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<ri:Resource created="2012-03-13T08:28:40Z" 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>Refractive index of hydrocarbon solids</title><shortName>J/A+A/540/A2</shortName><identifier>ivo://CDS.VizieR/J/A+A/540/A2</identifier><altIdentifier>doi:10.26093/cds/vizier.35400002</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Jones A.</name></creator><date role="Updated">2017-07-11T13:09:08Z</date><date role="Created">2012-03-13T08:28:40Z</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>interstellar-medium</subject><subject>astronomical-models</subject><description>The properties of hydrogenated amorphous carbon (a-C:H) dust are known to evolve in response to the local conditions. We present an adaptable model for the determination of the optical properties of low-temperature, interstellar a-C:H grains that is based on the fundamental physics of their composition.</description><source format="bibcode">2012A&amp;A...540A...2J</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/540/A2</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/A+A/542/A98">J/A+A/542/A98 : Hydrocarbon solids. optEC(s) model. II. 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