 Bondi--Hoyle--Lyttleton accretion rate

ID: bondi-hoyle-lyttleton-accretion-rate

In the ballistic supersonic limit, streamline collisions bind gas with impact parameter

b < 2 GM / v_{\infty}^{2}

\dot{M}_{BHL} = \frac{4 π G ^{2} M ^{2} ρ _{\infty}}{v _{\infty}^{3}} .

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