# The heavier the better: how to constrain mass ratios and spins of high-mass neutron-star mergers

11 May 2020 Most Elias R. Weih Lukas R. Rezzolla Luciano

The first binary neutron-star merger event, GW170817, and its bright electromagnetic counterpart have provided a remarkable amount of information. By contrast, the second event, GW190425, with $M_{\rm tot}=3.4^{+0.3}_{-0.1}\,M_{\odot}$ and the lack of an electromagnetic counterpart, has hardly improved our understanding of neutron-star physics... (read more)

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# Categories

• HIGH ENERGY ASTROPHYSICAL PHENOMENA
• GENERAL RELATIVITY AND QUANTUM COSMOLOGY