J/A+A/489/1377ivo://CDS.VizieR/J/A+A/489/1377doi:10.26093/cds/vizier.34891377CDSAggarwal K.M.Keenan F.P.2008-11-29T21:32:32Z2008-11-29T22:28:38ZCDS support team

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

cds-question@unistra.fratomic-physicsIn this paper we report calculations for energy levels, radiative rates, and electron impact excitation rates for transitions in OVII. The GRASP (general-purpose relativistic atomic structure package) is adopted for calculating energy levels and radiative rates. For determining the collision strengths and subsequently the excitation rates, the Dirac atomic R-matrix code (DARC) and the flexible atomic code (FAC) are used. Oscillator strengths, radiative rates, and line strengths are reported for all E1, E2, M1, and M2 transitions among the lowest 49 levels of OVII. Collision strengths have been averaged over a Maxwellian velocity distribution, and the resulting effective collision strengths are reported over a wide temperature range below 2x10^6^K. Additionally, lifetimes are also listed for all levels.2008A&A...489.1377Ahttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/489/1377CatalogResearchIsServedByTAP VizieR generic servicerelated-toJ/A+A/486/1053 : O IV radiative and excitation rates (Aggarwal+, 2008)J/ApJS/123/311 : Excitation rate coefficients for O III (Aggarwal+, 1999)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/489/1377https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/489/1377http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/489/1377https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/489/1377https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/489/1377http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/489/1377GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapdefaultJ/A+A/489/1377/table1Energy levels (in Ryd) of O VIIrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIndex[1/49] Indexmeta.idintConfConfiguration/Levelmeta.noteNIST? Theoretical threshold energy (1)Ryinstr.sensitivitydoublenullableGRASP1Energy from the GRASP code with 49 level calculations without Breit and QED effectsRyphys.energydoubleGRASP2Energy from the GRASP code with 49 level calculations with Breit and QED effectsRyphys.energydoubleFAC1Energy from the FAC code with 49 level calculationsRyphys.energy;phys.atmol.leveldoubleFAC2Energy from the FAC code with 71 level calculationsRyphys.energy;phys.atmol.leveldoubleSS? Energy of Delahaye & Pradhan (2002, J. Phys. B, 35, 3377) from the SS codeRyphys.energy;phys.atmol.leveldoublenullableMBPT? Energy of Savukov et al. (2003, ADNDT, 85, 83) from the MBPT codeRyphys.energydoublenullableJ/A+A/489/1377/table2Transition wavelengths, radiative rates, oscillator strengths and line strengths for electric dipole (E1), and A_ji_ for E2, M1 and M2 transitions in O VIIj[2/49] Upper levelmeta.idintrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[1/48] Lower levelmeta.idintlambdaTransition wavelength, {lambda}_ij_0.1nmem.wl;phys.atmol.transitiondoubleAjiE1Electric dipole (E1) radiative rates**-1phys.atmol.transProbdoublefijE1Electric dipole (E1) oscillator strengthphys.atmol.oscStrengthdoubleSE1Electric dipole (E1) line strength (in atomic unit)spect.line.strengthdoubleAjiE2Electric quadrupole (E2) radiative rates**-1phys.atmol.transProbdoubleAjiM1Magnetic dipole (M1) radiative ratephys.atmol.transProbdoubleAjiM2Magnetic quadrupole (M2) radiative ratephys.atmol.transProbdoubleJ/A+A/489/1377/table6Effective collision strengths for transitions in O VIIrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[1/48] i index of transitionmeta.idintj[2/49] j index of transitionmeta.idintECS4.000Effective collision strength for logTe=4.000phys.atmol.collStrengthdoubleECS4.477Effective collision strength for logTe=4.477phys.atmol.collStrengthdoubleECS4.699Effective collision strength for logTe=4.699phys.atmol.collStrengthdoubleECS4.845Effective collision strength for logTe=4.845phys.atmol.collStrengthdoubleECS5.000Effective collision strength for logTe=5.000phys.atmol.collStrengthdoubleECS5.477Effective collision strength for logTe=5.477phys.atmol.collStrengthdoubleECS5.699Effective collision strength for logTe=5.699phys.atmol.collStrengthdoubleECS5.845Effective collision strength for logTe=5.845phys.atmol.collStrengthdoubleECS6.000Effective collision strength for logTe=6.000phys.atmol.collStrengthdoubleECS6.301Effective collision strength for logTe=6.301phys.atmol.collStrengthdouble