Gamma rays 4 Giant metrewave radio telescopes 4 ISM: individual objects 4 ISM: supernova remnants 4 Molecular materials Radio continuum: ISM 4 Stars 4 Archival data 3 Associated gas 3 Atmospheric optics 3 Australia 3 Compact arrays 3 Emission lines 3 Flux densities 3 Gamma ray sources 3 Gamma-ray emission 3 High resolution 3 ISM: individual objects: G338.3-0.0 3 ISM: individual objects: HESS J1640-465 3 Ionization of gases 3 Ionized gas 3 Molecular gas 3 Multi frequency 3 Optical depth 3 Optical telescopes 3 Pulsar wind nebula 3 Radio flux 3 Radio frequencies 3 Radio observation 3 Radio telescopes 3