Changes between Version 31 and Version 32 of u/erica/radtimescales


Ignore:
Timestamp:
04/04/16 16:33:05 (9 years ago)
Author:
Erica Kaminski
Comment:

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  • u/erica/radtimescales

    v31 v32  
    273273where rho is the mean density of the gas, calculated above. This gives,
    274274
    275 [[latex($\boxed{t_{ff}\approx 7.6e+12 ~s}$)]]
     275[[latex($\boxed{t_{ff}\approx 4~ky}$)]]
    276276
    277277
    278278That this value is very nearly the sound crossing time shows that a pre-stellar core is marginally jeans unstable.
     279
     280''' Summary of timescales '''
     281
     282A box that has r=.0069, filled with a solar mass worth of material at constant density and temperature (=10 K), and with the above quoted opacities, should have the following timescales of evolution:
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     284 
     285|| [[latex($t_{diff}$)]] || 24 days ||
     286|| [[latex($t_{coupling}$)]] || ? ||
     287|| [[latex($t_{sc}$)]] || 33 kyr ||
     288|| [[latex($t_{ff}$)]] || 4 ky ||
     289
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