CHIANTI

An Atomic Database for Spectroscopic Diagnostics of Astrophysical Plasmas.

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Naval Research Laboratory (USA) - Rutherford Appleton Laboratory (UK)
University of Cambridge (UK) - George Mason University (USA) - Universita' degli Studi di Firenze (Italy)

Fe XV - VERSION 6.0


The CHIANTI database consists of the following primary ASCII files for this ion:

  1. fe_15.elvlc (energy levels)
  2. contains the energy levels in cm^(-1) It includes both experimental and theoretical values of the levels energies.

     
    %Experimental energy levels (1 to 45): Shirai,T., Sugar,J., Musgrove,A., Wiese,W.L.,2000, J.Phys.Chem.Ref.Data, Monograph 8
    %Experimental energy levels (31,32): Eissner, W., Galavis, M.E., Mendoza, C., Zeippen, C.J., 1999, A&AS, 137, 165
    %Experimental energy levels (50,51,52): Reader, J., Sugar, J., 1975, J.Phys.Chem.Ref.Data, 4, 424
    %Experimental energy levels (76-117): Ralchenko Y., Jou, F.C., Kelleher, D.E., Kramida, A.E.,
       Musgrove, A., Reader, J., Wiese, W.L., Olsen, K., 2005, NIST Atomic Spectra Database, Version 3.0
    %Theoretical energy levels: Landi & Gu 2005, unpublished calculations
    %comment: NIST energy for level 3p.4f 1F3 (80) has been assigned to level 3p.4f 3F3 (77)
    %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
    %
    % Enrico Landi - Aug 2005
     
    

  3. fe_15.wgfa (radiative data)
  4. contains wavelengths, gf and A values of the transitions. The wavelengths are based on the experimental energy levels and should be the best available. Wavelengths calculated from the theoretical energies are of an indeterminate accuracy and their values are presented as negative values of the calculated wavelength.

     
    %filename: fe_15.wgfa
    %Experimental energy levels (1 to 45): Shirai, T., Sugar, J., Musgrove, A., Wiese, W.L.,2000, J.Phys.Chem.Ref.Data, Monograph 8
    %Experimental energy levels (31,32): Eissner, W., Galavis, M.E., Mendoza, C., Zeippen, C.J., 1999, A&AS, 137, 165
    %Experimental energy levels (50,51,52): Reader, J., Sugar, J., 1975, J.Phys.Chem.Ref.Data, 4, 424
    %Experimental energy levels (76-117): Ralchenko Y., Jou, F.C., Kelleher, D.E., Kramida, A.E.,
       Musgrove, A., Reader, J., Wiese, W.L., Olsen, K., 2005, NIST Atomic Spectra Database, Version 3.0
    %Theoretical energy levels: Landi & Gu 2005, unpublished calculations
    %A values and oscillator strengths: Landi & Gu 2005, unpublished calculations
    %A-value (1-3): Traebert, E., Heckmann, P.H., Hutton , R., & Martinson, I. 1988, J. Opt. Soc. Am. B, 5, 2173
    %comment: added transition experimental A-value 1-3 from Traebert et al 1988 (E. Landi, Sept. 20, 2006).
    %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
    %
    % Enrico Landi - Sep 2006
    

  5. fe_15.splups (electron collision data)
  6. contains the spline fits to the electron collision strengths scaled according the rules formulated by 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.

     
    
    %filename: fe_15.splups
    %gf values: Landi & Gu, 2005, unpublished calculations
    %Effective collision strengths (levels 1-45): Berrington, K.A., Ballance, C.P., Griffin, D.C., & Badnell, N.R. 2005, J.Ph.B, 38, 1667
    %Collision strengths (levels 46-283): Landi & Gu, 2005, unpublished calculations
    %comment: Effective collision strengths for the lowest 45 levels are provided in the 5.0 < log T < 7.0 range
    %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
    %
    % Enrico Landi - Aug 2005
    

  7. fe_15.psplups (proton collision data)
  8. contains the spline fits to the scaled proton collision strengths.

     
    
    %filename: fe_15.psplups
    %rates: Landman, D.A., Brown, T., 1979, ApJ 232, 636
    %energies: Observed energies from CHIANTI .elvlc file.
    %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
    %
    % Peter Young   18-May-2001
    


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


    Last revised by G. Del Zanna on 4-Sep-2009