See also the paper by Phillips et al (1999) on benchmarking the MEKAL code using SMM solar coronal spectra, and the recent paper by Gu et al. (2006, ApJ, 649, 979) on the enhanced and enlarged version of APEC/APED (including improved calculations of ionization equilibrium and line emissivities for L-shell ions of abundant elements such as Fe using the Flexible Atomic Codee (FAC) that they apply to the analysis of XMM-Newton RGS and Chandra HETGS and LETGS spectra of Capella.
| Ion |
Type of Data |
Type of Plasma |
Energy Range (keV) |
Wavelength Range (Angstroms) |
Method/Origin |
Reference |
Comments |
|---|---|---|---|---|---|---|---|
| Fe I K Beta and Fe XXV w |
IDs, Wavelengths, Intensities |
PI & Coll |
6.69 - 7.06 |
1.75 - 1.86 |
Corona + extended Bai model |
Phillips, K.J.H.. et al. 1994, ApJ, 435, 888 | |
| Fe I K-shell |
K-Shell Photoionization Cross-Section |
PI |
-- |
-- |
R-Matrix calculation |
Donnelly, D.W. et al. 2000, ApJ, 531, 1168 | |
| Fe VII - Fe X |
IDs, Wavelengths & Emission Intensities |
PI & Coll |
0.08 - 0.20 |
60 - 140 |
EBIT-II data + HULLAC (and other) calculated spectra |
J.K. Lepson et al. 2002, ApJ, 578, 648 | |
| Fe VII - Fe XXVI |
IDs, Wavelengths, gf & A values |
PI & Coll |
Whole range |
Whole range |
J. Phys. & Chem.Ref. Data Publication |
T. Shirai et al. 2000, `Spectral Data for highly Ionized Atoms:
Ti V Cr Mn Fe Co Ni Cu Kr and Mo', AIP | |
| Fe IX |
Energy Levels, Radiative Rates, Oscillator and Line Strengths for
Lowest 360 Levels |
PI & Coll |
0.05 - 0.25 |
50 - 250 |
GRASP |
K.M. Aggarwal al. 2006, A&A, 460, 331 | |
| Fe XIII-XIV |
Photoionization cross-sections & recombination rates |
PI |
-- |
-- |
Close-Coupling R-Matrix code |
Nahar, S.N. 2000, ApJS, 126, 537 | |
| Fe X |
Energies, Oscillator Strengths, Collision Strengths |
-- |
UV and EUV |
UV and EUV |
Semi-Relativistic (Breit-Pauli) R-Matrix code |
Tayal, S.S. 2001, ApJS, 132, 117 | |
| Fe X |
New Collisional and Radiative Data |
-- |
UV-X-ray |
UV-X-ray |
SUPERSTRUCTURE and the TEC Method |
Del Zanna, G. et al. 2004, A&A, 422, 731 | |
| Fe X, XIV-XVIII K Alpha |
IDs, Wavelengths, Intensities |
PI |
6.36 - 6.44 |
1.925 - 1.950 |
EBIT, HULLAC, and GRASP |
Decaux, V. et al. 1995, ApJ, 443, 464 | |
| Fe XI |
Energies, Transition Probabilities, Branching Ratios |
PI & Coll |
UV & EUV |
ditto |
Theoretical (Large-scale multiconfiguration Dirac-Fock) |
Fritsche, S. et al. 2000, MNRAS, 318, 263. | |
| Fe XI |
Energy Levels, Radiative Rates, Collision Strengths & Rate Coefficients |
PI & Coll |
UV & EUV |
ditto |
Theoretical (Dirac Atomic R-matrix Code, DARC) |
Aggarwal, K.M. & Keenan, F.P. 2003, MNRAS, 338, 412. | |
| Fe XV |
n= 3 -4 Line Ratios |
PI & Coll |
0.15 - 0.25 |
52 - 83 |
Calculations using Dufton Stat Eq Code, solar XSST & Capella Chandra
LETG spectra |
Keenan, F.P. et al. 2006, ApJ, 645, 597. | |
| Fe XV -XIX |
Accurate wavelengths, excitation-autoionization/deielectronic recombination |
PI & Coll |
0.73 - 0.92 |
13.5 - 17.0 |
Laser-produced plasmas + HULLAC |
May, M.J. et al. 2005, ApJS, 158, 230. | |
| Fe XVI |
Energy Levels, Radiative Rates, Oscillator Strengths & Line Strengths |
PI & Coll |
--- |
--- |
GRASP caclculations |
Aggarwal, K.M. & Keenan, F.P. 2007, A&A, 463, 399. | |
| Fe XVI-XVII |
Photoionization cross-sections & recombination rates |
PI |
-- |
-- |
Breit-Pauli R-Matrix code |
Donnelly, D. et al. 1999, A&A, 349, 996 | |
| Fe XVII |
K-edge Photoabsorption cross-sections and photoionized gas opacities |
PI |
7.0 - 8.0 |
1.55 - 1.77 |
Breit-Pauli R-Matrix + Optical Potential calculations |
Palmeri, P. et al. 2002, ApJ, 577, L119 | |
| Fe XVII |
Effect of Delta-N = 0 Dielectronic Recombination on Fe XVII 3-2 Lines
|
PI |
0.725 - 0.826 |
15.01 - 17.10 |
Flexible Atomic Code (1st order perturbation theory) calculations |
Gu, M.F. 2002, ApJ, 579, L103 | |
| Fe XVII |
Energy Levels, Radiative Rates, and Collision Strengths for Fine
Structure Transitions |
Both |
--- |
--- |
General Purpose Relativistic Atomic Structure Program (GRASP) calculations |
Aggarwal et al. 2003, ApJS, 144, 169 | |
| Fe XVII-XVIII |
Unified Electronic Recombination |
PI |
-- |
-- |
Breit-Pauli R-Matrix + Superstructure |
Pradjan, A.K. et al. 2001, ApJ, 549, L265 | |
| Fe XVII-XXIII |
K-Shell Photoionization and Electron Impact Excitation Collision
Strengths |
PI |
-- |
-- |
Breit-Pauli R-Matrix |
Bautista, M.A. et al. 2004, A&A, 418, 1171 | |
| Fe XVII-XXIII |
Energy Levels, Oscillator Strengths, A-values and Electron-Ion
Excitation Collision Strengths |
Coll & PI |
-- |
-- |
Distorted Wave Approx cf. to R-Matrix Calculations |
Landi, E. & Gu, M.F. 2006, ApJ, 640, 1171 | |
| Fe XVII-XXIV |
Line Formation Rate Coefficients for Photoionized Plasma |
PI |
-- |
-- |
FAC |
Gu, M.F. 2003, ApJ, 593, 1249 | |
| Fe XVII-XXIV |
IDs, Wavelengths, Intensities, Effective Recombination, Lines & Edges
|
PI |
0.45 - 2.05 |
6.06 - 27.75 |
XSTAR and HULLAC |
Kallman, T.R. et al. 1996, ApJ, 465, 994 | |
| Fe XVII-XXIV (and Ni XIX-XXVI) |
Wavelengths and Emissivities of n=3-7 -> n=2 Transitions |
Both |
0.6 - 1.8 |
7 - 21 |
Combined CI & MBPT method in APED (MAPED |
Gu, M.F. 2007, ApJS, 169, 154 | |
| Fe XVIII |
Oscillator & Line Strengths, and Radiative Decay Rates |
Both |
NA |
NA |
Relativistic BPRM method & SUPERSTRUCTURE |
Nahar, S.N. 2006, A&A, 457, 721 | |
| Fe XVIII |
L-Shell (n=2,3,4 -> 2) Line Identifications and Intensities |
Both |
EUV & X-Ray |
EUV & X-Ray |
Benchmarking Atomic Data |
Del Zanna 2006, A&A, 459, 307 | |
| Fe XVIII-XIX |
Dielectronic Recombination Rate |
Both |
NA |
NA |
Laboratory & Theoretical + XSTAR |
Savin, D.W. et al. 1999, ApJS, 123, 687 | |
| Fe XVIII-XIX |
Dielectronic Recombination Rate |
Both |
NA |
NA |
Laboratory (TSR) & Theoretical (MCBP & MCDF) |
Savin, D.W. et al. 2002, ApJ, 576, 1098 | |
| Fe XVIII-XXV K Alpha |
IDs, Wavelengths, Intensities |
PI |
6.42 - 6.70 |
1.85 - 1.93 |
EBIT and Mewe & Schrijver 1980, A&A, 87, 261 |
Decaux, V. et al. 1997, ApJ, 482, 1076 | |
| Fe XIX-XX |
Fe XIX->XX Photoionization/Recombination, Fe XX Energies & f-values
|
PI |
0.65-1.0 |
12-17 |
R-matrix inc. spin-orbit coupling |
Donnelly, D. et al. 1999, MNRAS, 307, 595 | |
| Fe XIX-XX |
Fe XIX->XX Photoionization/Recombination, Fe XX Energies & f-values,
Fe XIX f-values |
PI |
-- |
-- |
Breit-Pauli R-matrix, Relativistic Distorted-Wave, etc. |
Zhang, H.L., and Pradhan, A.K. 2000, MNRAS, 313, 13 |
This Reference claims Donnelly et al (1999) are incorrect |
| Fe XIX-XX |
Fe XIX->XX Photoionization/Recombination |
PI |
-- |
-- |
Breit-Pauli R-matrix including radiation damping effects |
McLaughlin, B.M. et al. 2001, MNRAS, 328, 442 |
|
| Fe XX |
Oscillator Strengths, Line Strengths and Radiative Deacy Rates for
Dipole Allowed, Intercombination and Forbideen Transitions | Coll & PI-- |
-- |
Close-Coupling Approximation using the Relativistic B-P R-Matrix Method
|
Nahar, S.N. 2004, A&A, 413, 779 |
||
| Fe XXI-XXII |
Fe XXXI-XX and Fe XXII-XXI Dielectronic Recombination via 2-2 Core Excit.
|
PI |
-- |
-- |
TSR experimental, MCBP, MCDF & FAC RCIM theoretical |
Savin et al. 2003, ApJS, 147, 421 |
|
| Fe XXIV |
Atomic data for K-vacancy states: energy levels, wavelengths, rates,
photoabsorption cross-sections, etc. |
PI & Coll |
-- |
-- |
-- |
Bautista, M.A. et al. 2003, A&A, 403, 339 |
|
| Fe XXIV |
Emission cross-sections for n= 3 -> 2 lines |
PI |
4 - 5 |
2.4 - 3.0 |
EBIT + XRS cf R-matrix calculations |
Chen, H. et al. 2002, ApJ, 567, L169 |
|
| Fe XXIV-XXVI |
Fe XXIV->XXV and XXV->XXVI Photoionization/Recombination |
PI |
-- |
-- |
Breit-Pauli R-matrix(BPRM) |
Nahar, S.N. et al. 2001, ApJS, 133, 255 |
|
| Fe XXV |
K-Alpha complex including dielectronic satellites |
PI and Coll |
6.7 |
1.85 |
Breit-Pauli R-matrix(BPRM) |
Oelgoetz, J.and Pradhan, A.K. 2001, MNRAS, 327, L42 |
|
| Fe VI |
Electron Impact Effective Collision Strengths & Rate Coefficients |
Coll |
UV |
UV |
Iron Project: Breit-Pauli R-Matrix Calculation |
Chen, G.X. & Pradhan, A.K. 1999, A&AS, 136, 395 | |
| Fe VII - Fe X |
Lines, Intensities, Pseudo-Continuum |
Coll |
0.08 - 0.20 |
60 - 140 |
EBIT Spectra |
Beiersdorfer, P. et al. 1999, ApJ, 519, L185 | |
| Fe VIII - Fe XIII |
Ionization Balance, EUV M-shell lines |
Coll |
0.059 - 0.078 |
160 - 210 |
FTU Tokamak Spectra |
Fournier, K.B. et al. 2001, ApJ, 550, L117 | |
| Fe IX |
Line Intensities and Ratios, Collision Strength |
Coll |
0.05 - 0.073 |
171 - 245 |
R-Matrix and Superstructure codes |
Storey, P.J. & Zeippen, C,J., 2001, MNRAS, 324, L7 | |
| Fe X |
Effective Collision Strengths for 4005 Transitions |
Coll |
--- |
--- |
Dirac Atomic R-Matrix Code (DARC) |
Aggarwal, K.M. & Keenan, F.P. 2005, A&A, 439, 1215 | |
| Fe X,XI and XIII |
Effective Collison Strengths of Fine-Structure Transitions |
General |
--- |
--- |
Breit-Pauli R-Matrix |
Tayal, S.S. 2000, ApJ, 544, 575 | |
| Fe XI |
Electron Impact Excitation Rates & Density-Sensitive Line Ratios |
Coll |
EUV |
179 - 193 |
R-Matrix Calculations |
Pinfield, D.J. et al. 2001, ApJ, 562, 566 | |
| Fe XII |
Level Populations and Line Intensities |
Coll |
UV |
UV |
Using atomic data based on R-Matrix Calculations |
Binello, A.M. et al. 2001, A&A, 370, 1071 | |
| Fe XIII |
Effective Collision Strengths |
Coll |
UV & EUV |
UV & EUV |
Fully Relativistic Dirac Atomic R-Matrix Code (DARC) |
Aggarwal, K.M. & Keenan, F.P. 2005, A&A, 429, 1117 | |
| Fe XV |
Level Populations and Line Intensities |
Coll |
UV |
UV |
Using atomic data based on Six-Configuration model; Includes
self-absorption effects via escape probability factor |
Kastner, S.O. & Bhatia, A.K. 2001, ApJ, 553, 421 | |
| Fe XVI n=5,4 to n=3 |
IDs, Wavelengths, Intensities |
Coll |
0.15 - 0.41 |
30 - 80 |
Solar Corona and SUPERSTRUCTURE |
Cornille, M. et al. 1997, A&A, 320, 333 | |
| Fe XVI n <= 4 |
Electron Impact Effective Collision Strengths |
Coll |
EUV |
EUV |
Iron Project: Breit-Pauli R-Matrix Calculation |
Eissner, W. et al. 1999, A&AS, 136, 385 | |
| Fe XVI n <= 7 |
Energy Levels, Radiative Rates, Collision and Effective Collision
Strengths |
Coll |
--- |
--- |
GRASP & Dirac R-Matrix Code (DARC) |
Aggarwal & Keenan 2006, A&A, 450, 1249 | |
| Fe XVI-XXII |
ID's, wavelengths, and intensities |
Coll |
0.69 - 1.2 |
10 - 18 |
HULLAC + EBIT + solar data + Capella HETG |
Behar, E., Cottam, J., and Kahn, S.M. 2000, ApJ, submitted | |
| Fe XVI-XXV |
Recombination rate coefficients, line-formation rate coefficients
and ionization balance |
Coll |
--- |
--- |
FAC |
Gu, M.F. 2003, ApJ, 582, 1241 | |
| Fe XVI and XXIV |
Resonance Line Emissivities |
Coll |
EUV |
EUV |
HULLAC + Goldstein et al. (1988) + Mazzotta et al. (1998)
Ionization Balance |
Laming, J.M. & Feldman, U. 1999, ApJ, 527, 461 | |
| Fe XVII |
Collision Strengths from Ground Levels |
Coll |
--- |
--- |
R-Matrix Method |
Mohan, M. et al. 1997, ApJS, 108, 389 | |
| Fe XVII |
IDs, Wavelengths, Intensities |
Coll |
0.71 - 1.26 |
9.8 - 17.5 |
EBIT, MEKAL, and HULLAC |
Brown, G.V. et al. 1998, ApJ, 502, 1015 | |
| Fe XVII |
Level Populations, EUV & X-Ray Line Intensities |
Coll |
0.72 - 0.90 (X-ray) |
13.82 - 17.10 (X-ray) |
33-level atom + escape probability technique |
Bhatia, A.K. & Kastner, S.O. 1999, ApJ, 516, 482 | |
| Fe XVII |
X-Ray Line Intensities |
Coll |
0.71 - 0.92 |
13.5 - 17.5 |
3-ion collisional-radiative model inc. RR, DR, RE, CE, and CI |
Doron, R. & Behar, E. 2002, ApJ, 574, 518 | |
| Fe XVII |
IDs, Wavelengths, Intensities |
Coll |
0.72 - 0.83 |
15.0 - 17.1 |
Solar Corona and SUPERSTRUCTURE |
Phillips, K.J.H. et al. 1997, A&A, 324, 381 | |
| Fe XVII |
IDs, Wavelengths, Intensities & Opacity |
Coll |
0.72 - 0.83 |
15.0 - 17.1 |
Solar Corona |
Saba, J.L.R. et al. 1999, ApJ, 510, 1064 | |
| Fe XVII |
Intensity Ratios |
Coll |
0.72 - 0.83 |
15.0 - 17.1 |
EBIT, R-Matrix and Distorted Wave Calculations |
Laming, J.M. et al. 2000 ApJ, 545, L161 | |
| Fe XVII |
Intensity Ratios |
Coll & Photoexcitation |
0.72 - 0.83 |
15.0 - 17.1 |
LXSS inc.HULLAC |
Mauche, C.W. et al. 2001 ApJ, 560, 992 | |
| Fe XVII |
Energy Levels, Collision Strengths; Intensity Ratios including opacity effects |
Coll |
0.72 - 1.15 & EUV/UV |
10.8 - 17.1 |
Solar Corona and SUPERSTRUCTURE |
Bhatia, A.K. & Saba, J.L.R. 2001 ApJ, 563, 434 | |
| Fe XVII |
Intensity Ratio of R to I | Coll |
0.69 - 0.92 |
13.5 - 18.0 |
PLT Tokamak and vacuum flat-crystal spectrometer measurements |
Beiersdorfer, P. et al. 2001, Phys Rev A, 64, 32705 | |
| Fe XVII |
Intensity Ratio of 3s - 2p to 3d - 2p Lines |
Coll |
0.69 - 0.89 |
14.0 - 18.0 |
EBIT-II + crystal & grazing-incidence spectrometers & microcalorimeter |
Beiersdorfer, P. et al. 2002, ApJ, 576, L169 | |
| Fe XVII |
Fine Structure Levels and Transition Probabilities for Allowed &
Forbidden Transitions |
Coll & PI |
--- |
--- |
Rel. Breit-Pauli R-matrix, SUPERSTRUCTURE and GRASP calculations
|
Nahar, S.N. et al. 2003, A&A, 408, 789 | |
| Fe XVII |
Energies, Radiative Rates, Oscillator Strengths, and Line
Strengths for all Electric Dipole (E1), Magnetic Dipole (M1), Electric
Quadrupole (E2) and Magnetic Quadrupole (M2) Transitions for the Lowest
157 Levels |
Coll & PI |
--- |
--- |
GRASP and other calculations |
Aggarwal, K.M. et al. 2004, A&A, 420, 783 | |
| Fe XVII |
3s - 2p and 3d - 2p emission line ratios |
Coll |
0.69 - 0.95 |
13 - 18 |
PLT tokamak compared to observed and spectral modeling values |
Beiersdorfer et al. 2004, ApJ, 610, 616 | |
| Fe XVIII |
Formation mechanism and ID |
Coll |
0.704 |
17.62 |
Solar Corona and flares, EBIT, and Monte Carlo fluorescence calculation |
Drake, J.J. et al. 1999, ApJ, 521, 839 | |
| Fe XVIII |
Electron-Impact Excitation Collision Strengths of n=3,4 levels |
Coll |
0.77-0.87 |
14.21-16.08 |
IRON Project R-matrix ICFT calaculations |
Witthoeft, M.C. et al. 2006, A&A, 446, 361 | |
| Fe XVIII-XXII |
Density-Sensitive Line Ratios |
Coll |
0.08-0.14 |
91-156 |
Tokamak data and HULLAC Collisional-Radiative Calculations |
Fournier, K.B. et al. ApJ, 561, 1144 | |
| Fe XVIII-XXIV |
IDs, Wavelengths, Relative Intensities |
Both |
0.7-1.2 |
10.6-18 |
EBIT and Flat Crystal Spectrometers |
Brown, G.V. et al. 2002, ApJS, 140, 589 | |
| Fe XVIII-XXIV |
Electron Impact Excitation Cross-sections of n = 3 -> 2 Lines |
Coll |
0.78-1.18 |
10.5-15.9 |
EBIT-I, Microcalorimeter and Crystal Spectrometer |
Chen, H. et al. 2006, ApJ, 646, 653 | |
| Fe XVIII-XXIV |
Identification and Intensities of n = 4-10 => n = 2 Lines |
--- |
1.1 - 1.8 |
7 - 11 |
EBIT-I & EBIT-II with Flat Crystal Spectrometers cf to FAC |
Chen, H. et al. 2007, ApJS, 168, 319 | |
| Fe XIX |
Electron Impact Excitation Collision Strengths and Rates |
Coll |
--- |
--- |
Breit-Pauli R-Matrix Calculation |
Butler, K. & Zeippen, C.J. 2001, A&A, 372, 1083 | |
| Fe XIX-XX |
Dielectronic and Radiative Recombination of Fe XX |
--- |
--- |
--- |
Laboratory, AUTOSTRUCTURE, HULLAC, Multi-Configuration Dirac-Fock,
and R-Matrix Calculations |
Savin, D.W. et al. 2002, ApJS, 138,337 | |
| Fe XX |
Electron Impact Excitation Collision Strengths and Rates |
Coll |
--- |
--- |
Breit-Pauli R-Matrix Calculation |
Butler, K. & Zeippen, C.J. 2001, A&A, 372, 1078 | |
| Fe XX |
Energy Levels, Oscillator and Line Strengths, and Transition
Probabilities | Coll & PI--- |
--- | Multiconfiguration Dirac-Fock Method checked by CI MethodJonauskas, V. et al. 2005, A&A, 433, 745 | |||
| Fe XX |
Electron Impact Excitation Collision Strengths up to n = 4 | Coll--- |
--- | R-matrix theory using an intermediate-coupling frame transformation
methodWitthoeft, M.C. et al. 2007, A&A, 466, 763 | |||
| Fe XXI |
Collision strengths and excitation rate coefficients |
Coll |
-- |
-- |
Dirac-Fock R-matrix calculation |
Aggarwal, K.M. 1991, ApJS, 77, 677. | |
| Fe XXI |
Collision strengths and rate parameters for n=2 and 2p3l levels |
Coll |
-- |
-- |
R-matrix Close Coupling calculation |
Butler, K. and Zeippen, C.J. 2000, A&AS, 143, 483 | |
| Fe XXI |
Density-sensitive 2s^2 2p^2-2s 2p^3 EUV Line Ratios |
Coll |
0.085 - 0.126 |
98 - 146 |
Based on R-matrix calculations of collisional excitation rates |
Keenan, F.P. et al. 2001, MNRAS, 326, 1387 | |
| Fe XXI-XXII |
IDs, Wavelengths, Intensities |
Coll |
1.26 - 1.32 |
9.4 - 9.8 |
Solar Corona and SUPERSTRUCTURE |
Phillips, K.J.H. et al. 1996, ApJ, 466, 549 | |
| Fe XXI-XXIV, n=4,5,6 to n=2 |
IDs, Wavelengths, Intensities |
Coll |
1.38 - 1.77 |
7 - 9 |
PLT and HULLAC |
Wargelin, B.J. et al. 1998, ApJ, 496, 1031 | |
| Fe XXI-XXIV |
Intensities of 3 => 2 Transitions inc. RE & DR Effects |
Coll |
1.0 - 1.2 |
10.5 - 12.5 |
EBIT-II Measurements and HULLAC Distorted Wave Calculations |
Gu, M.F. et al. 2001, ApJ, 563, 462 | |
| Fe XXI-XXIV |
Excitation cross-sections of n = 3 => 2 Line Emission |
Coll |
1.0 - 4.0 |
3.0 - 12.5 |
EBIT-II + (Cystal spectrometer or microcalorimeter cf to FAC & HULLAC
|
Chen, H. et al. 2005, ApJ, 618, 1086 | |
| Fe XXII |
Energies, Transition Probabilities, Oscillator & Line Strengths |
Coll or PI |
--- |
--- |
Multiconfiguration Dirac-Fock Method |
Jonauskas, V. et al. 2006, A&A, 455, 1157 | |
| Fe XXIII, n=2,3,4 fine structure levels transitions |
Line strengths, f-values, and transition energies |
Coll or PI |
--- |
--- |
CIV3 with Breit-Pauli approximation |
Tully, J.A. & Chidichimo, M.C. 2001, A&A, 365, 266 | |
| Fe XXIII, n=2,3,4->2 transitions |
Line Identifications, energy levels, collisonal & radiative data |
Coll |
0.01 - 1.5 |
8.27 - 1080 |
Benchmarking obs data against SUPERSTRUCTURE calculations |
Del Zanna, G. et al. 2005, A&A, 432, 1137 | |
| Fe XXIV, n=2,3,4,5->2 transitions |
Line Identifications, energy levels, collisonal & radiative data |
Coll |
0.05 - 1.75 |
7.1 - 256 |
Benchmarking obs data against SUPERSTRUCTURE calculations |
Del Zanna, G. 2006, A&A, 447, 761 | |
| Fe XXIV, n=3 to n=2 |
Electron impact cross-sections and emissivities |
Coll |
0.7 - 3.0 |
4.0 - 17. |
EBIT cf with R-matrix, DW, and MEKAL |
Gu, M.F. et al. 1999, ApJ, 518, 1002 | |
| Fe XXIV, n=3,4 to n=2 |
IDs, Wavelengths, Intensities |
Coll |
1.11 - 1.55 |
7.98 - 11.18 |
EBIT, HULLAC, and RDW |
Savin, D.W. et al. 1996, ApJ, 470, L73 | |
| Fe XXIV-XXV |
F-values, Line Strengths, A-values for 802 Fe XXIV and 2579 Fe XXV
dipole allowed and intercombination transitions |
General |
XUV - X-ray |
XUV - X-ray |
Fe Project CC approximation, intermediate coupling |
Nahar, S.N. & Pradhan, A.K. 1999, A&AS, 135, 437 | |
| Fe XXV-XXVI K resonance lines |
Effective collisional rates |
Coll |
6.6 - 7.0 |
1.76 - 1.87 |
Relativistic R-matrix code |
Phillips, K.J.H. et al. 2004, A&A, 416, 765 | |
| Fe XXV-XXVI, n=3 to n=2,1 & n=3 to n=2 |
IDs, Wavelengths, A-values |
Coll? |
1.15 - 8.3 |
1.5 - 10.7 |
Relativistic Perturbations |
Xu H. et al. 1995, ApJ, 441, 443 | |
| Fe XXV-XXVI (plus other ions) |
IDs, Wavelengths |
Coll |
3.8 - 10.0 |
1.2 - 3.3 |
Spectrum Synthesis using Chianti + R-Matrix Collisional Excitation
Rates |
Phillips, K.J.H. et al. 2004, ApJ, 605, 921 | |
| Fe XXVI |
Electron Impact Collision Strengths and Rate Coefficients |
Coll |
|
|
R matrix method |
Aggarwal and Kingston 1993, ApJS, 85, 187 | |
| Fe XXVI |
Electron excitation Collision Strengths |
Coll |
|
|
IRON Project |
Kiselius et al. 1996, A&AS, 118, 157 |
Please send comments, questions or corrections to Steve Drake at drake @ milkyway.gsfc.nasa.gov