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PN paper revision

Run like model A, but has rsoft=5, rwind=4 (production runs have rsoft = 5, rwind=6). -stopped at frame 32, too slow. mintracer=1d-7
- Another run with rsoft = rwind = 5 to capture the central mass. Also, set mintracer=.1 for quiescent period.
Run like model A, but without the quiescent phase. then compare the momentum analysis for both. — queue on bluehive.
Run like model A, but with larger refinement on level 7, restart on frame 149. — waiting for reservation on bluehive.

In section 2, paragraph 3. explain the SPH-AMR mapping. Whether it is conservative or not. —basically averaging and interpolating by some standard sph practice. Add inputs from Thomas.

Modify section 2, discuss the choice of momentum parameters. explain that the momentum was chosen to be in line with Bujaharrabal.

— New run 1. but had issue with central high density cells.

— also compare the outflow starting time, New run 2.

The referee was confused about tracer as added material, but it's just a label, or a 'dye'.

More discussion on the appendix in the main text. The horizontally launched jets enhance the shaping argument.

In table 2, added a line to indicate model names (A,B,C,D) to the corresponding run parameters.
Fixed typo throughout the paper.

-TBD-

Replace the text labels in figures with larger font.
Redo figure 6. Experiment with other color-tables and vector properties. Just very hard to interpret. Try use arrows of variable length on a uniform mesh of points.