<?xml version='1.0'?><?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?><ri:Resource created="2017-12-02T09:16:00Z" status="active" updated="2026-01-09T12:23:04Z" version="1.2" xmlns:g-colstat="http://dc.g-vo.org/ColStats-1" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:sia="http://www.ivoa.net/xml/SIA/v1.1" xmlns:vg="http://www.ivoa.net/xml/VORegistry/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/SIA/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/SIA.xsd http://www.ivoa.net/xml/VORegistry/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VORegistry.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>Bochum Galactic Disk Survey (BGDS) images</title><shortName>bgds sia</shortName><identifier>ivo://org.gavo.dc/bgds/q/sia</identifier><curation><publisher>The GAVO DC team</publisher><creator><name>Hackstein, M.</name></creator><creator><name>Blex, J.</name></creator><creator><name>Haas, M.</name></creator><creator><name>Fein, C.</name></creator><creator><name>Chini, R.</name></creator><date role="Updated">2026-01-16T10:23:32Z</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>surveys</subject><subject>galaxy-planes</subject><subject>milky-way-galaxy</subject><subject>variable-stars</subject><subject>broad-band-photometry</subject><description> The Bochum Galactic Disk Survey is a project to monitor the stellar
content of the Galactic disk in a 6 degree wide stripe centered on the
Galactic plane. The data has been recorded from September 2010 to
September 2019 with the RoBoTT Telecsope at the
Universitaetssternwarte Bochum near Cerro Armazones in the Chilean
Atacama desert. It contains measurements of more than 2x10^7 stars.
The second and final data release contains follow-up observations from
January 2017 to September 2019 in Sloan r and i and intermittent
measurements in Johnson UVB, Sloan z and the narrowbands OIII, NB,
Halpha and SII.</description><source format="bibcode">2015AN....336..590H</source><referenceURL>https://dc.g-vo.org/bgds/q/sia/info</referenceURL><type>Survey</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://org.gavo.dc/__system__/obscore/obscore">GAVO Data Center Obscore</relatedResource><relatedResource ivo-id="ivo://org.gavo.dc/tap">GAVO Data Center TAP service</relatedResource></relationship></content><rights>
If you use GDS data, please cite
:bibcode:`2015AN....336..590H`.</rights><capability standardID="ivo://ivoa.net/std/sia" xsi:type="sia:SimpleImageAccess"><interface role="std" xsi:type="vs:ParamHTTP"><accessURL use="base">http://dc.g-vo.org/bgds/q/sia/siap.xml?</accessURL><mirrorURL>https://dc.g-vo.org/bgds/q/sia/siap.xml?</mirrorURL><queryType>GET</queryType><resultType>application/x-votable+xml</resultType><param std="false"><name>field</name><description>Survey field observed.</description><ucd>meta.id;obs.field</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="false"><name>dateObs</name><description>Epoch at midpoint of observation</description><unit>d</unit><ucd>time;obs.exposure</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="false"><name>bandpassId</name><description>Free-form name of the bandpass used</description><ucd>instr.bandpass</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>POS</name><description>ICRS Position, RA,DEC decimal degrees (e.g., 234.234,-32.46)</description><ucd>pos.eq</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>SIZE</name><description>Size in decimal degrees (e.g., 0.2 or 1,0.1)</description><unit>deg</unit><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>INTERSECT</name><description>Relation of image and specified Region of Interest.</description><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>FORMAT</name><description>Requested format of the image data</description><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>responseformat</name><description>File format requested for output.</description><ucd>meta.code.mime</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>maxrec</name><description>Maximum number of records returned. 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VERB=1 only returns the most important columns, VERB=2 selects the columns deemed useful to the average user, VERB=3 returns a table with all available columns.</description><dataType xsi:type="vs:SimpleDataType">integer</dataType></param></interface><imageServiceType>Pointed</imageServiceType><maxRecords>1000000</maxRecords><testQuery><pos><long>250.54</long><lat>-46.22</lat></pos><size><long>0.01</long><lat>0.01</lat></size></testQuery></capability><capability><interface xsi:type="vr:WebBrowser"><accessURL use="full">http://dc.g-vo.org/BGDS</accessURL><mirrorURL>https://dc.g-vo.org/BGDS</mirrorURL></interface></capability><capability standardID="ivo://ivoa.net/std/VOSI#capabilities"><interface role="std" xsi:type="vs:ParamHTTP"><accessURL use="full">http://dc.g-vo.org/bgds/q/sia/capabilities</accessURL><mirrorURL>https://dc.g-vo.org/bgds/q/sia/capabilities</mirrorURL></interface></capability><capability standardID="ivo://ivoa.net/std/VOSI#availability"><interface role="std" xsi:type="vs:ParamHTTP"><accessURL use="full">http://dc.g-vo.org/bgds/q/sia/availability</accessURL><mirrorURL>https://dc.g-vo.org/bgds/q/sia/availability</mirrorURL></interface></capability><capability standardID="ivo://ivoa.net/std/VOSI#tables"><interface role="std" version="1.1" xsi:type="vs:ParamHTTP"><accessURL use="full">http://dc.g-vo.org/bgds/q/sia/tableMetadata</accessURL><mirrorURL>https://dc.g-vo.org/bgds/q/sia/tableMetadata</mirrorURL></interface></capability><capability standardID="ivo://ivoa.net/std/TAP#aux"><interface role="std" version="1.1" xsi:type="vs:ParamHTTP"><accessURL use="full">http://dc.g-vo.org/tap</accessURL><mirrorURL>https://dc.g-vo.org/tap</mirrorURL></interface></capability><capability standardID="ivo://ivoa.net/std/SODA#sync-1.0"><interface role="std" xsi:type="vs:ParamHTTP"><accessURL use="base">http://dc.g-vo.org/bgds/q/dl/dlget</accessURL><mirrorURL>https://dc.g-vo.org/bgds/q/dl/dlget</mirrorURL></interface></capability><capability standardID="ivo://ivoa.net/std/DataLink#links-1.1"><interface role="std" xsi:type="vs:ParamHTTP"><accessURL use="base">http://dc.g-vo.org/bgds/q/dl/dlmeta</accessURL><mirrorURL>https://dc.g-vo.org/bgds/q/dl/dlmeta</mirrorURL><queryType>GET</queryType><resultType>application/x-votable+xml;content=datalink</resultType><param std="true"><name>ID</name><description>The publisher DID of the dataset of interest</description><ucd>meta.id;meta.main</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>responseformat</name><description>File format requested for output.</description><ucd>meta.code.mime</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>maxrec</name><description>Maximum number of records returned. Pass 0 to retrieve service parameters.</description><dataType xsi:type="vs:SimpleDataType">integer</dataType></param><param std="true"><name>verb</name><description>Exhaustiveness of column selection. VERB=1 only returns the most important columns, VERB=2 selects the columns deemed useful to the average user, VERB=3 returns a table with all available columns.</description><dataType xsi:type="vs:SimpleDataType">integer</dataType></param></interface></capability><facility>Universitätssternwarte Bochum near Cerro Armazones</facility><instrument>Robotic Bochum Twin Telescope (RoBoTT)</instrument><coverage><spatial>3/325,336,338,344-345,448,450-451,454-455,460-461,472,583,589,591-592,594,600,602,613,615,621,623,634,650-653,658-659,662-664,672
4/1309,1311,1348,1350,1356,1358-1359,1384-1385,1388,1798-1799,1810,1824-1825,1828-1829,1831,1852-1853,1866-1867,1892,1894-1897,1900,2325-2327,2355,2361,2363,2372,2374,2449,2451,2457,2459,2481,2483,2489,2496,2498,2504,2506,2528,2530-2531,2587,2590-2591,2595,2597-2599,2616-2618,2620,2631,2642-2643,2645-2647,2660-2661,2672-2673,2676-2677,2692,2696</spatial><temporal>55019 58751.4</temporal><spectral>1.83421e-19 6.62149e-19</spectral><footprint ivo-id="ivo://ivoa.net/std/moc">https://dc.g-vo.org/bgds/q/sia/coverage</footprint><waveband>Optical</waveband></coverage><tableset><schema><name>ivoa</name><description>Definition and support code for the ObsCore data model and table.</description><table><name>ivoa.obscore</name><description>This data collection is queryable in GAVO Data Center's obscore table.</description></table></schema><schema><name>bgds</name><title>Bochum Galactic Disk Survey BGDS</title><description> The Bochum Galactic Disk Survey is a project to monitor the stellar
content of the Galactic disk in a 6 degree wide stripe centered on the
Galactic plane. The data has been recorded from September 2010 to
September 2019 with the RoBoTT Telecsope at the
Universitaetssternwarte Bochum near Cerro Armazones in the Chilean
Atacama desert. It contains measurements of more than 2x10^7 stars.
The second and final data release contains follow-up observations from
January 2017 to September 2019 in Sloan r and i and intermittent
measurements in Johnson UVB, Sloan z and the narrowbands OIII, NB,
Halpha and SII.</description><table><name>bgds.data</name><description> The Bochum Galactic Disk Survey is a project to monitor the stellar
content of the Galactic disk in a 6 degree wide stripe centered on the
Galactic plane. The data has been recorded from September 2010 to
September 2019 with the RoBoTT Telecsope at the
Universitaetssternwarte Bochum near Cerro Armazones in the Chilean
Atacama desert. It contains measurements of more than 2x10^7 stars.
The second and final data release contains follow-up observations from
January 2017 to September 2019 in Sloan r and i and intermittent
measurements in Johnson UVB, Sloan z and the narrowbands OIII, NB,
Halpha and SII.</description><column><name>accref</name><description>Access key for the data</description><ucd>meta.ref.url</ucd><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>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>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 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