<?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?>
<ri:Resource created="2014-04-29T08:10:55Z" 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>R-band light curve of QSO J0158-4325 images</title><shortName>J/ApJ/756/52</shortName><identifier>ivo://CDS.VizieR/J/ApJ/756/52</identifier><altIdentifier>doi:10.26093/cds/vizier.17560052</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Morgan C.W.</name></creator><creator><name>Hainline L.J.</name></creator><creator><name>Chen B.</name></creator><creator><name>Tewes M.</name></creator><creator><name>Kochanek C.S.</name></creator><creator><name>Dai X.,Kozlowski S.</name></creator><creator><name>Blackburne J.A.</name></creator><creator><name>Mosquera A.M.</name></creator><creator><name>Chartas G.</name></creator><creator><name>Courbin F.,Meylan G.</name></creator><date role="Updated">2017-06-19T07:57:55Z</date><date role="Created">2014-04-29T08:10:55Z</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>quasars</subject><subject>gravitational-lensing</subject><subject>infrared-photometry</subject><subject>visible-astronomy</subject><subject>photometry</subject><subject>x-ray-sources</subject><description>We present four new seasons of optical monitoring data and six epochs of X-ray photometry for the doubly imaged lensed quasar Q J0158-4325. The high-amplitude, short-period microlensing variability for which this system is known has historically precluded a time delay measurement by conventional methods. We attempt to circumvent this limitation by the application of a Monte Carlo microlensing analysis technique, but we are only able to prove that the delay must have the expected sign (image A leads image B). Despite our failure to robustly measure the time delay, we successfully model the microlensing at optical and X-ray wavelengths to find a half-light radius for soft X-ray emission log (r_1/2,X,soft_/cm)=14.3^+0.4^_-0.5_, an upper limit on the half-light radius for hard X-ray emission log (r_1/2,X,hard_/cm)&lt;=14.6, and a refined estimate of the inclination-corrected scale radius of the optical R-band (rest frame 3100{AA}) continuum emission region of log (r_s_/cm)=15.6+/-0.3.</description><source format="bibcode">2012ApJ...756...52M</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/756/52</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/VII/258">VII/258 : Quasars and Active Galactic Nuclei (13th Ed.) (Veron+ 2010)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/553/A121">J/A+A/553/A121 : 2 lensed quasars light curves (Eulaers+, 2013)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/551/A104">J/A+A/551/A104 : Lensed QSO UM673/Q0142-100 VRi light curves (Ricci+, 2013)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/536/A53">J/A+A/536/A53 : R-band light curves of HE 0435-1223 (Courbin+, 2011)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/679/1144">J/ApJ/679/1144 : Galaxy clusters in LOS to background QSOs. I. (Lopez+, 2008)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/660/146">J/ApJ/660/146 : HE 1104-1805 differential light curves (Poindexter+, 2007)</relatedResource><relatedResource>http://www.cosmograil.org/ : COSMOSGRAIL project home page</relatedResource><relatedResource>http://www.cfa.harvard.edu/castles/ : CASTLES survey 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/ApJ/756/52</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/756/52</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/756/52</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/756/52</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/756/52</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/756/52</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><spectral>2.762881831355591e-19 3.3785437584409506e-19</spectral><footprint ivo-id="ivo://ivoa.net/std/moc"/><waveband>X-ray</waveband><waveband>Optical</waveband><waveband>Infrared</waveband></coverage><tableset><schema><name>default</name><table><name>J/ApJ/756/52/table1</name><description>Q J0158-4325 light curves</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>HJD</name><description>Heliocentric Julian Date; HJD-2450000</description><unit>d</unit><ucd>time.epoch</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Seeing</name><description>[0.9/2.1] Seeing</description><unit>arcsec</unit><ucd>instr.obsty.seeing</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>magA</name><description>[1.6/1.9] R-band magnitude of QSO image A (1)</description><unit>mag</unit><ucd>phot.mag;em.opt.R</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_magA</name><description>[0.005/0.03] Uncertainty in magA</description><unit>mag</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>u_magA</name><description>[)] magA not used in the analysis (2)</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>magB</name><description>[2.4/3.0] R-band magnitude of QSO image B (1)</description><unit>mag</unit><ucd>phot.mag;em.opt.R</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_magB</name><description>[0.01/0.07] Uncertainty in magB</description><unit>mag</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>u_magB</name><description>[)] magB not used in the analysis (2)</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Tel</name><description>Source of the observation (3)</description><ucd>meta.id;instr.tel</ucd><dataType xsi:type="vs:VOTableType" arraysize="6*">char</dataType></column></table></schema></tableset></ri:Resource>