Almog Yalinewich
ITC 9.8.18
Mass
Energy
Momentum
Stagnation radius
Mass conservation
Energy conservation
Mach number ODE
Wrong
Right
Always supersonic
Boundary condition: finite when
Independent of
Mass dominated by stagnation radius
No steady state solution when
Easiest to understand for the case
Supersonic when
Steady state always exists if mass injection is truncated
Truncation necessary to avoid divergence
Data favours
From Quataert 2004
data favours
Different normalisation
All models agree
outside Chandra PSF
Unresolved central source?
Genzel et al 2010
Break when reverse shock
reaches jet base?
Break when swept up mass is comparable to jet energy?
Truncation radius vs Bondi radius
relativistic vs Newtonian
Optically thick vs optically thin
Gas Density => Density of wind emitting stars => star density
Steady state, smooth, spherically symmetric flow model
prediction for spectrum from Bremsstrahlung
Resolve conflicting results for SGR A*
Infer stellar density from TDE radio signals
Transition to accretion disc at centrifugal radius
Application to larger scale flows: gravity from DM or stars