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<ri:Resource created="2017-01-04T08:57:50Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogService"><title>Mg-like ions energy levels</title><shortName>J/A+A/597/A76</shortName><identifier>ivo://CDS.VizieR/J/A+A/597/A76</identifier><altIdentifier>doi:10.26093/cds/vizier.35970076</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Gustafsson S.</name></creator><creator><name>Jonsson P.</name></creator><creator><name>Froese Fischer C.</name></creator><creator><name>Grant I.P.</name></creator><date role="Updated">2017-01-04T08:19:12Z</date><date role="Created">2017-01-04T08:57:50Z</date><contact><name>CDS support team</name><address>CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France</address><email>cds-question@unistra.fr</email></contact></curation><content><subject>atomic-physics</subject><description>Multiconfiguration Dirac-Hartree-Fock (MCDHF) calculations and relativistic configuration interaction (RCI) calculations were performed for states of the 3l3l', 3l4l' and 3s5l configurations in the Mg-like ions Ca IX - As XXII and Kr XXV. Valence and core-valence electron correlation effects are accounted for through large configuration state function expansions. Calculated excitation energies are in very good agreement with observations for the lowest levels. For higher lying levels observations are often missing and present energies aid line identification in spectra. Lifetimes and transition data are given for all ions. There is an excellent agreement for both lifetimes and transition data with recent multiconfiguration Hartree-Fock Breit Pauli calculations.</description><source format="bibcode">2017A&amp;A...597A..76G</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/597/A76</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship></content><rights>https://cds.unistra.fr/vizier-org/licences_vizier.html</rights><capability><interface xsi:type="vr:WebBrowser"><accessURL use="full">https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/597/A76</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/597/A76</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/597/A76</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/597/A76</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/597/A76</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/597/A76</mirrorURL><queryType>GET</queryType><resultType>text/xml+votable</resultType></interface></capability><capability standardID="ivo://ivoa.net/std/TAP#aux"><interface xsi:type="vs:ParamHTTP" role="std"><accessURL use="base">https://tapvizier.cds.unistra.fr/TAPVizieR/tap</accessURL></interface></capability><coverage><footprint ivo-id="ivo://ivoa.net/std/moc"/></coverage><tableset><schema><name>default</name><table><name>J/A+A/597/A76/table4</name><description>Lifetimes</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Ion</name><description>Ion</description><ucd>phys.atmol.ionStage</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType></column><column><name>J</name><description>J quantum number</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>P</name><description>[+-] Parity</description><ucd>phys.atmol.parity</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>State</name><description>Quantum label of the state</description><ucd>phys.atmol.term</ucd><dataType xsi:type="vs:VOTableType" arraysize="12*">char</dataType></column><column><name>n_State</name><description>[ab] Note on State (G1)</description><ucd>phys.atmol.term</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Tl</name><description>Lifetime calculated in length form</description><unit>s</unit><ucd>time.lifetime;meta.modelled</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>dT</name><description>Accuracy indicator dT (1)</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>E+T</name><description>Display energies and lifetime</description><ucd>meta.ref.url</ucd><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column></table><table><name>J/A+A/597/A76/table6</name><description>Transition data</description><column><name>Pu</name><description>[+-] Parity upper state</description><ucd>phys.atmol.parity</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>ustate</name><description>Quantum label of the upper state</description><ucd>phys.atmol.term</ucd><dataType xsi:type="vs:VOTableType" arraysize="12*">char</dataType></column><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Ion</name><description>Ion</description><ucd>phys.atmol.ionStage</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType></column><column><name>Ju</name><description>J quantum number upper state</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>n_ustate</name><description>[ab] Note on Stateu (G1)</description><ucd>phys.atmol.term</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Jl</name><description>J quantum number lower state</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Pl</name><description>[+-] Parity lower state</description><ucd>phys.atmol.parity</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>lstate</name><description>Quantum label of the lower state</description><ucd>phys.atmol.term</ucd><dataType xsi:type="vs:VOTableType" arraysize="12*">char</dataType></column><column><name>n_lstate</name><description>[ab] Note on Statel (G1)</description><ucd>phys.atmol.term</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>EM</name><description>Electromagnetic multipole</description><ucd>em</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>DeltaE</name><description>Transition energy</description><unit>cm**-1</unit><ucd>phys.energy;phys.atmol.transition</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>lambda</name><description>Wavelength (in {AA})</description><unit>0.1nm</unit><ucd>em.wl</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>A</name><description>Transition rate in length form</description><unit>s**-1</unit><ucd>arith.rate</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>gf</name><description>Weighted oscillator strength</description><ucd>phys.atmol.oscStrength</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>dA</name><description>? Accuracy indicator dA (1)</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column></table><table><name>J/A+A/597/A76/table2</name><description>Comparison of calculated and observed excitation energies</description><column><name>Ion</name><description>Ion</description><ucd>phys.atmol.ionStage</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType></column><column><name>recno</name><description>Record number assigned by the VizieR team. 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