AB
par1equivalent hydrogen column (in units of atoms cm)
par2 -par18abundance (relative to Solar) of He, C, N, O, Ne, Na, Mg, Al, Si, S, Cl, Ar, Ca, Cr, Fe, Co, Ni
par19molecular hydrogen column (in units of atoms cm)
par20grain density (in gm cm)
par21grain minimum size (in m)
par22grain maximum size (in m)
par23power-law index of grain sizes
par24-par41grain depletion fractions of He, C, N, O, Ne, Na, Mg, Al, Si, S, Cl, Ar, Ca, Cr, Fe, Co, Ni
par42redshift

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