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<ri:Resource created="2004-07-04T12:50:10Z" 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>Electron impact excitation of Fe XVII</title><shortName>J/A+A/420/783</shortName><identifier>ivo://CDS.VizieR/J/A+A/420/783</identifier><altIdentifier>doi:10.26093/cds/vizier.34200783</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Aggarwal K.M.</name></creator><creator><name>Keenan F.P.</name></creator><creator><name>Kisielius R.</name></creator><date role="Updated">2004-07-04T12:50:37Z</date><date role="Created">2004-07-04T12:50:10Z</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>Energies of the lowest 157 levels belonging to the (1s^2^) 2s ^2^2p^6^, 2s ^2^2p ^5^3l, 2s ^2^2p ^5^4l, 2s ^2^2p ^5^5l, 2s2p ^6^3l, 2s2p ^6^4l and 2s2p ^6^5l configurations of Fe XVII have been calculated using the GRASP code of Dyall et al. (1989, Comput. Phys. Commun., 55, 424). Additionally, radiative rates, oscillator strengths, and line strengths are calculated for all electric dipole (E1), magnetic dipole (M1), electric quadrupole (E2), and magnetic quadrupole (M2) transitions among these levels. Comparisons are made with the results already available in the literature, and the accuracy of the data is assessed. Our energy levels are expected to be accurate to better than 1%, whereas results for other parameters are probably accurate to better than 20%.</description><source format="bibcode">2004A&amp;A...420..783A</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/420/783</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship><relationship><relationshipType>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/121/265">J/ApJS/121/265 : Oscillator Strengths and Radiative Rates for FeXV (Deb+, 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/123/311">J/ApJS/123/311 : Excitation rate coefficients for O III (Aggarwal+, 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/399/799">J/A+A/399/799 : Fe XI trans. effective collision strengths (Aggarwal+, 2003)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/407/769">J/A+A/407/769 : Excitation rates for transitions in Ca XV (Aggarwal+, 2003)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/410/349">J/A+A/410/349 : Effective collision strengths in Fe XV (Aggarwal+, 2003)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/416/383">J/A+A/416/383 : Fe XVIII transition probabilities (Jonauskas+, 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/418/371">J/A+A/418/371 : Electron impact excitation of Fe XIII (Aggarwal+, 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/427/763">J/A+A/427/763 : Radiative rates of Fe X (Aggarwal+ 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/429/1117">J/A+A/429/1117 : Fe XIII effective collision strengths (Aggarwal+, 2005)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/439/1215">J/A+A/439/1215 : Fe X effective collision strengths (Aggarwal+, 2005)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/450/1249">J/A+A/450/1249 : Fe XVI radiative and excitation rates (Aggarwal+, 2006)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/460/331">J/A+A/460/331 : Fe IX radiative and excitation rates (Aggarwal+, 2006)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/463/399">J/A+A/463/399 : Fe XVI radiative rates (Aggarwal+, 2007)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/484/879">J/A+A/484/879 : Fe XXVII radiative and excitation rates (Aggarwal+, 2008)</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/420/783</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/420/783</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/420/783</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/420/783</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/420/783</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/420/783</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/420/783/table1</name><description>Target levels of Fe XVII and their threshold energy)</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>Index</name><description>Index number</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Conf</name><description>Configuration</description><ucd>phys.atmol.configuration</ucd></column><column><name>Level</name><description>Level</description><ucd>phys.atmol.qn</ucd></column><column><name>Expt</name><description>? Theoretical threshold energy (1)</description><unit>Ry</unit><ucd>phys.energy;phys.atmol.excitation</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>GRASP1</name><description>? 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Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>i</name><description>i level</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>j</name><description>j level</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Eij</name><description>Transition energy</description><unit>0.1nm</unit><ucd>phys.energy;phys.atmol.transition</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Aji</name><description>Radiative rates</description><unit>s**-1</unit><ucd>phys.atmol.transProb</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>fij</name><description>Oscillator strength</description><ucd>phys.atmol.wOscStrength</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>S</name><description>Line strength, in atomic unit</description><ucd>spect.line.intensity</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column></table><table><name>J/A+A/420/783/table5</name><description>Transition energies ({AA}), radiative rates (s^-1^), oscillator strengths, and line strengths (a.u.) for magnetic quadrupole (M2) transitions in Fe XVII.</description><column><name>recno</name><description>Record number assigned by the VizieR team. 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