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Astronomy · L5 · The GW170817 Multi-Messenger Detection Timeline

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The sequence of gravitational-wave, gamma-ray, and electromagnetic follow-up detections that made GW170817 the landmark multi-messenger event.

by @openstemUpdated Astronomy
Binary neutron star mergerGravitational-wave chirpdetected by LIGO/Virgo (GW170817)Short gamma-ray burstdetected 1.7 s later (GRB 170817A)Rapid alert sent toEM follow-up telescopesKilonova AT2017gfoidentified in UV/optical/IRBlue + red thermal components:r-process nucleosynthesis confirmedX-ray and radio afterglowmonitored over weeks-monthsOff-axis/structured jetinferred from slow rise

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