Almog Yalinewich
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
Achromatic break
at 10 days
Break when reverse shock
reaches jet base?
Break when swept up mass is comparable to jet energy?
Break radius
fallback rate implies
Bondi radius
Truncation radius?
Steady state, smooth, spherically symmetric flow model
prediction for spectrum from Bremsstrahlung
Resolve conflicting results for SGR A*
Proposition for achromatic breaks in TDEs