chv6_ic#fe18.dat

• Spontaneous Emission: Fe⁺¹⁸(i) → Fe⁺¹⁸(j) + hv
• Electron Impact Excitation: Fe⁺¹⁸(i) + e → Fe⁺¹⁸(j) + e

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  Data generated from CHIANTI version 6.0

       http://www.chianti.rl.ac.uk/

  CHIANTI references
  ------------------

  Energy levels :
   %observed energy levels (n=2): Shirai,T., Sugar,J., Musgrove,A., Wiese,W.L.,2000, J.Phys.Chem.Ref.Data, Monograph 8
   %Observed energy levels (n=3,4,5): identifications from the X-ray spectral line list by Landi & Phillips 2005, ApJS, 160, 286
   %Observed energy levels (21,47,100): From the line list of Brown et al., 2002, ApJS, 140, 589
   %observed energy levels (above ionization): Palmeri P., Mendoza C., Kallman T.R., Bautista M.A., 2003, A&A, 403, 1175
   %Theoretical energy levels: Landi & Gu, 2006, ApJ, 640, 1171
   %theoretical energy levels (above ionization): Bautista, M.A., Mendoza, C., Kallman, T.R., Palmeri, P., 2004, A&A, 418, 1171
   %comment: theoretical energy levels from Palmeri et al are treated as experimental ones when no measured value was available
   %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
   %
   % Enrico Landi - Jul 2005

  A-values levels :
   %filename: fe_19.wgfa
   %observed energy levels (n=2): Shirai,T., Sugar,J., Musgrove,A., Wiese,W.L.,2000, J.Phys.Chem.Ref.Data, Monograph 8
   %Observed energy levels (n=3,4,5): identifications from the X-ray spectral line list by Landi & Phillips 2005, ApJS, 160, 286
   %Observed energy levels (21,47,100): From the line list of Brown et al 2002, ApJS, 140, 589
   %observed energy levels (above ionization): Palmeri P., Mendoza C., Kallman T.R., Bautista M.A., 2003, A&A, 403, 1175
   %Theoretical energy levels (below ionization): Landi & Gu, 2006, ApJ, 640, 1171
   %Radiative data (below ionization): Landi & Gu, 2006, ApJ, 640, 1171
   %Radiative data (above ionization): Palmeri, P., Mendoza, C., Kallman, T.R., Bautista, M.A., 2003, A&A, 403, 1175
   %Radiative data (1-632, 4-631): Bautista, M.A., Mendoza, C., Kallman, T.R., Palmeri, P., 2004, A&A, 418, 1171
   %Autoionization rates: Palmeri P., Mendoza C., Kallman T.R., Bautista M.A., 2003, A&A, 403, 1175
   %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
   %
   % Enrico Landi - Jul 2005

  Collision strengths :

   %filename: fe_19.splups
   %oscillator strengths (level 10): Butler, K., Zeippen, C.J., 2001, A&A, 372, 1083
   %oscillator strengths (below ionization): computed with the Flexible Atomic Code - Gu, M.F., 2003, ApJ, 582, 1241
   %oscillator strengths (above ionization): Bautista, M.A., Mendoza, C., Kallman, T.R., Palmeri, P., 2004, A&A, 418, 1171
   %effective collision strengths (level 10): Butler, K., Zeippen, C.J., 2001, A&A, 372, 1083
   %effective collision strengths (levels 1-200): computed with the Flexible Atomic Code - Gu, M.F., 2003, ApJ, 582, 1241
   %Collision strengths (201-630) computed with the Flexible Atomic Code - Gu, M.F., 2003, ApJ, 582, 1241
   %Collisional data (above ionization): Bautista, M.A., Mendoza, C., Kallman, T.R., Palmeri, P., 2004, A&A, 418, 1171
   %Comment: effective collision strengths for levels 1-200 are given in the range 1.16e6 < T < 5.8e7
   %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
   %
   %  Enrico Landi - Jan 2004



  Added to ADAS by
  ----------------

  Author : Martin O'Mullane
  Date   : 28/10/10

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 The following levels were above the ionisation potential :   11850669.6

    631 1s.2s2.2p5 3P2     (3)1( 2.0)      52145755.0
    632 1s.2s2.2p5 3P1     (3)1( 1.0)      52207087.0
    633 1s.2s2.2p5 3P0     (3)1( 0.0)      52275672.0
    634 1s.2s2.2p5 1P1     (1)1( 1.0)      52355671.0
    635 1s.2s.2p6 3S1      (3)0( 1.0)      53085435.0
    636 1s.2s.2p6 1S0      (1)0( 0.0)      53298302.0

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 Filtered adf04 file to 
  - sort energy levels 
  - remove non physical A values from
    energy level reversals
  - remove energies above ionisation potential
  - remove duplicate transitions

 Code     : ADAS utility program, filter04
 Date     : 28-10-2010
 Producer : Martin O'Mullane              

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 Regenerated to use the standard ADAS temperature set.

 Add the transitions in the CHIANTI source which have a transition
 probability but no accompanying effective collision strength and
 set these upsilons to zero.

 Update : Martin O'Mullane
 Date   : 28-10-2010
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Contributors

• CHIANTI
• Manuel Bautista
• Martin O'Mullane