AST-807beginner

Gamma-Ray Bursts: Structures & Vocabulary

Gamma-ray bursts are brief, extraordinarily luminous flashes of gamma rays from cosmological distances. GRBs probe compact-object formation, relativistic jets, early galaxies, nucleosynthesis, and multi-messenger astrophysics.

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Gamma-Ray Bursts: Structures & Vocabulary

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AST-806Gamma-Ray Bursts: Foundations→

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AST-808Gamma-Ray Bursts: Physical Mechanisms→

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Gamma-ray bursts are brief, extraordinarily luminous flashes of gamma rays from cosmological distances.

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A newly formed compact object and accretion flow can launch an ultra-relativistic jet.

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Fermi and other satellites localize bursts; redshifts place them at cosmological distances; long bursts coincide with broad-lined Type Ic supernovae; GW170817 linked a short gamma-ray burst with a neutron-star merger.