CIE Fractional Abundances

Fractional abundances of all ionization stages of elements H through Zn were made available in the following publications:

​Bryans et al. 2006, ApJS, 167, 343

​Bryans et al. 2009, ApJ, Accepted for publication

Subroutines that return the data used in these publications can be downloaded here. If you make use of these routines please cite the above publications when presenting any results.

DR rate coefficients

The routine rdfit returns the dielectronic recombination (DR) rate coefficient for a given ion at a requested temperature. This routine is based on that of Pasquale Mazzotta. See comments in the attached file for notes on use and sources of the data used therein.

RR rate coefficients

The routine rrfit returns the radiative recombination (RR) rate coefficient for a given ion at a requested temperature. This routine is based on that of Pasquale Mazzotta. See comments in the attached file for notes on use and sources of the data used therein.