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  • Radio Spectral Index Distribution in Galaxy Cluster Radio Halos 
    SHWETA, A. (Dept. of Physics, 2019-06)
    Radio Halos are steep spectrum, diffuse, Mpc-sized objects associated with the intra-cluster medium of merging clusters of galaxies. Despite 50 years since their discovery, the energy source of synchrotron emitting electrons ...
  • Reenergization of Radio Halo Electrons in the Merging Galaxy Cluster A2163 
    SHWETA, A.; ATHREYA, RAMANA; SEKHAR, SRIKRISHNA (IOP Publishing, 2020-07)
    Radio halos in galaxy clusters are among the largest known radio-emitting objects in the universe. Their faint and amorphous structure and lack of emission elsewhere in the electromagnetic spectrum have yielded few clues ...