Welcome to the XSTAR documentation!

Table of Contents:

[1]

Manuel A. Bautista, Timothy R. Kallman, and Anil K. Pradhan, editors. Atomic Data Needs for X-ray Astronomy, January 2000.

[2]

J. F. Peng and A. K. Pradhan. Electron-ion recombination in astrophysical plasmas. In R. E. Williams and M. Livio, editors, The Analysis of Emission Lines, Space Institute Symposium Series No. 8, pages –. Cambridge University Press, Cambridge, 1995.

[3]

H. Zhang, D. H. Sampson, R. E. H. Clark, and others. Energy levels and radiative transition probabilities for fe xvii. Atomic Data and Nuclear Data Tables, 37:17, 1987.

[4]

N. Abu-Salbi and J. Callaway. Electron-impact excitation of hydrogenic ions. Physical Review A, 24(5):2372–2386, November 1981. doi:10.1103/PhysRevA.24.2372.

[5]

K. M. Aggarwal. Electron excitation rates among fine structure levels in O III. ApJS, 52:387–398, August 1983. doi:10.1086/190873.

[6]

K. M. Aggarwal. Electron impact excitation rates for fine-structure transitions in NE V and SI IX - an R-matrix approach. ApJS, 54:1–15, January 1984. doi:10.1086/190916.

[7]

K. M. Aggarwal. Line intensity ratios for transitions in O III. A&A, 146(1):149–158, May 1985.

[8]

K. M. Aggarwal, K. A. Berrington, P. G. Burke, A. E. Kingston, and A. Pathak. Electron collision cross sections at low energies for all transitions between the n=1, 2, 3, 4 and 5 levels of atomic hydrogen. Journal of Physics B Atomic Molecular Physics, 24(6):1385–1410, March 1991. doi:10.1088/0953-4075/24/6/024.

[9]

K. M. Aggarwal, K. A. Berrington, and F. P. Keenan. Effective collision strengths among fine-structure levels of CA XV: erratum. November 1991. doi:10.1086/191612.

[10]

K. M. Aggarwal, J. Callaway, A. E. Kingston, and K. Unnikrishnan. Excitation Rate Coefficients for Transitions among the N = 1, 2, and 3 Levels of He +. ApJS, 80:473, May 1992. doi:10.1086/191672.

[11]

K. M. Aggarwal and A. E. Kingston. Electron impact excitation of C VI: collision strengths and rate coefficients. Journal of Physics B Atomic Molecular Physics, 24(21):4583–4602, November 1991. doi:10.1088/0953-4075/24/21/011.

[12]

K. M. Aggarwal and A. E. Kingston. Electron impact excitation of Ne X: collision strengths and rate coefficients. Physica Scripta, 44(6):517–527, December 1991. doi:10.1088/0031-8949/44/6/003.

[13]

K. M. Aggarwal and A. E. Kingston. Electron impact excitation of Ca XX: collision strengths and rate coefficients. Journal of Physics B Atomic Molecular Physics, 25(3):751–771, February 1992. doi:10.1088/0953-4075/25/3/021.

[14]

K. M. Aggarwal and A. E. Kingston. Electron impact excitation of Si XIV: collision strengths and rate coefficients. Physica Scripta, 46(3):193–201, September 1992. doi:10.1088/0031-8949/46/3/001.

[15]

K. M. Aggarwal and A. E. Kingston. Electron Impact Excitation of Fe xxvi: Collision Strengths and Rate Coefficients. ApJS, 85:187, March 1993. doi:10.1086/191761.

[16]

Kanti M. Aggarwal. Collision Strengths and Excitation Rate Coefficients for Transitions in Fe XXI. ApJS, 77:677, December 1991. doi:10.1086/191619.

[17]

S. M. V. Aldrovandi and D. Pequignot. Radiative and Dielectronic Recombination Coefficients for Complex Ions. A&A, 25:137, May 1973.

[18]

S. M. V. Aldrovandi and D. Pequignot. Radiative and Dielectronic Recombination Coefficients for Complex Ions. A&A, 25:137, May 1973.

[19]

S. M. V. Aldrovandi and D. Pequignot. Erratum; Radiative and Dielectronic Recombination Coefficients for COM plex Ions. A&A, 47:321, March 1976.

[20]

E. Anders and M. Ebihara. Solar-system abundances of the elements. Geochimica et Cosmochimica Acta, 46(11):2363–2380, November 1982. doi:10.1016/0016-7037(82)90208-3.

[21]

E. Anders and N. Grevesse. Abundances of the elements: Meteoritic and solar. Geochimica et Cosmochimica Acta, 53(1):197–214, January 1989. doi:10.1016/0016-7037(89)90286-X.

[22]

M. Arnaud and J. Raymond. Iron Ionization and Recombination Rates and Ionization Equilibrium. ApJ, 398:394, October 1992. doi:10.1086/171864.

[23]

Martin Asplund, Nicolas Grevesse, A. Jacques Sauval, and Pat Scott. The Chemical Composition of the Sun. Annual Review of Astronomy and Astrophysics, 47(1):481–522, September 2009. arXiv:0909.0948, doi:10.1146/annurev.astro.46.060407.145222.

[24]

N. R. Badnell, M. G. O'Mullane, H. P. Summers, Z. Altun, M. A. Bautista, J. Colgan, T. W. Gorczyca, D. M. Mitnik, M. S. Pindzola, and O. Zatsarinny. Dielectronic recombination data for dynamic finite-density plasmas. I. Goals and methodology. A&A, 406:1151–1165, August 2003. arXiv:astro-ph/0304273, doi:10.1051/0004-6361:20030816.

[25]

David L. Band, Richard I. Klein, John I. Castor, and J. K. Nash. Iron K-Shell Emission from NGC 1068. ApJ, 362:90, October 1990. doi:10.1086/169245.

[26]

M. A. Bautista and T. R. Kallman. Recombination Spectra of Helium-like Ions. ApJ, 544(1):581–591, November 2000. arXiv:astro-ph/0006371, doi:10.1086/317206.

[27]

M. A. Bautista and T. R. Kallman. The XSTAR Atomic Database. ApJS, 134(1):139–149, May 2001. doi:10.1086/320363.

[28]

M. A. Bautista, T. R. Kallman, L. Angelini, D. A. Liedahl, and D. P. Smits. Hydrogen-like Ion Emission in the Spectra of Low-Mass X-Ray Binaries. ApJ, 509(2):848–855, December 1998. doi:10.1086/306516.

[29]

M. A. Bautista, C. Mendoza, T. R. Kallman, and P. Palmeri. Atomic data for the K-vacancy states of Fe XXIV. A&A, 403:339–355, May 2003. arXiv:astro-ph/0207323, doi:10.1051/0004-6361:20030367.

[30]

M. A. Bautista, C. Mendoza, T. R. Kallman, and P. Palmeri. Atomic data for the K-vacancy states of Fe XXIV. A&A, 403:339–355, May 2003. arXiv:astro-ph/0207323, doi:10.1051/0004-6361:20030367.

[31]

Manuel A. Bautista. Continuum Fluorescence Excitation of [N I] and [O I] Lines in Gaseous Nebulae. ApJ, 527(1):474–478, December 1999. doi:10.1086/308086.

[32]

Manuel A. Bautista and Anil K. Pradhan. Ionization Structure and Spectra of Iron in Gaseous Nebulae. ApJ, 492(2):650–676, January 1998. arXiv:astro-ph/9710073, doi:10.1086/305061.

[33]

Manuel A. Bautista, Patrizia Romano, and Anil K. Pradhan. Resonance-averaged Photoionization Cross Sections for Astrophysical Models. ApJS, 118(1):259–265, September 1998. arXiv:astro-ph/9712037, doi:10.1086/313132.

[34]

Ehud Behar, Masao Sako, and Steven M. Kahn. Soft X-Ray Absorption by Fe$^0+$ to Fe$^15+$ in Active Galactic Nuclei. ApJ, 563(2):497–504, December 2001. arXiv:astro-ph/0109314, doi:10.1086/323966.

[35]

K. L. Bell, A. Hibbert, and R. P. Stafford. Transition probabilities for some spectral lines of singly ionised nitrogen. Physica Scripta, 52(3):240–251, September 1995. doi:10.1088/0031-8949/52/3/004.

[36]

K. A. Berrington and P. G. Burke. Effective collision strengths for forbidden transitions in e-N and e-o scattering. \planss , 29(3):377–381, March 1981. doi:10.1016/0032-0633(81)90026-X.

[37]

K. A. Berrington, P. G. Burke, P. L. Dufton, and A. E. Kingston. Electron-Impact-Excitation Collision Strengths for Be-like Ions. II. Intermediate-Energy Region and Collision Rates. Atomic Data and Nuclear Data Tables, 33:195, January 1985. doi:10.1016/0092-640X(85)90001-4.

[38]

K. A. Berrington, V. M. Burke, P. G. Burke, and S. Scialla. Electron impact excitation of n=3 states of C III: an application of a new R-matrix package. Journal of Physics B Atomic Molecular Physics, 22(4):665–676, February 1989. doi:10.1088/0953-4075/22/4/012.

[39]

K. A. Berrington, S. Nakazaki, and P. H. Norrington. Atomic data from the IRON Project. XLI. Electron excitation rates among the 3d$^2$ fine-structure levels of Ca-like Fe VII. A&AS, 142:313–316, March 2000. doi:10.1051/aas:2000152.

[40]

K. A. Berrington and J. A. Tully. Atomic data from the IRON Project. XXIV. Electron excitation of Li-like Fe XXIV between the N = 2 and n' = 2, 3, 4 fine-structure levels. A&AS, 126:105–111, November 1997. doi:10.1051/aas:1997384.

[41]

K. Bhadra and R. J. W. Henry. Oscillator strengths and collision strengths for S IV. ApJ, 240:368–373, August 1980. doi:10.1086/158241.

[42]

A. K. Bhatia and G. A. Doschek. Atomic Data and Spectral Line Intensities for Ne-like Fe XVII. Atomic Data and Nuclear Data Tables, 52:1, January 1992. doi:10.1016/0092-640X(92)90007-5.

[43]

A. K. Bhatia and G. A. Doschek. Atomic Data and Spectral Line Intensities for C-Like Si IX. Atomic Data and Nuclear Data Tables, 55(2):281–314, November 1993. doi:10.1006/adnd.1993.1023.

[44]

A. K. Bhatia and G. A. Doschek. Atomic Data and Spectral Line Intensities for C-like Ne V. Atomic Data and Nuclear Data Tables, 55(2):315–348, November 1993. doi:10.1006/adnd.1993.1024.

[45]

A. K. Bhatia and G. A. Doschek. Atomic Data and Spectral Line Intensities for C-like Mg VII. Atomic Data and Nuclear Data Tables, 60:145, January 1995. doi:10.1006/adnd.1995.1006.

[46]

A. K. Bhatia, G. A. Doschek, and U. Feldman. Atomic data for S IV and solar observations of the 3x/2/3p /2/P-3s3p/2/ /4/P multiplet. A&A, 86(1-2):32–35, June 1980.

[47]

A. K. Bhatia, U. Feldman, and G. A. Doschek. New atomic data for Si/6+/, S/8+/ and Ar/10+/. A&A, 80(1):22–26, November 1979.

[48]

A. K. Bhatia, U. Feldman, and J. F. Seely. Atomic Data and Spectral Line Intensities for the Neon Isoelectronic Sequence (Si V through Kr XXVII). Atomic Data and Nuclear Data Tables, 32:435, January 1985. doi:10.1016/0092-640X(85)90020-8.

[49]

A. K. Bhatia, U. Feldman, and J. F. Seely. Atomic Data and Spectral Line Intensities for the Boron Isoelectronic Sequence (Ar XIV through Kr XXXII). Atomic Data and Nuclear Data Tables, 35:319, January 1986. doi:10.1016/0092-640X(86)90025-2.

[50]

A. K. Bhatia and S. O. Kastner. Collision Strengths and Transition Rates for O III. Atomic Data and Nuclear Data Tables, 54(1):133–164, May 1993. doi:10.1006/adnd.1993.1011.

[51]

A. K. Bhatia and H. E. Mason. Theoretical atomic structure and electron scattering data for ions in the nitrogen isoelectronic sequence - MG VI, SI VIII, S X, A XII and CA XIV. MNRAS, 190:925–929, March 1980. doi:10.1093/mnras/190.4.925.

[52]

A. K. Bhatia, J. F. Seely, and U. Feldman. Atomic Data and Spectral Line Intensities for the Carbon Isoelectronic Sequence (Ar XIII through Kr XXXI). Atomic Data and Nuclear Data Tables, 36:453, January 1987. doi:10.1016/0092-640X(87)90012-X.

[53]

A. K. Bhatia, J. F. Seely, and U. Feldman. Atomic Data and Spectral Line Intensities for the Nitrogen Isoelectronic Sequence (Ar XII through Kr XXX). Atomic Data and Nuclear Data Tables, 43:99, January 1989. doi:10.1016/0092-640X(89)90016-8.

[54]

A.K. Bhatia, J.F. Seely, and U. Feldman. Atomic data and spectral line intensities for the nitrogen isoelectronic sequence (ar xii through kr xxx). Atomic Data and Nuclear Data Tables, 43(1):99–143, 1989. URL: https://www.sciencedirect.com/science/article/pii/0092640X89900168, doi:https://doi.org/10.1016/0092-640X(89)90016-8.

[55]

A. M. Binello, H. E. Mason, and P. J. Storey. Atomic data from the IRON Project. XXV. Electron impact excitation of fine-structure transitions in the ground configuration of Fe XII. A&AS, 127:545–553, February 1998. doi:10.1051/aas:1998373.

[56]

H. M. S. Blackford and A. Hibbert. Transitions in Fluorine-Like Ions. Atomic Data and Nuclear Data Tables, 58(1):101–164, September 1994. doi:10.1006/adnd.1994.1025.

[57]

Robert D. Blum and Anil K. Pradhan. Rate Coefficients for the Excitation of Infrared and Ultraviolet Lines in C ii, N iii, and O IV. ApJS, 80:425, May 1992. doi:10.1086/191670.

[58]

P. Bryans, N. R. Badnell, T. W. Gorczyca, J. M. Laming, W. Mitthumsiri, and D. W. Savin. Collisional Ionization Equilibrium for Optically Thin Plasmas. I. Updated Recombination Rate Coefficients for Bare through Sodium-like Ions. ApJS, 167(2):343–356, December 2006. arXiv:astro-ph/0604363, doi:10.1086/507629.

[59]

P. Bryans, E. Landi, and D. W. Savin. A New Approach to Analyzing Solar Coronal Spectra and Updated Collisional Ionization Equilibrium Calculations. II. Updated Ionization Rate Coefficients. ApJ, 691(2):1540–1559, February 2009. arXiv:0805.3302, doi:10.1088/0004-637X/691/2/1540.

[60]

A. Burgess and J. A. Tully. On the analysis of collision strengths and rate coefficients. A&A, 254:436–453, February 1992.

[61]

K. Butler and C. J. Zeippen. N I forbidden lines revisited. A&A, 141(1):274–278, December 1984.

[62]

K. Butler and C. J. Zeippen. Atomic data from the IRON Project. V. Effective collision strengths for transitions in the ground configuration of oxygen-like ions. A&AS, 108:1–8, November 1994.

[63]

S. E. Butler, T. G. Heil, and A. Dalgarno. Charge transfer of multiply charged ions with hydrogen and helium: quantal calculations. ApJ, 241:442–447, October 1980. doi:10.1086/158357.

[64]

Wei Cai and Anil K. Pradhan. Excitation Rate Coefficients and Line Ratios for the Optical and Ultraviolet Transitions in S II. ApJS, 88:329, September 1993. doi:10.1086/191824.

[65]

J. Callaway. Effective Collision Strengths for Hydrogen and Hydrogen-Like Ions. Atomic Data and Nuclear Data Tables, 57(1-2):9–20, May 1994. doi:10.1006/adnd.1994.1009.

[66]

J. Callaway. Effective Collision Strengths for Hydrogen and Hydrogen-Like Ions. Atomic Data and Nuclear Data Tables, 57(1-2):9–20, May 1994. doi:10.1006/adnd.1994.1009.

[67]

G. X. Chen and A. K. Pradhan. Atomic data from the Iron Project. XXXVII. Electron impact excitation collision strengths and rate coefficients for Fe VI. A&AS, 136:395–403, April 1999. doi:10.1051/aas:1999464.

[68]

R. B. Christensen, D. W. Norcross, and A. K. Pradhan. Electron-impact excitation of ions in the magnesium sequence. II. S v, Ar vii, Ca ix, Cr xiii, and Ni xvii. Physical Review A, 34(6):4704–4715, December 1986. doi:10.1103/PhysRevA.34.4704.

[69]

M. Cornille, J. Dubau, M. Loulergue, F. Bely-Dubau, and P. Faucher. Theoretical analysis of the Fe XVIII X-ray spectrum and application to solar coronal observations. A&A, 259(2):669–681, June 1992.

[70]

W. Cunto and C. Mendoza. The Opacity Project - the Topbase Atomic Database. \rmxaa , 23:107, March 1992.

[71]

W. Cunto, C. Mendoza, F. Ochsenbein, and C. J. Zeippen. TOPbase at the CDS. A&A, 275:L5–L8, August 1993.

[72]

S. J. Czyzak and T. K. Krueger. On the Excited Levels of Fe VIII. ApJ, 144:381, April 1966. doi:10.1086/148613.

[73]

W. Dankwort and E. Trefftz. Breit-Pauli approximation for highly ionized boron-like ions, up to Fe XXII. A&A, 65(1):93–98, April 1978.

[74]

Kris Davidson and Hagai Netzer. The emission lines of quasars and similar objects. Reviews of Modern Physics, 51(4):715–766, October 1979. doi:10.1103/RevModPhys.51.715.

[75]

K. P. Dere, E. Landi, H. E. Mason, B. C. Monsignori Fossi, and P. R. Young. CHIANTI - an atomic database for emission lines. A&As, 125:149–173, October 1997. doi:10.1051/aas:1997368.

[76]

K. P. Dere, H. E. Mason, K. G. Widing, and A. K. Bhatia. XUV electron density diagnostics for solar flares. ApJS, 40:341–364, June 1979. doi:10.1086/190590.

[77]

M. A. Dopita, D. J. Mason, and W. D. Robb. Atomic nitrogen as a probe of physical conditions in the interstellar medium. ApJ, 207:102–109, July 1976. doi:10.1086/154472.

[78]

P. L. Dufton, A. Hibbert, A. E. Kingston, and G. A. Doschek. S IV emission-line ratios in the sun. ApJ, 257:338–344, June 1982. doi:10.1086/159992.

[79]

P. L. Dufton, A. Hibbert, A. E. Kingston, and G. A. Doschek. SI III line ratios in the Sun. ApJ, 274:420–428, November 1983. doi:10.1086/161458.

[80]

P. L. Dufton and A. E. Kingston. Effective collision strengths for Si III. MNRAS, 241:209–214, November 1989. doi:10.1093/mnras/241.2.209.

[81]

P. L. Dufton and A. E. Kingston. Effective collision strengths for Si II. MNRAS, 248:827–828, February 1991. doi:10.1093/mnras/248.4.827.

[82]

W. Eissner, M. E. Galavís, C. Mendoza, and C. J. Zeippen. Atomic data from the IRON Project. XXXIV. Electron impact excitation of Fe XVI. A&AS, 136:385–394, April 1999. doi:10.1051/aas:1999466.

[83]

W. Eissner, M. E. Galavís, C. Mendoza, and C. J. Zeippen. Atomic data from the IRON Project. XXXVIII. Electron impact excitation of the fine-structure transitions in the n=3 complex of Fe XV. A&AS, 137:165–173, May 1999. doi:10.1051/aas:1999243.

[84]

B. C. Fawcett. Computed Oscillator Strengths and Energy Levels for Potassium-like Ions V V, Cr VI, Mn VII, Fe VIII, Co IX, Ni X, and Cu XI with Calculated Wavelengths and Wavelengths Derived from Established Data. Atomic Data and Nuclear Data Tables, 43:71, January 1989. doi:10.1016/0092-640X(89)90015-6.

[85]

B. C. Fawcett and H. E. Mason. A Slater Parameter Optimization Method Applied to the Computation of Collision Strengths for Fe XIII. Atomic Data and Nuclear Data Tables, 43:245, January 1989. doi:10.1016/0092-640X(89)90002-8.

[86]

B. C. Fawcett and H. E. Mason. Collision Strengths and Oscillator Strengths for Fe IX. Atomic Data and Nuclear Data Tables, 47:17, January 1991. doi:10.1016/0092-640X(91)90017-X.

[87]

U. Feldman. Elemental abundances in the upper solar atmosphere. Physica Scripta, 46(3):202–220, September 1992. doi:10.1088/0031-8949/46/3/002.

[88]

George B. Field and Gary Steigman. Charge Transfer and Ionization Equilibrium in the Interstellar Medium. ApJ, 166:59, May 1971. doi:10.1086/150941.

[89]

D. R. Flower. Excitation of the Fe XII spectrum in the solar corona. A&A, 54:163–166, January 1977.

[90]

A. R. Foster, L. Ji, R. K. Smith, and N. S. Brickhouse. Updated Atomic Data and Calculations for X-Ray Spectroscopy. ApJ, 756(2):128, September 2012. arXiv:1207.0576, doi:10.1088/0004-637X/756/2/128.

[91]

Charlotte Froese Fischer and H. P. Saha. Multiconfiguration Hartree-Fock Results with Breit-Pauli Corrections for Transitions in the Carbon Sequence. Physica Scripta, 32(3):181–194, September 1985. doi:10.1088/0031-8949/32/3/004.

[92]

J. García, T. R. Kallman, M. Witthoeft, E. Behar, C. Mendoza, P. Palmeri, P. Quinet, M. A. Bautista, and M. Klapisch. Nitrogen K-Shell Photoabsorption. ApJS, 185(2):477–485, December 2009. arXiv:0910.3576, doi:10.1088/0067-0049/185/2/477.

[93]

J. García, C. Mendoza, M. A. Bautista, T. W. Gorczyca, T. R. Kallman, and P. Palmeri. K-Shell Photoabsorption of Oxygen Ions. ApJS, 158(1):68–79, May 2005. arXiv:astro-ph/0411374, doi:10.1086/428712.

[94]

R. H. Garstang. Transition probabilities for forbidden lines of Fe II. MNRAS, 124:321, January 1962. doi:10.1093/mnras/124.4.321.

[95]

J. N. Gau and Ronald J. W. Henry. Excitation of lithiumlike ions by electron impact. Physical Review A, 16(3):986–990, September 1977. doi:10.1103/PhysRevA.16.986.

[96]

K. Giles. Rate coefficients for fine structure transitions in forbidden NE IV. MNRAS, 195:63P–66P, June 1981. doi:10.1093/mnras/195.1.63P.

[97]

S. Giridhar and A. Arellano Ferro. A Critical Compilation of Oscillator Strengths for Fe II Lines. \rmxaa , 31(1):23–37, April 1995.

[98]

S. J. Goett, D. H. Sampson, and R. E. H. Clark. Intermediate-Coupling Collision Strengths for Transitions between Doubly Excited Levels Produced by Electron Impact on Highly Charged He-like Ions. Atomic Data and Nuclear Data Tables, 28:279, January 1983. doi:10.1016/0092-640X(83)90018-9.

[99]

R. J. Gould and R. K. Thakur. Atomic processes in a low-density hydrogen-helium plasma. Annals of Physics, 61:351–386, January 1970. doi:10.1016/0003-4916(70)90289-7.

[100]

R. J. Gould and R. K. Thakur. Atomic processes in a low-density hydrogen-helium plasma. Annals of Physics, 61:351–386, January 1970. doi:10.1016/0003-4916(70)90289-7.

[101]

N. Grevesse, A. Noels, and A. J. Sauval. Standard Abundances. In Stephen S. Holt and George Sonneborn, editors, Cosmic Abundances, volume 99 of Astronomical Society of the Pacific Conference Series, 117. January 1996.

[102]

N. Grevesse and A. J. Sauval. Standard Solar Composition. Space Science Reviews, 85:161–174, May 1998. doi:10.1023/A:1005161325181.

[103]

Ming F. Gu, Tomer Holczer, Ehud Behar, and Steven M. Kahn. Inner-Shell Absorption Lines of Fe VI-Fe XVI: A Many-Body Perturbation Theory Approach. ApJ, 641(2):1227–1232, April 2006. arXiv:astro-ph/0512410, doi:10.1086/500640.

[104]

Ming F. Gu, Tomer Holczer, Ehud Behar, and Steven M. Kahn. Inner-Shell Absorption Lines of Fe VI-Fe XVI: A Many-Body Perturbation Theory Approach. ApJ, 641(2):1227–1232, April 2006. arXiv:astro-ph/0512410, doi:10.1086/500640.

[105]

J. P. Harrington. Photoionization models. In Silvia Torres-Peimbert, editor, Planetary Nebulae, volume 131, 157–166. January 1989.

[106]

S. Hatchett, J. Buff, and R. McCray. Transfer of X-rays through a spherically symmetric gas cloud. ApJ, 206:847–860, June 1976. doi:10.1086/154448.

[107]

M. A. Hayes. The S III intercombination multiplet - Radiative and electron excitation data. Journal of Physics B Atomic Molecular Physics, 19:1853–1862, June 1986. doi:10.1088/0022-3700/19/12/023.

[108]

A. Hibbert, M. Ledourneuf, and M. Mohan. Energies, Oscillator Strengths, and Lifetimes for Neon-like Ions Up to Kr XXVII. Atomic Data and Nuclear Data Tables, 53(1):23–112, January 1993. doi:10.1006/adnd.1993.1002.

[109]

D. G. Hummer, K. A. Berrington, W. Eissner, Anil K. Pradhan, H. E. Saraph, and J. A. Tully. Atomic data from the IRON project. I. Goals and methods. A&A, 279:298–309, November 1993.

[110]

D. G. Hummer and G. Rybicki. The Formation of Spectral Lines. Annual Review of Astronomy and Astrophysics, 9:237, January 1971. doi:10.1146/annurev.aa.09.090171.001321.

[111]

C. T. Johnson, P. G. Burke, and A. E. Kingston. Electron scattering from the fine structure levels within the 1s$^2$2s$^2$2p$^2$ $^3$P$^e$ ground state of C I. Journal of Physics B Atomic Molecular Physics, 20(11):2553–2563, June 1987. doi:10.1088/0022-3700/20/11/022.

[112]

J. S. Kaastra and R. Mewe. X-ray emission from thin plasmas. I - Multiple Auger ionisation and fluorescence processes for Be to Zn. A&As, 97(2):443–482, January 1993.

[113]

T. R. Kallman. Photoionization models for the winds from cataclysmic variables. ApJ, 272:238–244, September 1983. doi:10.1086/161285.

[114]

W. J. Karzas and Richard Latter. Detection of the Electromagnetic Radiation from Nuclear Explosions in Space. Physical Review, 137(5B):1369–1378, March 1965. doi:10.1103/PhysRev.137.B1369.

[115]

T. Kato, J. Lang, and K. A. Berrington. Intensity Ratios of Emission Lines for O V Ions for Temperature and Density Diagnostics, and Recommended Excitation Rate Coefficients. Atomic Data and Nuclear Data Tables, 44:133, January 1990. doi:10.1016/0092-640X(90)90021-B.

[116]

T. Kato and S. Nakazaki. Recommended Data for Excitation Rate Coefficients of Helium Atoms and Helium-like Ions by Electron Impact. Atomic Data and Nuclear Data Tables, 42:313, January 1989. doi:10.1016/0092-640X(89)90010-7.

[117]

T. Kato and S. Nakazaki. Recommended Data for Excitation Rate Coefficients of Helium Atoms and Helium-like Ions by Electron Impact. Atomic Data and Nuclear Data Tables, 42:313, January 1989. doi:10.1016/0092-640X(89)90010-7.

[118]

Victor Kaufman and Jack Sugar. Forbidden Lines in ns$^2$np$^k$ Ground Configurations and nsnp Excited Configurations of Beryllium through Molybdenum Atoms and Ions. Journal of Physical and Chemical Reference Data, 15(1):321–426, January 1986. doi:10.1063/1.555775.

[119]

F. P. Keenan, S. M. McCann, and A. E. Kingston. Electron Impact Excitation Rates for Transitions from the Ground State to the n = 2 and 3 levels in Helium-Like Ions. Physica Scripta, 35(4):432–436, April 1987. doi:10.1088/0031-8949/35/4/004.

[120]

F. P. Keenan and P. H. Norrington. Relative emission line strengths for Fe VII in astrophysical plasmas. A&A, 181:370–372, July 1987.

[121]

F. P. Keenan and P. H. Norrington. Relative emission line strengths for Fe VII in astrophysical plasmas. A&A, 181:370–372, July 1987.

[122]

J. B. Kingdon and G. J. Ferland. Rate Coefficients for Charge Transfer between Hydrogen and the First 30 Elements. ApJS, 106:205, September 1996. doi:10.1086/192335.

[123]

J. B. Kingdon and G. J. Ferland. Rate Coefficients for Charge Transfer between Hydrogen and the First 30 Elements. ApJS, 106:205, September 1996. doi:10.1086/192335.

[124]

Ali Kinkhabwala, Masao Sako, Ehud Behar, Steven M. Kahn, Frits Paerels, Albert C. Brinkman, Jelle S. Kaastra, Ming Feng Gu, and Duane A. Liedahl. XMM-Newton Reflection Grating Spectrometer Observations of Discrete Soft X-Ray Emission Features from NGC 1068. ApJ, 575(2):732–746, August 2002. arXiv:astro-ph/0203290, doi:10.1086/341482.

[125]

Akihiro Kono and Shuzo Hattori. Accurate oscillator strengths for neutral helium. Physical Review A, 29(6):2981–2988, June 1984. doi:10.1103/PhysRevA.29.2981.

[126]

J. H. Krolik, C. F. McKee, and C. B. Tarter. Two-phase models of quasar emission line regions. ApJ, 249:422–442, October 1981. doi:10.1086/159303.

[127]

T. K. Krueger and S. J. Czyzak. Excitation of Forbidden Lines in Gaseous Nebulae. II. Calculations for 3p$^q$ Ions. Proceedings of the Royal Society of London Series A, 318(1535):531–539, September 1970. doi:10.1098/rspa.1970.0159.

[128]

J. Kwan and J. H. Krolik. The formation of emission lines in quasars and Seyfert nuclei. ApJ, 250:478–507, November 1981. doi:10.1086/159395.

[129]

A. C. Lanzafame. SiII resonance multiplets in the Sun. A&A, 287:972–981, July 1994.

[130]

M. LeDourneuf and R. K. Nesbet. Electron impact excitation of fine-structure levels of atomic oxygen. Journal of Physics B Atomic Molecular Physics, 9(9):L241–L243, June 1976. doi:10.1088/0022-3700/9/9/007.

[131]

D. J. Lennon and V. M. Burke. Atomic data from the IRON project. II. Effective collision strength S for infrared transitions in carbon-like ions. A&AS, 103:273–277, February 1994.

[132]

D. J. Lennon, P. L. Dufton, A. Hibbert, and A. E. Kingston. C II emission lines formed in optically thin plasmas. ApJ, 294:200–206, July 1985. doi:10.1086/163287.

[133]

K. Lodders, H. Palme, and H. -P. Gail. Abundances of the Elements in the Solar System. Landolt Börnstein, 4B:712, January 2009. arXiv:0901.1149, doi:10.1007/978-3-540-88055-4_34.

[134]

Katharina Lodders. Solar System Abundances and Condensation Temperatures of the Elements. ApJ, 591(2):1220–1247, July 2003. doi:10.1086/375492.

[135]

M. Loulergue, H. E. Mason, H. Nussbaumer, and P. J. Storey. Fe XIX transitions within the N = 2 complex. A&A, 150(2):246–250, September 1985.

[136]

I. Martin, J. Karwowski, G. H. F. Diercksen, and C. Barrientos. Transition probabilities in the lithium sequence. A&AS, 100(3):595–605, September 1993.

[137]

H. E. Mason. The excitation of several iron and calcium lines in the visible spectrum of the solar corona. MNRAS, 170:651–689, March 1975. doi:10.1093/mnras/170.3.651.

[138]

H. E. Mason. An Assessment of Theoretical Electron Excitation Data for Fe IX-Fe XIV. Atomic Data and Nuclear Data Tables, 57(1-2):305–328, May 1994. doi:10.1006/adnd.1994.1020.

[139]

H. E. Mason and A. K. Bhatia. Theoretical intensity ratios for the UV lines of Mg VII, Si IX and S XI. MNRAS, 184:423–437, August 1978. doi:10.1093/mnras/184.3.423.

[140]

H. E. Mason, A. K. Bhatia, G. A. Doschek, and U. Feldman. Fe XXI as an electron density diagnostic in solar flares. A&A, 73(1-2):74–81, March 1979.

[141]

R. McCray, C. Wright, and S. Hatchett. Interstellar ultraviolet absorption lines and galactic X-ray sources. ApJL, 211:L29–L33, January 1977. doi:10.1086/182336.

[142]

Brendan M. McLaughlin and Kenneth L. Bell. Analytical FITS for Electron Collisionally Excited Effective Collision Strengths of O II. ApJS, 94:825, October 1994. doi:10.1086/192091.

[143]

C. Mendoza. Results from the Opacity Project and TOPbase. Physica Scripta Volume T, 65:198–206, January 1996. doi:10.1088/0031-8949/1996/T65/030.

[144]

C. Mendoza, M. A. Bautista, P. Palmeri, P. Quinet, M. C. Witthoeft, and T. R. Kallman. K-shell photoabsorption and photoionization of trace elements. III. Isoelectronic sequences with electron number 19 \ensuremath \leq N \ensuremath \leq 26. A&A, 616:A62, August 2018. arXiv:1705.10724, doi:10.1051/0004-6361/201832939.

[145]

C. Mendoza, T. R. Kallman, M. A. Bautista, and P. Palmeri. Decay properties of K-vacancy states in Fe X-Fe XVII. A&A, 414:377–388, January 2004. arXiv:astro-ph/0306320, doi:10.1051/0004-6361:20031621.

[146]

C. Mendoza and C. J. Zeippen. Transition probabilities for forbidden lines in the 3p$^2$ configuration -II. MNRAS, 199:1025–1032, June 1982. doi:10.1093/mnras/199.4.1025.

[147]

C. Mendoza and C. J. Zeippen. Transition probabilities for forbidden lines in the 3p3 configuration. MNRAS, 198:127–139, January 1982. doi:10.1093/mnras/198.1.127.

[148]

M. Mohan, K. L. Baluja, and A. Hibbert. Electron-impact excitation of MG IV using the R-matrix method. Physica Scripta, 38(5):699–701, November 1988. doi:10.1088/0031-8949/38/5/008.

[149]

M. Mohan and M. Le Dourneuf. Electron-impact excitation from the Si(5+) ground state, using the R-matrix method. A&A, 227(1):285–288, January 1990.

[150]

Man Mohan, A. Hibbert, and K. L. Baluja. Electron impact excitation of S VIII from its ground state. Journal of Physics B Atomic Molecular Physics, 20(11):2565–2570, June 1987. doi:10.1088/0022-3700/20/11/023.

[151]

Man Mohan, A. Hibbert, K. A. Berrington, and P. G. Burke. Electron impact excitation of neon-like S VII from its ground state. Journal of Physics B Atomic Molecular Physics, 23(6):989–996, March 1990. doi:10.1088/0953-4075/23/6/007.

[152]

H. P. Muehlethaler and H. Nussbaumer. Transition probabilities within 2s$^2$-2s2p-2p$^2$ in the Be I sequence, Be I - Ni XXV. A&A, 48(1):109–114, April 1976.

[153]

S. N. Nahar and A. K. Pradhan. Atomic data from the Iron Project. XVII. Radiative transition probabilities for dipole allowed and forbidden transitions in Fe III. A&AS, 119:509–522, November 1996.

[154]

Sultana N. Nahar. Electron-Ion Recombination Rate Coefficients, Photoionization Cross Sections, and Ionization Fractions for Astrophysically Abundant Elements. II. Oxygen Ions. ApJS, 120(1):131–145, January 1999. doi:10.1086/313173.

[155]

H. Nussbaumer and C. Rusca. Forbidden transitions in the C I sequence. A&A, 72(1-2):129–133, February 1979.

[156]

H. Nussbaumer and P. J. Storey. N III lines for solar diagnostics. A&A, 71(1-2):L5–L8, January 1979.

[157]

H. Nussbaumer and P. J. Storey. C II two-electron transitions. A&A, 96(1-2):91–95, March 1981.

[158]

H. Nussbaumer and P. J. Storey. Dielectronic recombination at low temperatures. III - Recombination coefficients for Mg, Al, SI. A&AS, 64(3):545–555, June 1986.

[159]

H. Nussbaumer and P. J. Storey. Transition probabilities for Fe II infrared lines. A&A, 193:327–333, March 1988.

[160]

Donald E. Osterbrock. Astrophysics of gaseous nebulae. W.H. Freeman & Co., San Francisco, 1974.

[161]

P. Palmeri, C. Mendoza, T. R. Kallman, and M. A. Bautista. On the Structure of the Iron K Edge. ApJL, 577(2):L119–L122, October 2002. arXiv:astro-ph/0207324, doi:10.1086/344243.

[162]

P. Palmeri, C. Mendoza, T. R. Kallman, and M. A. Bautista. A complete set of radiative and Auger rates for K-vacancy states in Fe XVIII-Fe XXV. A&A, 403:1175–1184, June 2003. doi:10.1051/0004-6361:20030405.

[163]

P. Palmeri, C. Mendoza, T. R. Kallman, M. A. Bautista, and M. Meléndez. Modeling of iron K lines: Radiative and Auger decay data for Fe II-Fe IX. A&A, 410:359–364, October 2003. arXiv:astro-ph/0306321, doi:10.1051/0004-6361:20031262.

[164]

P. Palmeri, P. Quinet, C. Mendoza, M. A. Bautista, J. García, and T. R. Kallman. Radiative and Auger Decay of K-Vacancy Levels in the Ne, Mg, Si, S, Ar, and Ca Isonuclear Sequences. ApJS, 177(1):408–416, July 2008. doi:10.1086/587804.

[165]

J. Pelan and K. A. Berrington. Atomic data from the IRON Project. IX. Electron excitation of the \^2\^P\^0\^_3/2_-\^2\^P\^0\^_1/2_ fine-structure transition in chlorine-like ions, from AR II to NI XII. A&AS, 110:209, April 1995.

[166]

D. Pequignot and S. M. V. Aldrovandi. Effective collision strengths for the forbidden emission lines of neutral carbon, nitrogen and oxygen. A&A, 50(1):141–144, July 1976.

[167]

M. S. Pindzola, D. C. Griffin, and C. Bottcher. Coupling effects for electron-impact excitation in the potassium isoelectronic sequence. Physical Review A, 39(5):2385–2391, March 1989. doi:10.1103/PhysRevA.39.2385.

[168]

C. A. Ramsbottom, K. L. Bell, and R. P. Stafford. Effective Collision Strengths for Electron Impact Excitation of Singly Ionized Sulfur. Atomic Data and Nuclear Data Tables, 63:57, January 1996. doi:10.1006/adnd.1996.0009.

[169]

C. A. Ramsbottom, K. A. Berrington, A. Hibbert, and K. L. Bell. Electron impact excitation rates for transitions involving the n = 2 and n = 3 levels of beryllium-like N IV. Physica Scripta, 50(3):246–253, September 1994. doi:10.1088/0031-8949/50/3/005.

[170]

J. C. Raymond and B. W. Smith. Temperature Diagnostic Line Ratios of Fe XVII. ApJ, 306:762, July 1986. doi:10.1086/164385.

[171]

J. Reader, W. L. Wiese, W. C. Martin, A. Musgrove, and J. R. Fuhr. NIST Databases on Atomic Spectra. In F. Salama and et al., editors, NASA Laboratory Astrophysics Workshop, 80. November 2002.

[172]

R. R. Ross, R. Weaver, and R. McCray. The Comptonization of iron X-ray features in compact X-ray sources. ApJ, 219:292–299, January 1978. doi:10.1086/155776.

[173]

D. H. Sampson, S. J. Goett, and R. E. H. Clark. Electron-Impact Collision Strengths for Inner-Shell Excitation of Doubly Excited Levels from Singly Excited Levels in He-like Ions. Atomic Data and Nuclear Data Tables, 28:299, January 1983. doi:10.1016/0092-640X(83)90019-0.

[174]

D. H. Sampson, S. J. Goett, and R. E. H. Clark. Electron-Impact Collision Strengths for Inner-Shell Excitation of Doubly Excited Levels from Singly Excited Levels in He-like Ions. Atomic Data and Nuclear Data Tables, 28:299, January 1983. doi:10.1016/0092-640X(83)90019-0.

[175]

D. H. Sampson, S. J. Goett, and R. E. H. Clark. Collision Strengths and Line Strengths for Fine-Structure Transitions between the 2l$_a$2l$_b$ Configurations and the 2l'$_a$3l'$_b$ Configurations in Be-like Ions. Atomic Data and Nuclear Data Tables, 30:125, January 1984. doi:10.1016/0092-640X(84)90001-9.

[176]

D. H. Sampson, G. M. Weaver, S. J. Goett, H. Zhang, and R. E. H. Clark. Collision Strengths and Line Strengths for All Transitions among the Levels of the 1s$^2$2s$^2$2p, 1s$^2$2s2p$^2$, and 1s$^2$2p$^3$, Configurations of Boron-like Ions. Atomic Data and Nuclear Data Tables, 35:223, January 1986. doi:10.1016/0092-640X(86)90023-9.

[177]

D. H. Sampson, H. L. Zhang, and C. J. Fontes. Relativistic Distorted-Wave Collision Strengths and Oscillator Strengths for the 71 Na-like Ions with 22 <= Z <= 92. Atomic Data and Nuclear Data Tables, 44:209, January 1990. doi:10.1016/0092-640X(90)90014-B.

[178]

D. H. Sampson, H. L. Zhang, and C. J. Fontes. Relativistic Distorted-Wave Collision Strengths and Oscillator Strengths for F-like Ions with 22 <= Z <= 92. Atomic Data and Nuclear Data Tables, 48:25, January 1991. doi:10.1016/0092-640X(91)90023-W.

[179]

H. E. Saraph and P. J. Storey. Atomic data from the IRON Project. XI. The \^2\^Pô\^_1/ 2_-\^2\^Pô\^_3/2_ fine-structure lines of AR VI, K VII and CA VIII. A&AS, 115:151, January 1996.

[180]

H. E. Saraph and J. A. Tully. Atomic data from the IRON project. IV. Electron excitation of the \^2\^P\^0\^_3/2_-\^2\^P\^0\^_1/2_ fine structure transition in fluorine-like ions. A&AS, 107:29–38, October 1994.

[181]

M. J. Seaton. The Opacity Project. In IAU Colloq. 139: New Perspectives on Stellar Pulsation and Pulsating Variable Stars, 231. January 1993.

[182]

M. J. Seaton, C. J. Zeippen, J. A. Tully, A. K. Pradhan, C. Mendoza, A. Hibbert, and K. A. Berrington. The Opacity Project - Computation of Atomic Data. \rmxaa , 23:19, March 1992.

[183]

R. P. Stafford, K. L. Bell, and A. Hibbert. Electron impact excitation of N III - Fine-structure collision strengths and Maxwellian-averaged rate coefficients. MNRAS, 266:715, February 1994. doi:10.1093/mnras/266.3.715.

[184]

R. P. Stafford, K. L. Bell, A. Hibbert, and W. P. Wijesundera. Electron Impact Excitation of NII - Fine Structure Collision Strengths and Maxwellian-Averaged Rate Coefficients. MNRAS, 268:816, June 1994. doi:10.1093/mnras/268.3.816.

[185]

R. P. Stafford, A. Hibbert, and K. L. Bell. Accurate transition probabilities for spectral lines of N III. MNRAS, 260(2):L11–L14, January 1993. doi:10.1093/mnras/260.1.L11.

[186]

P. J. Storey, H. E. Mason, and P. R. Young. Atomic data from the IRON Project. XL. Electron impact excitation of the Fe XIV EUV transitions. A&AS, 141:285–296, January 2000. doi:10.1051/aas:2000319.

[187]

C. Bruce Tarter, Wallace H. Tucker, and Edwin E. Salpeter. The Interaction of X-Ray Sources with Optically Thin Environments. ApJ, 156:943, June 1969. doi:10.1086/150026.

[188]

S. S. Tayal, Ronald J. W. Henry, and A. K. Pradhan. Electron Excitation of Fine-Structure Transitions within the Ground 3s 23p 3 Configuration in Fe XII. ApJ, 319:951, August 1987. doi:10.1086/165511.

[189]

L. D. Thomas and R. K. Nesbet. Low-energy electron scattering by atomic nitrogen. Physical Review A, 12(6):2369–2377, December 1975. doi:10.1103/PhysRevA.12.2369.

[190]

Wallace H. Tucker and Marvin Koren. Radiation from a High-Temperature Low-Density Plasma: the X-Ray Spectrum of the Solar Corona. ApJ, 168:283, September 1971. doi:10.1086/151083.

[191]

D. A. Verner and D. G. Yakovlev. Analytic FITS for partial photoionization cross sections. A&AS, 109:125–133, January 1995.

[192]

D. A. Verner and D. G. Yakovlev. Analytic FITS for partial photoionization cross sections. A&AS, 109:125–133, January 1995.

[193]

W. L. Wiese, M. W. Smith, and B. M. Glennon. Atomic transition probabilities. Vol.: Hydrogen through Neon. A critical data compilation. NSRDS-NBS 4, 1966.

[194]

J. Wilms, A. Allen, and R. McCray. On the Absorption of X-Rays in the Interstellar Medium. ApJ, 542(2):914–924, October 2000. arXiv:astro-ph/0008425, doi:10.1086/317016.

[195]

M. C. Witthoeft, M. A. Bautista, J. García, T. R. Kallman, C. Mendoza, P. Palmeri, and P. Quinet. K-shell Photoionization of Nickel Ions using R-matrix. ApJS, 196(1):7, September 2011. arXiv:1107.3146, doi:10.1088/0067-0049/196/1/7.

[196]

M. C. Witthoeft, M. A. Bautista, C. Mendoza, T. R. Kallman, P. Palmeri, and P. Quinet. K-Shell Photoionization and Photoabsorption of Ne, Mg, Si, S, Ar, and Ca. ApJS, 182(1):127–130, May 2009. doi:10.1088/0067-0049/182/1/127.

[197]

M. C. Witthoeft, J. García, T. R. Kallman, M. A. Bautista, C. Mendoza, P. Palmeri, and P. Quinet. K-shell Photoionization of Na-like to Cl-like Ions of Mg, Si, S, Ar, and Ca. ApJS, 192(1):7, January 2011. arXiv:1010.3734, doi:10.1088/0067-0049/192/1/7.

[198]

C. J. Zeippen. Transition probabilities for forbidden lines in the 2p3 configuration. MNRAS, 198:111–125, January 1982. doi:10.1093/mnras/198.1.111.

[199]

C. J. Zeippen, K. Butler, and J. Le Bourlot. Effective collision strengths for fine-structure forbidden transitions in the 3p3 configuration of AR IV. A&A, 188(1):251–257, December 1987.

[200]

H. Zhang. Atomic data from the Iron Project. XVIII. Electron impact excitation collision strengths and rate coefficients for Fe III. A&AS, 119:523–528, November 1996.

[201]

H. L. Zhang and A. K. Pradhan. Atomic data from the Iron Project. XXVII. Electron impact excitation collision strengths and rate coefficients for Fe IV. A&AS, 126:373–378, December 1997. doi:10.1051/aas:1997388.

[202]

H. L. Zhang and D. H. Sampson. Relativistic Distorted-Wave Collision Strengths and Oscillator Strengths for the 45 \ensuremath \Delta n =0 Transitions with n = 2 in the 85 Be-like Ions with 8 <= Z <= 92. Atomic Data and Nuclear Data Tables, 52:143, January 1992. doi:10.1016/0092-640X(92)90011-6.

[203]

H. L. Zhang, D. H. Sampson, and C. J. Fontes. Relativistic Distorted-Wave Collision Strengths for the 85 Li-like Ions with 8 <= Z <= 92. Atomic Data and Nuclear Data Tables, 44:31, January 1990. doi:10.1016/0092-640X(90)90019-G.

[204]

Hong Lin Zhang, Mark Graziani, and Anil K. Pradhan. Atomic Data from the Iron Project: III. Rate Coefficients for Electron Impact Excitation of Boron-like Ions: NE VI, MG VIII, AL IX, SI X, S XII, AR XIV, CA XVI and Fe XXII. A&A, 283:319, March 1994.

[205]

Honglin Zhang and Douglas H. Sampson. Collision Rates for Excitation of Helium-like Ions with Inclusion of Resonance Effects. ApJS, 63:487, February 1987. doi:10.1086/191171.

[206]

Honglin Zhang and Douglas H. Sampson. Collision Rates for Excitation of Helium-like Ions with Inclusion of Resonance Effects. ApJS, 63:487, February 1987. doi:10.1086/191171.