<?xml version='1.0'?><?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?><ri:Resource created="2022-03-03T08:30:00Z" status="active" updated="2022-09-23T10:23:00" 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/RegistryInterface/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/RegistryInterface-v1.0.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource-v1.1.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService-v1.1.xsd" xsi:type="vs:CatalogService"><title>The Apertif Science Verification Campaign</title><shortName>Cone Search</shortName><identifier>ivo://astron.nl/svc/q/cone</identifier><curation><publisher>ASTRON</publisher><creator><name>Adebahr, B.</name></creator><creator><name>Berger, A.</name></creator><creator><name>Adams, E. A. K.</name></creator><creator><name>Hess, K. M.</name></creator><creator><name>Dénes, H. D.</name></creator><creator><name>Moss, V. A.</name></creator><creator><name>Schulz, R.</name></creator><creator><name>van der Hulst, J. M.</name></creator><creator><name>Damstra, S.</name></creator><creator><name>Ivashina, M. V.</name></creator><creator><name>Loose, G. M.</name></creator><creator><name>Maan, Y</name></creator><creator><name>Mika, A</name></creator><creator><name>Mulder, H</name></creator><creator><name>Oostrum, L. C.</name></creator><creator><name>Orrú, E.</name></creator><creator><name>Ruiter, M.</name></creator><creator><name>Smits, R.</name></creator><creator><name>Leeuwen, J</name></creator><creator><name>Vohl, D.</name></creator><creator><name>Ziemke, J.</name></creator><date role="updated">2022-09-23T10:23:00</date><contact><name>Michael Sipior</name><address>Oude Hoogeveensedijk 4, 7991PD Dwingeloo, the Netherlands</address><email>vo@astron.nl</email></contact></curation><content><subject>h-i-line-emission</subject><subject>radio-astronomy</subject><subject>polarization</subject><subject>radio sources</subject><description> This is a source catalog of the Apertif Science Verification Campaign
containing polarised sources in the L-Band in combination with
infrared and optical data.</description><source format="bibcode">2022A&amp;A...663A.103A</source><referenceURL>https://vo.astron.nl/svc/q/cone/info</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel></content><facility>WSRT</facility><instrument>Apertif</instrument><coverage><waveband>Radio</waveband></coverage><tableset><schema><name>svc</name><title>The Apertif Science Verification Campaign</title><description> This is a source catalog of the Apertif Science Verification Campaign
containing polarised sources in the L-Band in combination with
infrared and optical data.</description><table><name>svc.main</name><description> This is a source catalog of the Apertif Science Verification Campaign
containing polarised sources in the L-Band in combination with
infrared and optical data.</description><column><name>accref</name><description>Access key for the data</description><utype>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>a</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>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><ucd>VOX:Image_FileSize</ucd><utype>Access.Size</utype><dataType xsi:type="vs:VOTableType">long</dataType><flag>nullable</flag></column><column><name>index</name><description>Source index</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>indexed</flag><flag>primary</flag></column><column><name>id</name><description>Source identifier concatenated from a prefix and the right ascension and declination of the central position of the source in degrees</description><ucd>meta.id</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ra</name><description>Right Ascension of the central position of the source in degrees.</description><unit>deg</unit><ucd>pos.eq.ra;meta.main</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>ra_err</name><description>Uncertainty of the right Ascension of the central position of the source in degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.ra;meta.main</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>dec</name><description>Declination of the central position of the source in degrees.</description><unit>deg</unit><ucd>pos.eq.dec;meta.main</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>dec_err</name><description>Uncertainty of the declination of the central position of the source in degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.dec;meta.main</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>ipi</name><description>Integrated polarised intensity of the source in units of Jy.</description><unit>Jy</unit><ucd>phys.polarization;meta.main</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>ipi_err</name><description>Uncertainty of the integrated polarised intensity of the source in units of Jy.</description><unit>Jy</unit><ucd>stat.error;phys.polarization;meta.main</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>s_code</name><description>S for unresolved sources, E for resolved sources</description><ucd>meta.code</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ra_comp</name><description>Right ascension of the position of the source component in degrees.</description><unit>deg</unit><ucd>pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>ra_comp_err</name><description>Uncertainty of the right ascension of the position of the source component in degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>dec_comp</name><description>Declination of the position of the source component in degrees.</description><unit>deg</unit><ucd>pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>dec_comp_err</name><description>Uncertainty of the declination of the position of the source component in degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>pi_comp</name><description>Polarised emission of the source component in units of Jy</description><unit>Jy</unit><ucd>phys.polarization</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>pi_comp_err</name><description>Uncertainty of the polarised emission of the source component in units of Jy</description><unit>Jy</unit><ucd>stat.error;phys.polarization</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>pi_comp_peak</name><description>Peak polarised emission of the source component in units of Jy.</description><unit>Jy</unit><ucd>phys.polarization;stat.max</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>pi_comp_peak_err</name><description>Uncertainty of the peak polarised emission of the source component in units of Jy.</description><unit>Jy</unit><ucd>stat.error;phys.polarization;stat.max</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>pi_rms</name><description>Standard deviation at the peak position of the source component in units of Jy/beam.</description><unit>Jy/beam</unit><ucd>stat.stdev;phys.polarization</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>rm_comp</name><description>Rotation measure at the peak position of the source component in units of rad/m**2.</description><unit>rad/m**2</unit><ucd>phys.polarization.rotmeasure</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>rm_comp_err</name><description>Uncertainty of the rotation measure at the peak position of the source component in units of rad/m**2.</description><unit>rad/m**2</unit><ucd>stat.error;phys.polarization.rotmeasure</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>tp_id</name><description>Total power source identifier. For internal usage only. Was used for cross-matching.</description><ucd>meta</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>tp</name><description>Radio continuum flux of the cross-matched total power counterpart in units of Jy.</description><unit>Jy</unit><ucd>phot.flux.density;em.radio;spect.continuum</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>tp_err</name><description>Uncertainty of the radio continuum flux of the cross-matched total power counterpart in units of Jy.</description><unit>Jy</unit><ucd>stat.error;phot.flux.density;em.radio;spect.continuum</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>ra_tp</name><description>Right ascension of the central position of the total power counterpart in units of degrees.</description><unit>deg</unit><ucd>pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>ra_tp_err</name><description>Uncertainty of the right ascension of the central position of the total power counterpart in units of degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>dec_tp</name><description>Declination of the central position of the total power counterpart in units of degrees.</description><unit>deg</unit><ucd>pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>dec_tp_err</name><description>Uncertainty of the declination of the central position of the total power counterpart in units of degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>fp</name><description>Fractional polarisation of the source derived from the integrated polarised and total power fluxes.</description><ucd>phys.polarization</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>fp_err</name><description>Uncertainty of the fractional polarisation of the source derived from the integrated polarised and total power fluxes.</description><ucd>stat.error;phys.polarization</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_i</name><description>Total power flux of a possible NVSS counterpart in units of Jy.</description><unit>Jy</unit><ucd>phot.flux.density</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_i_err</name><description>Uncertainty of the total power flux of a possible NVSS counterpart in units of Jy.</description><unit>Jy</unit><ucd>stat.error;phot.flux.density</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_pi</name><description>Polarised intensity flux of a possible NVSS counterpart in units of Jy.</description><unit>Jy</unit><ucd>phot.flux.density</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_pi_err</name><description>Uncertainty of the polarised intensity flux of a possible NVSS counterpart in units of Jy.</description><unit>Jy</unit><ucd>stat.error;phot.flux.density</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_fp</name><description>Fractional polarisation of a possible NVSS counterpart.</description><ucd>phys.polarization</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_fp_err</name><description>Uncertainty of the fractional polarisation of a possible NVSS counterpart.</description><ucd>stat.error;phys.polarization</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_rm</name><description>Rotation measure of a possible NVSS counterpart in units of rad/m**2.</description><unit>rad/m**2</unit><ucd>phys.polarization.rotMeasure</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_rm_err</name><description>Uncertainty of the rotation measure of a possible NVSS counterpart in units of rad/m**2.</description><unit>rad/m**2</unit><ucd>stat.error;phys.polarization.rotMeasure</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_ra</name><description>Right ascension of a possible NVSS counterpart in units of degrees.</description><unit>deg</unit><ucd>pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_ra_err</name><description>Uncertainty of the right ascension of a possible NVSS counterpart in units of degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_dec</name><description>Declination of a possible NVSS counterpart in units of degrees.</description><unit>deg</unit><ucd>pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>nvss_dec_err</name><description>Uncertainty of the declination of a possible NVSS counterpart in units of degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_id</name><description>AllWISE ID of a possible counterpart.</description><ucd>meta.id</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>wise_ra</name><description>Right ascension of a possible AllWISE counterpart in units of degrees.</description><unit>deg</unit><ucd>pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_ra_err</name><description>Uncertainty of the right ascension of a possible AllWISE counterpart in units of degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_dec</name><description>Declination of a possible AllWISE counterpart in units of degrees.</description><unit>deg</unit><ucd>pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_dec_err</name><description>Uncertainty of the declination of a possible AllWISE counterpart in units of degrees.</description><unit>deg</unit><ucd>stat.error;pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_flux_3_4</name><description>Brightness of a possible AllWISE counterpart in units of mag at 3.4μm.</description><unit>mag</unit><ucd>phot.mag;em.IR.3-4um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_flux_3_4_err</name><description>Uncertainty of the brightness of a possible AllWISE counterpart in units of mag at 3.4μm.</description><unit>mag</unit><ucd>stat.error;phot.mag;em.IR.3-4um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_snr_3_4</name><description>Signal-to-noise ratio of a possible AllWISE counterpart in units of mag at 3.4μm.</description><unit>mag</unit><ucd>stat.snr;phot.mag;em.IR.3-4um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_flux_4_6</name><description>Brightness of a possible AllWISE counterpart in units of mag at 4.6μm.</description><unit>mag</unit><ucd>phot.mag;em.IR.4-8um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_flux_4_6_err</name><description>Uncertainty of the brightness of a possible AllWISE counterpart in units of mag at 4.6μm.</description><unit>mag</unit><ucd>stat.error;phot.mag;em.IR.4-8um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_snr_4_6</name><description>Signal-to-noise ratio of a possible AllWISE counterpart in units of mag at 4.6μm.</description><unit>mag</unit><ucd>stat.snr;phot.mag;em.IR.4-8um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_flux_12</name><description>Brightness of a possible AllWISE counterpart in units of mag at 12μm.</description><unit>mag</unit><ucd>phot.mag;em.IR.8-15um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_flux_12_err</name><description>Uncertainty of the brightness of a possible AllWISE counterpart in units of mag at 12μm.</description><unit>mag</unit><ucd>stat.error;phot.mag;em.IR.8-15um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_snr_12</name><description>Signal-to-noise ratio of a possible AllWISE counterpart in units of mag at 12μm.</description><unit>mag</unit><ucd>stat.snr;phot.mag;em.IR.8-15um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_flux_22</name><description>Brightness of a possible AllWISE counterpart in units of mag at 22μm.</description><unit>mag</unit><ucd>phot.mag;em.IR.15-30um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_flux_22_err</name><description>Uncertainty of the brightness of a possible AllWISE counterpart in units of mag at 22μm.</description><unit>mag</unit><ucd>stat.error;phot.mag;em.IR.15-30um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>wise_snr_22</name><description>Signal-to-noise ratio of a possible AllWISE counterpart in units of mag at 22μm.</description><unit>mag</unit><ucd>stat.snr;phot.mag;em.IR.15-30um</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_id</name><description>SDSS DR16 ID of a possible counterpart.</description><ucd>meta.id</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>sdss_ra</name><description>Right ascension of a possible SDSS DR16 counterpart in units of degrees.</description><unit>deg</unit><ucd>pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_dec</name><description>Declination of a possible SDSS DR16 counterpart in units of degrees.</description><unit>deg</unit><ucd>pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_u</name><description>Brightness of a possible SDSS DR16 counterpart in units of mag in the U filter.</description><unit>mag</unit><ucd>phot.mag;em.opt.U</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_u_err</name><description>Uncertainty of the brightness of a possible SDSS DR16 counterpart in units of mag in the U filter.</description><unit>mag</unit><ucd>stat.error;phot.mag;em.opt.U</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_g</name><description>Brightness of a possible SDSS DR16 counterpart in units of mag in the G filter.</description><unit>mag</unit><ucd>phot.mag;em.opt.B</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_g_err</name><description>Uncertainty of the brightness of a possible SDSS DR16 counterpart in units of mag in the G filter.</description><unit>mag</unit><ucd>stat.error;phot.mag;em.opt.B</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_r</name><description>Brightness of a possible SDSS DR16 counterpart in units of mag in the R filter.</description><unit>mag</unit><ucd>phot.mag;em.opt.R</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_r_err</name><description>Uncertainty of the brightness of a possible SDSS DR16 counterpart in units of mag in the R filter.</description><unit>mag</unit><ucd>stat.error;phot.mag;em.opt.R</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_i</name><description>Brightness of a possible SDSS DR16 counterpart in units of mag in the I filter.</description><unit>mag</unit><ucd>phot.mag;em.opt.R</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_i_err</name><description>Uncertainty of the brightness of a possible SDSS DR16 counterpart in units of mag in the I filter.</description><unit>mag</unit><ucd>stat.error;phot.mag;em.opt.R</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_z</name><description>Brightness of a possible SDSS DR16 counterpart in units of mag in the Z filter.</description><unit>mag</unit><ucd>phot.mag;em.opt.I</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_flux_z_err</name><description>Uncertainty of the brightness of a possible SDSS DR16 counterpart in units of mag in the Z filter.</description><unit>mag</unit><ucd>stat.error;phot.mag;em.opt.I</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_z</name><description>Photometric or if available sprectroscopic redshift of a possible SDSS DR16 counterpart.</description><ucd>src.redshift.phot</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>sdss_z_err</name><description>Uncertainty of the photometric or if available sprectroscopic redshift of a possible SDSS DR16 counterpart.</description><ucd>stat.error;src.redshift.phot</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column></table></schema></tableset></ri:Resource>