Fe XXII - VERSION 4.0

The CHIANTI database consists of 4 primary ASCII files for each ion in the database.

• fe_22.elvlc (energy levels)

  contains the energy levels in cm^(-1) It includes both experimental data and theoretical values of the levels energies.

  References:

  %experimental energy levels: Shirai,T., Sugar,J., Musgrove,A., Wiese,W.L.,2000, J.Phys.Chem.Ref.Data, Monograph 8
  %experimental energy levels (levels 17,18): Kelly, R. L., 1987, J. Phys. Chem. Ref. Data 16, Suppl. 1
  %theoretical energy levels: Badnell, N.R., Griffin, D.C., 2002, J.Ph.B, in press
  %Comment:
   1 - The observed energies for levels 174 (2s2p(3P).4d 2F7/2) and 195 (2s2p(1P).4d 2F7/2) have been 
       interchanged to match theoretical energies
   2 - The observed energies for levels 32 (2s2p(3P).3p 4S3/2) and 35 (2s2p(3P).3p 2D3/2) have been 
       interchanged to match theoretical energies
   2 - The observed energies for levels 24 (2s2p(3P).3s 2P1/2) and 29 (2s2p(3P).3p 2P1/2) have been 
       interchanged to match theoretical energies
  %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
  %
  % Enrico Landi - Oct 2001
  

  
  

• fe_22.wgfa (radiative data)

  contains wavelengths, gf and A values for each transition. Wavelengths are based on experimental level energies where available; wavelengths calculated from theoretical energies are less accurate and are given as negative values.

  References:

  %experimental energy levels: Shirai,T., Sugar,J., Musgrove,A., Wiese,W.L.,2000, J.Phys.Chem.Ref.Data, Monograph 8
  %experimental energy levels (levels 17,18): Kelly, R. L., 1987, J. Phys. Chem. Ref. Data 16, Suppl. 1
  %Comment:
   1 - The observed energies for levels 174 (2s2p(3P).4d 2F7/2) and 195 (2s2p(1P).4d 2F7/2) have been
       interchanged to match theoretical energies
   2 - The observed energies for levels 32 (2s2p(3P).3p 4S3/2) and 35 (2s2p(3P).3p 2D3/2) have been
       interchanged to match theoretical energies
   2 - The observed energies for levels 24 (2s2p(3P).3s 2P1/2) and 29 (2s2p(3P).3p 2P1/2) have been
       interchanged to match theoretical energies
  %Theoretical energy levels: Badnell, N.R., Griffin, D.C., 2002, J.Phys.B, in press
  %Radiative data: Badnell, N.R., Griffin, D.C., 2002, J.Phys.B, in press
  %Radiative data 1-2,3-4,3-5,4-5: Galavis, M.E., Mendoza, C., Zeippen, C.J., 1998, A&ASS, 131, 499
  %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
  %
  % Enrico Landi - Oct 2001
  

  
  

• fe_22.splups (electron collision data)

  contains the spline fits to the electron collision strengths scaled according to Burgess and Tully (1992). Accurate replication of the temperature averaged collision strength over a wide range of temperatures can be accomplished with the data in this file.

  References:

  
  %filename: fe_22.splups
  %oscillator strengths: Badnell, N.R., Griffin, D.C., 2002, J.Phys.B, in press
  %effective collision strengths: Badnell, N.R., Griffin, D.C., 2002, J.Phys.B, in press
  %comment: effective collision strengths are used in the temperature range 6.4 < Log T < 8.0
  %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
  %
  % Enrico Landi - Sept 2001
  

  
  

• fe_22.psplups (electron collision data)

  contains the spline fits to the scaled proton collision strengths.

  References:

  
  %filename: fe_22.psplups
  %rates: Foster VJ, Keenan FP, Reid RHG, 1997, ADNDT 67, 99
  %energies: From .elvlc file, experimental energies
  %comment: The rate coefficients are in units cm^3/s.
  %comment: Fits valid for temperatures 2e6 to 6e7 K.
  %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
  %
  % P.R.Young - May 2001
  

The html tables below contain the radiative data of all the lines sorted in wavelength