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<ri:Resource created="2018-05-16T06:27:46Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" xmlns:cs="http://www.ivoa.net/xml/ConeSearch/v1.0" 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/ConeSearch/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/ConeSearch.xsd 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>Extinction towards Galactic O stars</title><shortName>J/A+A/613/A9</shortName><identifier>ivo://CDS.VizieR/J/A+A/613/A9</identifier><altIdentifier>doi:10.26093/cds/vizier.36130009</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Maiz Apellaniz J.</name></creator><creator><name>Barba R.H.</name></creator><date role="Updated">2020-05-18T09:00:52Z</date><date role="Created">2018-05-16T06:27:46Z</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>extinction</subject><subject>photometry</subject><subject>o-stars</subject><description>O stars are excellent tracers of the intervening ISM because of their high luminosity, blue intrinsic SED, and relatively featureless spectra. We are currently conducting the Galactic O-Star Spectroscopic Survey (GOSSS), which is generating a large sample of O stars with accurate spectral types within several kpc of the Sun. We aim to obtain a global picture of the properties of dust extinction in the solar neighborhood based on optical-NIR photometry of O stars with accurate spectral types. We have processed a carefully selected photometric set with the CHORIZOS code to measure the amount [E(4405-5495)] and type [R_5495_] of extinction towards 562 O-type stellar systems. We have tested three different families of extinction laws and analyzed our results with the help of additional archival data.</description><source format="bibcode">2018A&amp;A...613A...9M</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/613/A9</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>IsServedBy</relationshipType><relatedResource>Conesearch service</relatedResource></relationship><relationship><relationshipType>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/III/274">III/274 : Galactic O-Star Spectroscopic Survey (Sota+, 2014)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/V/116">V/116 : Galactic O star catalog (Maiz-apellaniz+, 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/550/A107">J/A+A/550/A107 : RV catalogue of O stars in 30 Doradus (Sana+, 2013)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/560/A29">J/A+A/560/A29 : O-stars in VLT-FLAMES Tarantula Survey (Ramirez-Agudelo+ 2013)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/564/A39">J/A+A/564/A39 : VFTS. OVz stars in 30 Dor (Sabin-Sanjulian+, 2014)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/564/A40">J/A+A/564/A40 : VFTS. O-type stellar content of 30 Dor (Walborn+, 2014)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/600/A81">J/A+A/600/A81 : VLTS. 30Dor O giants and supergiants (Ramirez-Agudelo+, 2017)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/601/A79">J/A+A/601/A79 : VLTS. Properties of O dwarf in 30 Dor (Sabin-Sanjulian+, 2017)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/562/A135">J/A+A/562/A135 : Northern Galactic OB stars vsini (Simon-Diaz+, 2014)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/597/A22">J/A+A/597/A22 : Massive O- and B-type stars velocities (Simon-Diaz+, 2017)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/613/A65">J/A+A/613/A65 : Spectroscopic parameters of O-type stars (Holgado+, 2018)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/639/A157">J/A+A/639/A157 : Massive O-type stars near ZAMS elusive detection</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/613/A9</accessURL><mirrorURL title="VizieR at IUCAA: Pune, 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