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astro-ph2000
Ultra-Relativistic Blast Wave: Stability and Strong Non-Universality
Andrei Gruzinov
Linear eigenmodes of a spherically symmetrical ultra-relativistic blast wave (the Blandford-McKee, BMK, solution) are calculated. The BMK solution is shown to be stable and strongl…
astro-ph2000
To Probe a Black Hole
Andrei Gruzinov
We show how an idealized high-frequency VLBI can probe the metric of nearby supermassive black holes. No quantitative assumptions about plasma dynamics are used in the suggested di…
astro-ph2000
Chandra, GLAST, and the Galactic Center
Eliot Quataert, Andrei Gruzinov
Two-temperature spherical accretion flows produce Mev gamma-rays from the decay of neutral pions created in proton-proton collisions close to the black hole; they als…