum x-ray brightness.

The spectral index map shows the emission of the light spectrum by directivity to the outer edge, as well as a gradual tilt to the inner side, which indicates a blow at the merge. PLCK G200.9-28.2 has the lowest mass among the clusters.

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