The visualization shows the coalescence and merger of a lower mass-gap black hole (dark grey surface) with a neutron star with colors ranging from dark orange (1 million tons per cubic centimeter) to white (600 million tons per cubic centimeter). The animation is accompanied by the gravitational-wave signal represented with a set of strain amplitude values of plus-polarization using colors from dark blue to cyan. The gravitational waveform is shown at the bottom of the video, with a moving marker displaying the time relative to the merger. © I. Markin (Potsdam University), T. Dietrich (Potsdam University and Max Planck Institute for Gravitational Physics), H. Pfeiffer, A. Buonanno (Max Planck Institute for Gravitational Physics)
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