J/A+A/506/1501ivo://CDS.VizieR/J/A+A/506/1501doi:10.26093/cds/vizier.35061501CDSAggarwal K.M.Kato T.Keenan F.P.Murakami I.2009-12-31T20:56:44Z2009-12-31T21:48:01ZCDS support team

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

cds-question@unistra.fratomic-physicsIn this paper we report on calculations of energy levels, radiative rates, oscillator strengths, line strengths, and effective collision strengths for transitions among the lowest 362 levels of the (1s^2^2s^2^2p^6^) 3s^2^3p^5^, 3s3p^6^, 3s^2^3p^4^3d, 3s3p^5^3d, 3s^2^3p^3^3d^2^, 3s3p^4^3d^2^, 3p^6^3d, and 3s^2^3p^4^4l configurations of Cr VIII.2009A&A...506.1501Ahttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/506/1501CatalogResearchIsServedByTAP 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 XXVI 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/506/1501https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/506/1501http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/506/1501https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/506/1501https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/506/1501http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/506/1501GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapdefaultJ/A+A/506/1501/table1Energy levels (in Ryd) of CrVIII and their lifetimesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIndexIndexmeta.idintConfConfigurationphys.atmol.configuration;instr.setupLevelLevelmeta.id;phys.atmol.levelENIST? NIST energy level (1)Ryphys.energy;phys.atmol.leveldoublenullableEGRASP1Coulomb energies from the GRASP codeRyphys.energy;phys.atmol.leveldoubleEGRASP2QED corrected energies the GRASP codeRyphys.energy;phys.atmol.leveldoubleEFACEnergies from the FAC CodeRyphys.energy;phys.atmol.leveldoubleECIV3? Energies of Mohan et al. (2005, J. Phys., 65, 75) from the CIV3 codeRyphys.energy;phys.atmol.leveldoublenullableEMCHF? Energies of Froese Fischer et al. (2006, At. Data Nucl. Data Tables, 92, 607) from the MCHF codeRyphys.energy;phys.atmol.leveldoublenullabletau? GRASP lifetimestime.lifetime;phys.atmol.leveldoublenullableJ/A+A/506/1501/table3Transition wavelengths, radiative rates, oscillator strengths and line strengths for electric dipole (E1), and A_ji_ for E2, M1, and M2 transitions of CrVIIIrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[1,360] Lower levelmeta.idintj[2,362] Upper levelmeta.idintlambdaijTransition wavelength0.1nmem.wl;phys.atmol.transitiondoubleAjiE1Radiative rate for electric dipole (E1)s**-1phys.atmol.transProbdoublefijE1Oscillator strength for electric dipole (E1)phys.atmol.oscStrengthdoubleSE1Line strengths for electric dipole (E1) (in atomic units)spect.line.strengthdoubleAjiE2Radiative rate for E2 transitions**-1phys.atmol.transProbdoubleAjiM1Radiative rate for M1 transitions**-1phys.atmol.transProbdoubleAjiM2Radiative rate for M2 transitions**-1phys.atmol.transProbdoubleJ/A+A/506/1501/table4Comparison of oscillator strengths for transitions among the lowest 31 levels of CrVIIIrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[1,2] Lower levelmeta.idintj[2,31] Upper levelmeta.idintGRASPGRASP oscillator strength value (1)phys.atmol.oscStrengthdoubleFACFAC oscillator strength value (2)phys.atmol.oscStrengthdoubleMCDFMCDF oscillator strength value (3)phys.atmol.oscStrengthdoubleHFR? HFR oscillator strength value (4)phys.atmol.oscStrengthdoublenullableMCHFMCFH oscillator strength value (5)phys.atmol.oscStrengthdoubleCIV3CIV3 oscillator strength value (6)phys.atmol.oscStrengthdoubleJ/A+A/506/1501/table5Comparison of lifetimes (tau) for levels of CrVIIIrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIndexIndexmeta.idintConfConfigurationphys.atmol.configuration;instr.setupLevelLevelmeta.id;phys.atmol.leveltauGRASPGRASP lifetime (1)stime.lifetimedoubletauFAC? FAC lifetime (2)stime.lifetimedoublenullabletauCIV3? CIV3 lifetime (3)stime.lifetimedoublenullabletauMCHFMCHF lifetime (4)stime.lifetimedoubleJ/A+A/506/1501/table6Effective collision strengths from the FAC code for transitions in CrVIIIj[2,362] Upper levelmeta.idintECS5.00Effective collision strength for logTe=5.00Kphys.atmol.collStrengthdoubleECS5.20Effective collision strength for logTe=5.20Kphys.atmol.collStrengthdoublerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[1,361] Lower levelmeta.idintECS5.40Effective collision strength for logTe=5.40Kphys.atmol.collStrengthdoubleECS5.60Effective collision strength for logTe=5.60Kphys.atmol.collStrengthdoubleECS5.80Effective collision strength for logTe=5.80Kphys.atmol.collStrengthdoubleECS6.00Effective collision strength for logTe=6.00Kphys.atmol.collStrengthdoubleECS6.20Effective collision strength for logTe=6.20Kphys.atmol.collStrengthdoubleECS6.40Effective collision strength for logTe=6.40Kphys.atmol.collStrengthdoubleECS6.60Effective collision strength for logTe=6.60Kphys.atmol.collStrengthdouble