<?xml version='1.0'?><?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?><ri:Resource created="2015-09-22T13:00:00Z" status="active" updated="2025-08-04T08:47:19Z" version="1.2" xmlns:g-colstat="http://dc.g-vo.org/ColStats-1" 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://dc.g-vo.org/ColStats-1 http://vo.ari.uni-heidelberg.de/docs/schemata/Colstats.xsd http://www.ivoa.net/xml/RegistryInterface/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/RegistryInterface.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:CatalogResource"><title>Optical Spectroscopy in the CDFS</title><shortName>cdfspect.data</shortName><identifier>ivo://org.gavo.dc/cdfspect/q/data</identifier><curation><publisher>The GAVO DC team</publisher><creator><name>Szokoly, G. P.</name></creator><creator><name>Bergeron, J.</name></creator><creator><name>Hasinger, G.</name></creator><creator><name>Lehmann, I.</name></creator><creator><name>Kewley, L.</name></creator><creator><name>Mainieri, V.</name></creator><creator><name>Nonino, M.</name></creator><creator><name>Rosati, P.</name></creator><creator><name>Giacconi, R.</name></creator><creator><name>Gilli, R.</name></creator><creator><name>Gilmozzi, R.</name></creator><creator><name>Norman, C.</name></creator><creator><name>Romaniello, M.</name></creator><creator><name>Schreier, E.</name></creator><creator><name>Tozzi, P.</name></creator><creator><name>Wang, J. X.</name></creator><creator><name>Zheng, W.</name></creator><creator><name>Zirm, A.</name></creator><date role="Updated">2022-01-25T15:44:32Z</date><contact><name>GAVO Data Centre Team</name><address>Mönchhofstrasse 12-14, D-69120 Heidelberg</address><email>gavo@ari.uni-heidelberg.de</email><telephone>+49 6221 54 1837</telephone></contact></curation><content><subject>spectroscopy</subject><subject>x-ray-sources</subject><description>
These spectra are optical follow-up observations of the
X-ray sources detected in the 942 ks exposure of the
Chandra Deep Field-South (CDFS) using FORS.</description><source format="bibcode">2004ApJS..155..271S</source><referenceURL>http://dc.g-vo.org/tableinfo/cdfspect.data</referenceURL><type>Survey</type></content><facility>VLT, European Southern Observatory, Chile</facility><coverage><spatial>6/35935</spatial><temporal>51845.1 52262.2</temporal><spectral>1.80586e-19 6.62149e-19</spectral><waveband>Optical</waveband></coverage><tableset><schema><name>cdfspect</name><title>Optical Spectroscopy in the CDFS</title><description>
These spectra are optical follow-up observations of the
X-ray sources detected in the 942 ks exposure of the
Chandra Deep Field-South (CDFS) using FORS.</description><table><name>cdfspect.data</name><description>
These spectra are optical follow-up observations of the
X-ray sources detected in the 942 ks exposure of the
Chandra Deep Field-South (CDFS) using FORS.</description><nrows>339</nrows><column><name>accref</name><description>Access key for the data</description><ucd>meta.ref.url;meta.dataset</ucd><utype>ssa:Access.Reference</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>owner</name><description>Owner of the data</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>embargo</name><description>Date the data will become/became public</description><unit>yr</unit><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>mime</name><description>MIME type of the file served</description><ucd>meta.code.mime</ucd><utype>ssa:Access.Format</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>accsize</name><description>Size of the data in bytes</description><unit>byte</unit><utype>ssa:Access.Size</utype><dataType xsi:type="vs:VOTableType">long</dataType><flag>nullable</flag></column><column><name>ssa_dstitle</name><description>A compact and descriptive designation of the dataset.</description><ucd>meta.title;meta.dataset</ucd><utype>ssa:DataID.Title</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType></column><column><name>ssa_creatordid</name><description>Dataset identifier assigned by the creator</description><ucd>meta.id</ucd><utype>ssa:DataID.CreatorDID</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_pubdid</name><description>Dataset identifier assigned by the publisher</description><ucd>meta.ref.ivoid</ucd><utype>ssa:Curation.PublisherDID</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>ssa_cdate</name><description>Processing/Creation date</description><ucd>time;meta.dataset</ucd><utype>ssa:DataID.Date</utype><dataType arraysize="19" extendedType="timestamp" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_pdate</name><description>Date last published.</description><utype>ssa:Curation.Date</utype><dataType arraysize="19" extendedType="timestamp" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_bandpass</name><description>Bandpass (i.e., rough spectral location) of this dataset; this should be the most appropriate term from the vocabulary http://www.ivoa.net/rdf/messenger.</description><ucd>instr.bandpass</ucd><utype>ssa:DataID.Bandpass</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_cversion</name><description>Creator assigned version for this dataset (will be incremented when this particular item is changed).</description><ucd>meta.version;meta.dataset</ucd><utype>ssa:DataID.Version</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_targname</name><description>Common name of object observed.</description><ucd>meta.id;src</ucd><utype>ssa:Target.Name</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag></column><column><name>ssa_targclass</name><description>Object class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible)</description><ucd>src.class</ucd><utype>ssa:Target.Class</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_redshift</name><description>Redshift of target object</description><ucd>src.redshift</ucd><utype>ssa:Target.Redshift</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_targetpos</name><description>Equatorial (ICRS) position of the target object.</description><ucd>pos.eq;src</ucd><utype>ssa:Target.pos.spoint</utype><dataType arraysize="2" extendedType="point" xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>ssa_snr</name><description>Signal-to-noise ratio estimated for this dataset</description><ucd>stat.snr</ucd><utype>ssa:Derived.SNR</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_location</name><description>ICRS location of aperture center</description><unit>deg</unit><ucd>pos.eq</ucd><utype>ssa:Char.SpatialAxis.Coverage.Location.Value</utype><dataType arraysize="2" extendedType="point" xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>ssa_aperture</name><description>Angular diameter of aperture</description><unit>deg</unit><ucd>phys.angSize;instr.fov</ucd><utype>ssa:Char.SpatialAxis.Coverage.Bounds.Extent</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_dateobs</name><description>Midpoint of exposure (MJD)</description><unit>d</unit><ucd>time.epoch</ucd><utype>ssa:Char.TimeAxis.Coverage.Location.Value</utype><dataType xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>ssa_timeext</name><description>Exposure duration</description><unit>s</unit><ucd>time.duration</ucd><utype>ssa:Char.TimeAxis.Coverage.Bounds.Extent</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_specmid</name><description>Midpoint of region covered in this dataset</description><unit>m</unit><ucd>instr.bandpass</ucd><utype>ssa:Char.SpectralAxis.Coverage.Location.Value</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_specext</name><description>Width of the spectrum</description><unit>m</unit><ucd>instr.bandwidth</ucd><utype>ssa:Char.SpectralAxis.Coverage.Bounds.Extent</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_specstart</name><description>Lower value of spectral coordinate</description><unit>m</unit><ucd>em.wl;stat.min</ucd><utype>ssa:Char.SpectralAxis.Coverage.Bounds.Start</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_specend</name><description>Upper value of spectral coordinate</description><unit>m</unit><ucd>em.wl;stat.max</ucd><utype>ssa:Char.SpectralAxis.Coverage.Bounds.Stop</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_length</name><description>Number of points in the spectrum</description><utype>ssa:Dataset.Length</utype><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column></table></schema></tableset></ri:Resource>