<?xml version="1.0" encoding="utf-8"?>
<oai:OAI-PMH xmlns:oai="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><oai:responseDate>2026-10-06T08:45:42Z</oai:responseDate><oai:request identifier="oai:www.plate-archive.org:tables/applause_dr4.source_calib" metadataPrefix="oai_dc">https://www.plate-archive.org/oai/</oai:request><oai:GetRecord><oai:record><oai:header><oai:identifier>oai:www.plate-archive.org:tables/applause_dr4.source_calib</oai:identifier><oai:datestamp>2023-07-28</oai:datestamp><oai:setSpec>tables</oai:setSpec></oai:header><oai:metadata><oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><dc:identifier>10.17876/plate/dr.4/13</dc:identifier><dc:title>Extracted sources with calibrated positions and magnitudes</dc:title><dc:creator>APPLAUSE Project</dc:creator><dc:contributor>Enke, Harry</dc:contributor><dc:contributor>Tuvikene, Taavi</dc:contributor><dc:contributor>None, None</dc:contributor><dc:subject>Astronomy</dc:subject><dc:publisher>Leibniz Institute for Astrophysics Potsdam (AIP)</dc:publisher><dc:description>&lt;p&gt; Sources with calibrated magnitudes by pyplate. For calibration a crossmatch of UCAC4 and APASS was used. Catalog identifiers are given, together with match quality indicators, when a match in those cataclogs has been indentified.  The magnitude calibration uses the values of the phot_* tables. Unique Identifier &lt;code&gt;source_id&lt;/code&gt;&lt;/p&gt; 
&lt;p&gt;&lt;strong&gt;Errata&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;18.09.2026&lt;/p&gt; 
&lt;p&gt;For sources with no gaiaedr3_id (is NULL) the dependent columns  match_radius, natmag_plate, phot_calib_flags, phot_range_flags showed a numeric value = 0. This hab been corrected by setting these columns properly to the value of NULL. &lt;/p&gt;</dc:description><dc:date>2022-07-01</dc:date><dc:rights>CC0</dc:rights><dc:type>Dataset</dc:type></oai_dc:dc></oai:metadata></oai:record></oai:GetRecord></oai:OAI-PMH>