A mix of computer simulations and gamma-ray burst observations shed new light on merging neutron stars.
Astronomers trawled through archival observations of short gamma-ray bursts and detected the rapid evolution of two merging neutron stars into a superheavy neutron star, which then collapsed into a black hole.from NASA explains, and it can teach us a great deal about the transient nature of neutron stars and the evolution of colossal black holes.and energetic explosions
The scientists looked for GRB signals in 700 short GRBs detected by NASA's Neil Gehrels Swift Observatory, the Fermi Gamma-ray Space Telescope, and the Compton Gamma Ray Observatory. Compton no longer exists as it was deorbited and burned up in Earth's atmosphere in the year 2000. "We know that short GRBs form when orbiting neutron stars crash together, and we know they eventually collapse into a black hole, but the precise sequence of events is not well understood," said Cole Miller, a professor of astronomy at UMCP and a co-author of the paper. "At some point, the nascent black hole erupts with a jet of fast-moving particles that emits an intense flash of gamma rays, the highest-energy form of light, and we want to learn more about how that develops.
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