<?xml version='1.0' encoding='utf-8'?>
<?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?>
<oai:OAI-PMH xmlns:oai="http://www.openarchives.org/OAI/2.0/" 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.openarchives.org/OAI/2.0/ http://vo.ari.uni-heidelberg.de/docs/schemata/OAI-PMH.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"><oai:responseDate>2026-10-14T05:57:41Z</oai:responseDate><oai:request metadataPrefix="ivo_vor" verb="GetRecord"/><oai:GetRecord><oai:record><oai:header><oai:identifier>ivo://org.gavo.dc/usnob/res/plates/plates</oai:identifier><oai:datestamp>2024-12-27T08:31:13Z</oai:datestamp></oai:header><oai:metadata><ri:Resource created="2009-01-02T09:54:00Z" status="active" updated="2024-12-27T08:31:13Z" version="1.2" xsi:type="vs:CatalogResource"><title>Plate data for the USNO-B 1.0 Catalogue.</title><shortName>usnob.plates</shortName><identifier>ivo://org.gavo.dc/usnob/res/plates/plates</identifier><curation><publisher>The GAVO DC team</publisher><creator><name>GAVO Data Centre</name><logo>http://vo.ari.uni-heidelberg.de/docs/GavoTiny.png</logo></creator><date role="Updated">2009-08-12T00:00:00Z</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>observatories</subject><subject>wide-field-telescopes</subject><description>Plate data for the source plates of USNO-B</description><source format="bibcode">2003AJ....125..984M</source><referenceURL>http://dc.g-vo.org/tableinfo/usnob.plates</referenceURL><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://org.gavo.dc/tap">GAVO Data Center TAP service</relatedResource></relationship></content><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><coverage><spatial>0/0-11</spatial><temporal>33239.1 36670</temporal><temporal>38262 38945</temporal><temporal>42130 52590.4</temporal><spectral>2.257e-19 5.369e-19</spectral><waveband>Optical</waveband></coverage><tableset><schema><name>usnob</name><title>Plate data for the USNO-B 1.0 Catalogue.</title><description> This table contains the metadata for the plates that went into USNO-B
1.0 as best as we can reconstruct it (i.e., largely those that also
make up the Digital Sky Survey DSS). Most of the source files were
obtained from http://www.nofs.navy.mil/data/fchpix/, some additional
contributions came from Dave Monet.</description><table><name>usnob.plates</name><description>Plate data for the source plates of USNO-B</description><nrows>8855</nrows><column><name>field</name><description>Field number in survey</description><ucd>meta.id;obs.field</ucd><stats><min>1</min><percentile03>27.620000000000005</percentile03><median>444.0</median><percentile97>887.0</percentile97><max>1037</max><fillFactor>1.0</fillFactor></stats><dataType xsi:type="vs:VOTableType">short</dataType></column><column><name>plate</name><description>Plate number in USNO-B</description><ucd>meta.id;obs.field;meta.main</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>survey</name><description>Survey identifier, see long docs</description><ucd>meta.id</ucd><stats><option>A</option><option>B</option><option>C</option><option>D</option><option>E</option><option>F</option><option>G</option><option>H</option><option>I</option><option>X</option></stats><dataType arraysize="1" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag></column><column><name>epoch</name><description>Plate epoch</description><unit>yr</unit><ucd>time.epoch</ucd><dataType arraysize="19" extendedType="timestamp" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>emulsion</name><description>Emulsion</description><ucd>instr.plate.emulsion</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>filter</name><description>Filter</description><ucd>meta.id;instr.filter</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>exposure</name><description>Length of exposure</description><unit>s</unit><ucd>time.duration;obs.exposure</ucd><stats><min>0</min><percentile03>180</percentile03><median>3600</median><percentile97>7200</percentile97><max>10800</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>usnocode</name><description>2-char plate code given in the plate catalogue</description><ucd>meta.id;obs.field</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>alpha1950</name><description>Field center alpha for B1950</description><unit>deg</unit><ucd>pos.eq.ra</ucd><stats><min>0</min><percentile03>10</percentile03><median>180.019</median><percentile97>350</percentile97><max>360</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>delta1950</name><description>Field center decl for B1950</description><unit>deg</unit><ucd>pos.eq.dec</ucd><stats><min>-90</min><percentile03>-70</percentile03><median>4.99883</median><percentile97>72.5289</percentile97><max>90</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>alpha2000</name><description>Field center alpha for J2000</description><unit>deg</unit><ucd>pos.eq.ra;meta.main</ucd><stats><min>0.324065</min><percentile03>7.67832</percentile03><median>178.887</median><percentile97>347.166</percentile97><max>359.168</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>delta2000</name><description>Field center decl for J2000</description><unit>deg</unit><ucd>pos.eq.dec;meta.main</ucd><stats><min>-89.7216</min><percentile03>-69.8698</percentile03><median>4.76409</median><percentile97>72.7291</percentile97><max>89.7996</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>src</name><description>Source file for this record</description><ucd>meta.ref;meta.file</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>alphamin1950</name><unit>deg</unit><ucd>pos.eq.ra;stat.min</ucd><stats><min>0</min><percentile03>10.3554</percentile03><median>180.896</median><percentile97>349.726</percentile97><max>358.706</max><fillFactor>0.895765</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>alphamax1950</name><unit>deg</unit><ucd>pos.eq.ra;stat.max</ucd><stats><min>0.25382</min><percentile03>9.25548</percentile03><median>179.785</median><percentile97>349.469</percentile97><max>360</max><fillFactor>0.895765</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>deltamin1950</name><unit>deg</unit><ucd>pos.eq.dec;stat.min</ucd><stats><min>-90</min><percentile03>-68.3839</percentile03><median>6.71209</median><percentile97>71.4741</percentile97><max>85.2935</max><fillFactor>0.895765</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>deltamax1950</name><unit>deg</unit><ucd>pos.eq.dec;stat.max</ucd><stats><min>-86.1554</min><percentile03>-62.3134</percentile03><median>13.0481</median><percentile97>78.0648</percentile97><max>90</max><fillFactor>0.895765</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column></table></schema></tableset></ri:Resource></oai:metadata></oai:record></oai:GetRecord></oai:OAI-PMH>