J/A+A/682/A49ivo://CDS.VizieR/J/A+A/682/A49doi:10.26093/cds/vizier.36820049CDSGuarcello M.G.Flaccomio E.Albacete-Colombo J.F.Almendros-Abad V.,Anastasopoulou K.Andersen M.Argiroffi C.Bayo A.Bartlett E.S.,Bastian N.De Becker M.Best W.Bonito R.Borghese A.Calzetti D.,Castellanos R.Cecchi-Pestellini C.Clark S.Clarke C.J.Coti Zelati F.,Damiani F.Drake J.J.Gennaro M.Ginsburg A.Grebel E.K.Hora J.L.,Israel G.L.Lawrence G.Locci D.Mapelli M.Martinez-Galarza J.R.,Micela G.Miceli M.Moraux E.Muzic K.Najarro F.Negueruela I.,Nota A.Pallanca C.Prisinzano L.Ritchie B.Robberto M.Rom T.,Sabbi E.Scholz A.Sciortino S.Trigilio C.Umana G.Winter A.,Wright N.J.Zeidler P.2024-11-07T20:01:16Z2024-02-02T09:35:41ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.fropen-star-clustersradio-sourcesWith a mass exceeding several 10^4^M_{sun}_ and a rich and dense population of massive stars, supermassive young star clusters represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions among stars. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars. The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically, the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1Msec. Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation were carried out using the ACIS-Extract software. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a photon flux threshold of approximately 2x10^-8^ photons/cm^2^/s. The X-ray sources exhibit a highly concentrated spatial distribution, with 1075 sources located within the central 1-arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known massive stars of the cluster, and we have collected over 71000 photons from the magnetar CXO J164710.20-455217.2024A&A...682A..49Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/682/A49CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/477/147 : X-ray sources in Westerlund 1 (Clark+, 2008)J/AJ/133/2696 : BVRI light curves of Westerlund 1 stars (Bonanos, 2007)J/AJ/145/46 : UBVIc photometry in Westerlund 1 (Lim+, 2013)J/MNRAS/472/1760 : Hierarchical formation of Westerlund 1 (Gennaro+, 2017)J/A+A/632/A38 : Westerlund 1 reduced images of radio emissionJ/A+A/635/A187 : Massive binaries in Westerlund 1. VII. (Clark+, 2020)J/A+A/660/A89 : massive binaries in Westerlund 1. VIII. (Ritchie+, 2022)J/A+A/664/A146 : Westerlund 1 under light of Gaia EDR3 (Negueruela+, 2022)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/682/A49https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/682/A49http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/682/A49https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/682/A49https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/682/A49http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/682/A49GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/682/A49/tablea1 (Catalog of the X-ray sources in Westerlund 1)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/682/A49/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/682/A49/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/682/A49/tablea1?GETtext/xml+votable180.050000true251.45777194-45.939276940.0055555555555555566/42206-42207 42228-42229https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/682/A49?format=asciiRadiodefaultJ/A+A/682/A49/tablea1Catalog of the X-ray sources in Westerlund 1recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintEWOCS[1/5963] Source identifier (EWOCS_X_ID)meta.idintNameSource IAU designation, HHMMSS.ss+DDMMSS.s (CATALOG_NAME)meta.id;meta.maincharRAJ2000Right Ascension (J2000) (RA)degpos.eq.ra;meta.mainDEJ2000Declination (J2000) (DEC)degpos.eq.dec;meta.maine_RAJ2000Right declination error (ERR_RA)arcsecstat.error;pos.eq.rafloate_DEJ2000Declination error (ERR_DEC)arcsecstat.error;pos.eq.decfloatThetaOff-axis angle (THETA)arcmininstr.offsetdoubleCtotTTotal counts in 0.5-7.9keV band (C_T)ctphot.count;em.X-ray.mediumintCtotSTotal counts in 0.5-1.0keV band (C_S)ctphot.count;em.X-ray.softintCtotMTotal counts in 1.0-2.0keV band (C_M)ctphot.count;em.X-ray.softintCtotHTotal counts in 2.0-7.9keV band (C_H)ctphot.count;em.X-ray.mediumintCnetTNet counts in 0.5-7.9keV band (CNET_T)ctphot.count;em.X-ray.mediumdoubleE_CnetTUpper error of net counts in 0.5-7.9keV band (CNET_T_HI)ctstat.error;stat.maxdoubleCnetSNet counts in 0.5-1.0keV band (CNET_S)ctphot.count;em.X-ray.softdoubleE_CnetSUpper error of net counts in 0.5-1.0keV band (CNET_S_HI)ctstat.error;stat.maxdoubleCnetMNet counts in 1.0-2.0keV band (CNET_M)ctphot.count;em.X-ray.softdoubleE_CnetMUpper error of net counts in 1.0-2.0keV band (CNET_M_HI)ctstat.error;stat.maxdoubleCnetHNet counts in 2.0-7.9keV band (CNET_H)ctphot.count;em.X-ray.mediumdoubleE_CnetHUpper error of net counts in 2.0-7.9keV band (CNET_H_HI)ctstat.error;stat.maxdoublee_CnetTLower error of net counts in 0.5-7.9keV band (CNET_T_LO)ctstat.errordoublee_CnetS? Lower error of net counts in 0.5-1.0keV band (CNET_S_LO)ctstat.errordoublenullablee_CnetM? Lower error of net counts in 1.0-2.0keV band (CNET_M_LO)ctstat.errordoublenullablee_CnetH? Lower error of net counts in 2.0-7.9keV band (CNET_H_LO)ctstat.errordoublenullableEmedianMedian photon energy in the 0.5-7.9keV band (E_MEDIAN)keVem.energy;stat.mediandoubleFphTPhoton flux in 0.5-7.9keV band (F_PHOTONS_T)ph.cm**-2.s**-1phot.flux;em.X-ray.mediumdoubleFphSPhoton flux in 0.5-1.0keV band (F_PHOTONS_S)ph.cm**-2.s**-1phot.flux;em.X-ray.softdoubleFphMPhoton flux in 1.0-2.0keV band (F_PHOTONS_M)ph.cm**-2.s**-1phot.flux;em.X-ray.softdoubleFphSHPhoton flux in 2.0-7.9keV band (F_PHOTONS_H)ph.cm**-2.s**-1phot.flux;em.X-ray.mediumdoublelogPBest? Best of Prob_No_Source (LOGP_BEST)stat.fit.goodnessdoublenullableJ/A+A/682/A49/tableb1EWOCS X-ray counterparts of the massive stars in Westerlund 1 listed in Clark et al. (2020A&A...635A.187C, Cat. J/A+A/635/A187)SimbadNameSimbad column added by the CDSmeta.idcharnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIDName in Clark et al. (2020A&A...635A.187C, Cat. J/A+A/635/A187)meta.idcharSpTypeSpectral typesrc.spTypecharNameCatalog name (HHMMSS.ss+DDMMSS.s)meta.id;meta.maincharCnetTNet counts in 0.5-7.9keV bandctphot.count;em.X-ray.mediumfloatB_CnetTUpper value of net counts in 0.5-7.9keV band intervalctphot.count;em.X-ray.mediumfloatb_CnetTLower value of net counts in 0.5-7.9keV band intervalctphot.count;em.X-ray.mediumfloatFphTPhoton flux in 0.5-7.9keV bandph.cm**-2.s**-1phot.flux;em.X-ray.mediumdoubleSepSeparation between EWOCS and Clark et al. (2020A&A...635A.187C) sourcesarcsecpos.angDistancefloat