Credit: Bunyo Hatsukade (NAOJ), ALMA (ESO/NAOJ/NRAO)
Observed GRB 020819B host galaxy. Radio intensity distributions of molecular gas (left) and dust (middle), both of which are observed with ALMA. An optical image captured by the Frederick C. Gillett Gemini North telescope (right). The cross mark in the upper center shows the location of the GRB site.