J/A+A/488/365ivo://CDS.VizieR/J/A+A/488/365doi:10.26093/cds/vizier.34880365CDSAggarwal K.M.Keenan F.P.2008-11-16T09:09:36Z2008-11-16T10:05:19ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.fratomic-physicsIn this paper we report electron impact collision strengths and excitation rates for transitions among the lowest 89 levels of NiXIX. The Dirac atomic R-matrix code (DARC) is adopted for the calculations of collision strengths and subsequently the effective collision strengths. Collision strengths for resonance transitions among 89 levels arising from the (1s^2^) 2s^2^2p^6^, 2s^2^2p^5^3l, 2s2p^6^3l, 2s^2^2p^5^4l, and 2s2p^6^4l configurations of NiXIX are reported over a wide energy range below 250Ryd. Additionally, effective collision strengths for all 3916 transitions among the 89 levels are listed over a wide temperature range below 10^7^K. Comparisons are made among different calculations and the accuracy of the data is assessed. Finally, comparisons between theoretical and experimental intensity ratios of some prominent lines of NiXIX are discussed.2008A&A...488..365Ahttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/488/365CatalogResearchIsServedByTAP VizieR generic servicerelated-toJ/A+A/427/763 : Fe X E1, E2,M1 and M2 transitions (Aggarwal+, 2004)J/A+A/439/1215 : Fe X effective collision strengths (Aggarwal+, 2005)J/A+A/399/799 : Fe XI effective collision strengths (Aggarwal+, 2003)J/A+A/418/371 : Fe XIII electron impact excitation (Aggarwal+, 2004)J/A+A/429/1117 : Fe XIII effective collision strengths (Aggarwal+, 2005)J/ApJS/121/265 : Fe XV oscillator Strengths and Radiative Rates (Deb+, 1999)J/A+A/410/349 : Fe XV effective collision strengths (Aggarwal+, 2003)J/A+A/450/1249 : Fe XVI radiative and excitation rates (Aggarwal+, 2006)J/A+A/420/783 : Fe XVII electron impact excitation (Aggarwal+, 2004)J/A+A/416/383 : Fe XVIII transition probabilities (Jonauskas+, 2004)J/ApJS/123/311 : O III excitation rate coefficients (Aggarwal+, 1999)J/A+A/407/769 : Ca XV excitation rates for transitions (Aggarwal+, 2003)J/A+A/432/1151 : Al XIII electron impact excitation (Aggarwal+, 2005)J/A+A/436/1141 : Ar XIII, Ar XIV + Ar XV radiative rates (Aggarwal+, 2005)J/A+A/441/831 : Ar XVII electron impact excitation (Aggarwal+, 2005)J/A+A/460/331 : Fe IX radiative and excitation rates (Aggarwal+, 2006)J/A+A/463/399 : Fe XVI radiative rates (Aggarwal+, 2007)J/A+A/484/879 : Fe XXVII radiative and excitation rates (Aggarwal+, 2008)J/A+A/487/383 : Ar XVIII radiative and excitation rates (Aggarwal+, 2008)J/A+A/486/1053 : O IV radiative and excitation rates (Aggarwal+, 2008)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/488/365https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/488/365http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/488/365https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/488/365https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/488/365http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/488/365GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapdefaultJ/A+A/488/365/table1Target levels of NiXIX and their threshold energies (in Ryd)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIndex[1,89] Indexmeta.idintConfConfigurationphys.atmol.configuration;instr.setupLevelLevelmeta.id;phys.atmol.levelGRASPThreshold energyRyinstr.sensitivitydoubleJ/A+A/488/365/table2Collision strengths for resonance transitions of NiXIXrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[1,88] i lower level index of the transitionmeta.idintj[2,89] j upper level index of the transitionmeta.idintCS110Collision strength at 110Ryphys.atmol.collStrengthdoubleCS130Collision strength at 130Ryphys.atmol.collStrengthdoubleCS150Collision strength at 150Ryphys.atmol.collStrengthdoubleCS200Collision strength at 200Ryphys.atmol.collStrengthdoubleCS250Collision strength at 250Ryphys.atmol.collStrengthdoubleCSFACCollision strength from FAC calculation at a single excited energy of ~145Ry (1)phys.atmol.collStrengthdoubleJ/A+A/488/365/table3Effective collision strengths for transitions in NiXIXrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[1,88] i lower level index of the transitionmeta.idintj[2,89] j upper level index of the transitionmeta.idintECS5.20Effective collision strength at logTe=5.20Kphys.atmol.collStrengthdoubleECS5.40Effective collision strength at logTe=5.40Kphys.atmol.collStrengthdoubleECS5.60Effective collision strength at logTe=5.60Kphys.atmol.collStrengthdoubleECS5.80Effective collision strength at logTe=5.80Kphys.atmol.collStrengthdoubleECS6.00Effective collision strength at logTe=6.00Kphys.atmol.collStrengthdoubleECS6.20Effective collision strength at logTe=6.20Kphys.atmol.collStrengthdoubleECS6.40Effective collision strength at logTe=6.40Kphys.atmol.collStrengthdoubleECS6.60Effective collision strength at logTe=6.60Kphys.atmol.collStrengthdoubleECS6.80Effective collision strength at logTe=6.80Kphys.atmol.collStrengthdoubleECS7.00Effective collision strength at logTe=7.00Kphys.atmol.collStrengthdouble