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Photoionization Grid for Starburst99 instantaneous burst model
with electron density of 10/cm^3.   

The grid was run by Lisa Kewley and are described in
Dopita et al. 2000, ApJ, 542, 224
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Naming convention for output files (gzipped)

type_metallicity_age_ionization-parameter_SB99.ph4.gz

where type is either:
spec  = emission line list - gives wavelength and flux in each 
        emission line (this is the mos commonly used output file).
photn = ionizing conditions through the nebula at each step size 
        through the model.
phapn = plasma properties (eg., pressure, sound speed, Mag field)
phlss = information about energy conservation through the nebula
    

    
See http://cfa-www.harvard.edu/~lkewley/Mappings/Output.html
for a detailed description of the contents in each of these files.
