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snapstab - report on stability of a stellar system
snapstab
in=in_file [parameter=value] ...
snapstab calculates total binding
energy (for the potential energy it needs potential energy of each star
- see hackforce(1NEMO)
or quadforce) and reports deviation from Virial equilibrium
as 2*KE+PE. For disk systems the Ostriker-Peebles t=KE(orbital)
/PE, which
must be smaller than about 0.14 in order for the disk to be stable, is reported
This program is still under development - use at your risk.
The
following parameters are recognized:
- in=in_file
- input file, in snapshot(5NEMO)
format. Default: none.
- times=time-ranges
- Only snapshots with time values
within times-ranges, which is of the form ts[:te],..., will be used [default:
all].
snapshot(5NEMO)
Peter Teuben
~/src/pjt/nbody snapstab.c snapstab.1
30-March-89 V1.0: created PJT
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