…waves from merging neutron stars (GW170817) make an important contribution toward solving this puzzle. At the end of 2017, Professor Luciano Rezzolla, Institute for Theoretical Physics at the Goethe University…
…phenomena observed over the course of nine days following the neutron star merger known as GW170817. They include gravitational waves (pale arcs), a near-light-speed jet that produced gamma rays (magenta),…
…predicted by Albert Einstein over a century ago.” Known as GW170817, this spectacular event was also seen with traditional telescopes at observatories around the world, which identified its location in…
…study Echoes from the Abyss: A highly spinning black hole remnant for the binary neutron star merger GW170817 was published in the Journal of Cosmology and Astroparticle Physics in November,…
The results from a numerical relativity simulation of two merging neutron stars similar to GW170817. Credit: University of Birmingham Gravitational-wave researchers at the University of Birmingham have developed a new…
…SDSS J140910.47+275320.8, the host galaxy is young and star-forming, almost exactly opposite of the only other known local universe host of a neutron star merger event: GW170817’s host galaxy NGC4993….
…happening much faster in reality, within less than a hundredth of a second, and produces strong gravitational waves. This illustrates one of the possible scenarios for the merger event GW170817,…
NGC4993, the galaxy hosting the gravitational wave event GW170817 that has been used to measure the age of the universe. The source of the event is the red dot to…
…iodine, an essential ingredient for life as we know it. Currently, the only joint observation of gravitational waves and light from the same event – called GW170817 – was in…
…observations with data from many different ground and space-based observatories to study a kilonova, or neutron star merger, called GW170817. Among the insights from the extensive study of this kilonova,…
…expanded into our line of sight, X-rays (blue) were detected. This animation represents phenomena observed up to nine days after GW170817. Credit: NASA’s Goddard Space Flight Center/CI Lab It was…
…was detected just seconds after gravitational wave detectors observed the binary neutron-star merger (GW170817). “In a decade, the next generation of gravitational wave observatories will be able to detect neutron…
…kilonovae. They expect that the LIGO observatories will detect many more kilonovae in the coming years. Reference: “Spherical symmetry in the kilonova AT2017gfo/GW170817” by Albert Sneppen, Darach Watson, Andreas Bauswein,…
…symmetry in the kilonova AT2017gfo/GW170817“), Sneppen and many of his colleagues in this latest study reported on the discovery of a “perfect explosion in space.” This contradicted previous assumptions about…
…by two neutron stars merging together. This insight makes CDF-S XT1 similar to the momentous 2017 discovery called GW170817—the first observation of gravitational-waves, cosmic ripples in the fabric of space…
…mass transfer phase that further strips the star and recycles the pulsar companion, leading to systems such as the observed binary neutron stars in the Milky Way and GW170817 (b)….
…mass transfer phase that further strips the star and recycles the pulsar companion, leading to systems such as the observed binary neutron stars in the Milky Way and GW170817 (b)….
…about 40 Mpc from Earth — roughly the distance of GW170817 (assuming 3G detectors are online in 2037, we’re guaranteed to observe a thousand or so binary neutron star mergers…