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<ri:Resource created="2005-03-13T17:19:13Z" 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>Leiden Atomic and Molecular Database (LAMDA)</title><shortName>J/A+A/432/369</shortName><identifier>ivo://CDS.VizieR/J/A+A/432/369</identifier><altIdentifier>doi:10.26093/cds/vizier.34320369</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Schoeier F.L.</name></creator><creator><name>van der Tak</name></creator><creator><name>F.F.S.</name></creator><creator><name>van Dishoeck E.F.</name></creator><creator><name>Black J.H.</name></creator><date role="Updated">2005-03-13T16:25:04Z</date><date role="Created">2005-03-13T17:19:13Z</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>Atomic and molecular data for the transitions of a number of astrophysically interesting species are summarized, including energy levels, statistical weights, Einstein A-coefficients and collisional rate coefficients. Available collisional data from quantum chemical calculations and experiments are extrapolated to higher energies (up to E/k~1000K). These data, which are made publically available through the WWW at http://www.strw.leidenuniv.nl/~moldata , are essential input for non-LTE line radiative transfer programs. An online version of a computer program for performing statistical equilibrium calculations is also made available as part of the database. Comparisons of calculated emission lines using different sets of collisional rate coefficients are presented. This database should form an important tool in analyzing observations from current and future (sub)millimetre and infrared telescopes.</description><source format="bibcode">2005A&amp;A...432..369S</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/432/369</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>http://www.strw.leidenuniv.nl/~moldata : LAMDA Home Page</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/432/369</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/432/369</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/432/369</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/432/369</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/432/369</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/432/369</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/432/369/levels</name><description>Energy levels</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>File</name><description>File name (see "\Acat{J/A+A/432/369\#sRM11.1}{Description of file}" section)</description><dataType xsi:type="vs:VOTableType" arraysize="15*">char</dataType></column><column><name>Level</name><description>Level number</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>E</name><description>Level energy</description><unit>cm**-1</unit><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Weight</name><description>Statistical weight</description><dataType xsi:type="vs:VOTableType">int</dataType></column></table><table><name>J/A+A/432/369/molecule</name><description>File contents</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>File</name><description>File name (see "\Acat{J/A+A/432/369\#sRM11.1}{Description of file}" section)</description><dataType xsi:type="vs:VOTableType" arraysize="15*">char</dataType><flag>primary</flag></column><column><name>Mol</name><description>Molecule designation</description><dataType xsi:type="vs:VOTableType" arraysize="9*">char</dataType></column><column><name>MWei</name><description>Molecular weight</description><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_MWei</name><description>[m] m if Mass instead of Molecular weight</description><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Nlev</name><description>Number of computed levels</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>n_Mol</name><description>Note on Mol</description></column><column><name>Transitions</name><description>display the transitions and collision rates</description><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column><column><name>lamda</name><description>display the contents of the LAMDA molecular file</description><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column></table></schema></tableset></ri:Resource>