Rate Calculation Subroutines

amcol:
calculate rate of collisional angular momentum changing transitions in hydrogenic ions using method of Pengelly & Seaton (1964).

amcrs:
calculate rate of collisional angular momentum changing transition in hydrogenic ions using either amcol or impact.

anl1:
calculate allowed radiative transition rates for hydrogenic ions.

bkhsgo:

calt60_62:
returns Callaway Upsilons for H-like ions.

calt66:
returns Kato & Nakazaki (1989) Upsilons for He-like ions.

calt67:
returns Keenan et al.(1987) Upsilons for He-like ions.

calt68:
returns Sampson & Zhang Upsilons for He-like ions.

calt69:
returns Kato & Nakazaki (1989) Upsilons for He-like ions.

calt70:
takes type 70 data and calculates recombination rates and phot. cross sections of superlevels.

calt71:
returns radiative trans. rates from superlevels to spectroscopic levels.

calt72:
returns capture rates for DR through satellite levels.

calt73:
returns Upsilons for satellite levels of He-like ions.

calt74:
returns levels specific DR and calculates photoionization rates over DR associated resonances.

calt77:
returns collisional rates between superlevels and spectroscopic levels.

erc:
calculate collisional excitation rates for hydrogenic ions.

hgf:
calculates hypergeometric functions.

impact:
impact parameter cross sections.

impactn:
calculate collisional excitation rates for hydrogenic ions using the impact parameter.

impcfn:
calculate the functions used in the impact parameter.

intin:

intin2:

intino:

irc:
calculate collisional ionization rates using the Johnson (1972) method for hydrogenic ions or routine szirc for other ions.

levwk:
calculates partition functions

milne:
calculates milne integral

phintf:
photoionization rate and milne rate integrator.

szcoll:
calculates electron impact excitation rates from semiempirical formula (eq.35) from Sampson $\&$ Zhang (1988, apj 335, 516)

szirc:
calculates electron impact ionization rates from semiempirical formula (eq.35) from Sampson $\&$ hang (1988, apj 335, 516)

ucalc:
main rate calculation routine

upsil:
returns Upsilons from Burgess & Tully fits.

velimp:
calculate collisional excitation rate from the impact parameter.