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<ri:Resource created="2006-05-03T21:15:48Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" xmlns:cs="http://www.ivoa.net/xml/ConeSearch/v1.0" 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.ivoa.net/xml/ConeSearch/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/ConeSearch.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>XMM-Newton Bright Serendipitous Survey</title><shortName>J/A+A/428/383</shortName><identifier>ivo://CDS.VizieR/J/A+A/428/383</identifier><altIdentifier>doi:10.26093/cds/vizier.34280383</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Della Ceca R.</name></creator><creator><name>Maccacaro T.</name></creator><creator><name>Caccianiga A.</name></creator><creator><name>Severgnini P.</name></creator><creator><name>Braito V.,Barcons X.</name></creator><creator><name>Carrera F.J.</name></creator><creator><name>Watson M.G.</name></creator><creator><name>Tedds J.A.</name></creator><creator><name>Brunner H.</name></creator><creator><name>Lehmann I.,Page M.J.</name></creator><creator><name>Lamer G.</name></creator><creator><name>Schwope A.</name></creator><date role="Updated">2006-05-03T21:21:16Z</date><date role="Created">2006-05-03T21:15:48Z</date><contact><name>CDS support team</name><address>CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France</address><email>cds-question@unistra.fr</email></contact></curation><content><subject>x-ray-sources</subject><subject>surveys</subject><description>We present here "The XMM-Newton Bright Serendipitous Survey", composed of two flux-limited samples: the XMM-Newton Bright Source Sample (BSS, hereafter) and the XMM-Newton "Hard" Bright Source Sample (HBSS, hereafter) having a flux limit of fX~7x10^-14^erg/cm^2^/s in the 0.5-4.5keV and 4.5-7.5keV energy band, respectively. After discussing the main goals of this project and the survey strategy, we present the basic data on a complete sample of 400 X-ray sources (389 of them belong to the BSS, 67 to the HBSS with 56 X-ray sources in common) derived from the analysis of 237 suitable XMM-Newton fields (211 for the HBSS). At the flux limit of the survey we cover a survey area of 28.10 (25.17 for the HBSS) sq. deg. The extragalactic number-flux relationships (in the 0.5-4.5keV and in the 4.5-7.5keV energy bands) are in good agreement with previous and new results making us confident about the correctness of data selection and analysis.</description><source format="bibcode">2004A&amp;A...428..383D</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/428/383</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship><relationship><relationshipType>IsServedBy</relationshipType><relatedResource>Conesearch service</relatedResource></relationship><relationship><relationshipType>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/B/xmm">B/xmm : XMM-Newton Observation Log (XMM-Newton Science Operation Center, 2002)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/IX/37">IX/37 : 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