Capture d’écran 2025-03-16 002954

This radio band composite image of Arp 187, obtained by the VLA and ALMA telescopes (blue: VLA 4.86 GHz, green: VLA 8.44 GHz, red: ALMA 133 GHz), shows clear bimodal jet lobes. But the central nucleus (center of the image) is dark. (Image credit: ALMA (ESO/NAOJ/NRAO), Ichikawa et al.)