Generalized compactness limit from an arbitrary viewing angle
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DOI: 10.1093/mnras/stz923
Abstract: A $\gamma$-ray source must have a limited optical depth to pair production. This simple condition, called compactness, implies that gamma-ray bursts (GRBs) must involve a highly relativistic motion ($\Gamma \gtrsim 100$) giving the first and… read more here.
Keywords: angle; viewing angle; gamma ray; arbitrary viewing ... See more keywords