Mosaic of TOUGH R-band imaging of 32 GRB host-galaxy positions, with VLA 3 GHz flux-density contours overlaid in red. Contour levels are set to 2.3, 3.0, 4.0, 5.0, and 6.0 times the VLA image rms. (Several images have no flux above the 2.3σ contour within the 105 × 105 thumbnail.) The GRB afterglow location is represented by light blue circles (XRT positions from Butler 2007 or Evans et al. 2009) or by a green circle (optical/IR positions). The host galaxy, when detected in the optical images, is centered in the image and identified by an orange box reticle. The VLA synthesized beam is indicated by a dark blue ellipse at bottom right.