{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T16:18:08Z","timestamp":1785773888348,"version":"3.56.0"},"reference-count":52,"publisher":"EDP Sciences","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["A&A"],"published-print":{"date-parts":[[2003,8]]},"DOI":"10.1051\/0004-6361:20030679","type":"journal-article","created":{"date-parts":[[2003,7,16]],"date-time":"2003-07-16T08:56:08Z","timestamp":1058345768000},"page":"535-553","source":"Crossref","is-referenced-by-count":74,"title":["The Hamburg\/RASS Catalogue of optical identifications"],"prefix":"10.1051","volume":"406","author":[{"given":"F.-J.","family":"Zickgraf","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D.","family":"Engels","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.-J.","family":"Hagen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D.","family":"Reimers","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W.","family":"Voges","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"250","published-online":{"date-parts":[[2003,11,17]]},"reference":[{"key":"R1","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1086\/313125","volume":"117","author":"Appenzeller","year":"1998","journal-title":"ApJS"},{"key":"R2","doi-asserted-by":"crossref","first-page":"1404","DOI":"10.1364\/AO.27.001404","volume":"27","author":"Aschenbach","year":"1988","journal-title":"Appl. Opt."},{"key":"R3","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1051\/aas:1998339","volume":"127","author":"Bade","year":"1998","journal-title":"A&AS"},{"key":"R4","first-page":"459","volume":"334","author":"Bade","year":"1998","journal-title":"A&A"},{"key":"R5","doi-asserted-by":"crossref","first-page":"927","DOI":"10.1051\/0004-6361:20030184","volume":"401","author":"Beckmann","year":"2003","journal-title":"A&A"},{"key":"R6","doi-asserted-by":"crossref","first-page":"2000","DOI":"10.1086\/118412","volume":"113","author":"Bischoff","year":"1997","journal-title":"AJ"},{"key":"R7","first-page":"739","volume":"323","author":"Brinkmann","year":"1997","journal-title":"A&A"},{"key":"R8","doi-asserted-by":"crossref","first-page":"51","DOI":"10.1086\/306822","volume":"513","author":"Caccianiga","year":"1999","journal-title":"ApJ"},{"key":"R9","doi-asserted-by":"crossref","first-page":"1693","DOI":"10.1086\/300337","volume":"115","author":"Condon","year":"1998","journal-title":"AJ"},{"key":"R10","doi-asserted-by":"crossref","first-page":"405","DOI":"10.1086\/150672","volume":"162","author":"Crawford","year":"1970","journal-title":"ApJ"},{"key":"R11","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1086\/171225","volume":"389","author":"Della Ceca","year":"1992","journal-title":"ApJ"},{"key":"R12","doi-asserted-by":"crossref","first-page":"533","DOI":"10.1086\/174428","volume":"430","author":"Della Ceca","year":"1994","journal-title":"ApJ"},{"key":"R13","doi-asserted-by":"crossref","first-page":"215","DOI":"10.1146\/annurev.aa.28.090190.001243","volume":"28","author":"Dickey","year":"1990","journal-title":"ARA&A"},{"key":"R14","first-page":"317","volume":"161","author":"Engels","year":"1994","journal-title":"IAU Symp."},{"key":"R15","doi-asserted-by":"crossref","first-page":"507","DOI":"10.1051\/aas:1998390","volume":"128","author":"Engels","year":"1998","journal-title":"A&AS"},{"key":"R16","first-page":"347","volume":"319","author":"Fischer","year":"1998","journal-title":"AN"},{"key":"R17","doi-asserted-by":"crossref","first-page":"567","DOI":"10.1086\/191426","volume":"72","author":"Gioia","year":"1990","journal-title":"ApJS"},{"key":"R18","doi-asserted-by":"crossref","first-page":"427","DOI":"10.1086\/192282","volume":"103","author":"Gregory","year":"1996","journal-title":"ApJS"},{"key":"R19","first-page":"195","volume":"111","author":"Hagen","year":"1995","journal-title":"A&AS"},{"key":"R20","doi-asserted-by":"crossref","first-page":"L109","DOI":"10.1086\/320672","volume":"553","author":"Henry","year":"2001","journal-title":"ApJ"},{"key":"R21","doi-asserted-by":"crossref","first-page":"746","DOI":"10.1086\/178186","volume":"473","author":"Hooper","year":"1996","journal-title":"ApJ"},{"key":"R22","doi-asserted-by":"crossref","first-page":"1195","DOI":"10.1086\/115207","volume":"98","author":"Kellermann","year":"1989","journal-title":"AJ"},{"key":"R23","first-page":"743","volume":"350","author":"Krautter","year":"1999","journal-title":"A&A"},{"key":"R24","doi-asserted-by":"crossref","first-page":"1548","DOI":"10.1086\/117176","volume":"108","author":"La Franca","year":"1994","journal-title":"AJ"},{"key":"R25","unstructured":"Lamla, E. 1982, in Landolt-B\u00f6rnstein VI, 2b, ed. K. Schaifers, & H. H. Voigt (Berlin: Springer)"},{"key":"R26","doi-asserted-by":"crossref","first-page":"177","DOI":"10.1086\/154592","volume":"208","author":"Lampton","year":"1976","journal-title":"ApJ"},{"key":"R27","doi-asserted-by":"crossref","first-page":"757","DOI":"10.1046\/j.1365-8711.2001.04269.x","volume":"323","author":"Landt","year":"2001","journal-title":"MNRAS"},{"key":"R28","doi-asserted-by":"crossref","first-page":"235","DOI":"10.1051\/aas:1997331","volume":"122","author":"Laurent-Muehleisen","year":"1997","journal-title":"A&AS"},{"key":"R29","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1086\/313134","volume":"118","author":"Laurent-Muehleisen","year":"1998","journal-title":"ApJS"},{"key":"R30","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1086\/307881","volume":"525","author":"Laurent-Muehleisen","year":"1999","journal-title":"ApJ"},{"key":"R31","doi-asserted-by":"crossref","first-page":"680","DOI":"10.1086\/166127","volume":"326","author":"Maccacaro","year":"1988","journal-title":"ApJ"},{"key":"R32","first-page":"21","volume":"44","author":"Mickaelian","year":"2001","journal-title":"Astrophys."},{"key":"R33","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1086\/161102","volume":"270","author":"Morrison","year":"1983","journal-title":"ApJ"},{"key":"R34","first-page":"21","volume":"3","author":"Mukai","year":"1993","journal-title":"Legacy"},{"key":"R35","unstructured":"Monet, D., Bird, A., Canzian, B., et al. 1998, The USNO-A2.0 Catalogue (Washington DC: U.S. Naval Observatory)"},{"key":"R36","doi-asserted-by":"crossref","first-page":"461","DOI":"10.1093\/mnras\/263.2.461","volume":"263","author":"Padovani","year":"1993","journal-title":"MNRAS"},{"key":"R37","doi-asserted-by":"crossref","first-page":"567","DOI":"10.1086\/175631","volume":"444","author":"Padovani","year":"1995","journal-title":"ApJ"},{"key":"R38","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1086\/192300","volume":"104","author":"Perlman","year":"1996","journal-title":"ApJS"},{"key":"R39","doi-asserted-by":"crossref","first-page":"1253","DOI":"10.1086\/300283","volume":"115","author":"Perlman","year":"1998","journal-title":"ApJ"},{"key":"R40","doi-asserted-by":"crossref","first-page":"1626","DOI":"10.1086\/301587","volume":"120","author":"Rector","year":"2000","journal-title":"AJ"},{"key":"R41","first-page":"33","volume":"307","author":"Schartel","year":"1996","journal-title":"A&A"},{"key":"R42","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1086\/149446","volume":"151","author":"Schmidt","year":"1968","journal-title":"ApJ"},{"key":"R43","doi-asserted-by":"crossref","first-page":"813","DOI":"10.1086\/191582","volume":"76","author":"Stocke","year":"1991","journal-title":"ApJS"},{"key":"R44","first-page":"1","volume":"321","author":"Schwope","year":"2000","journal-title":"AN"},{"key":"R45","doi-asserted-by":"crossref","first-page":"L9","DOI":"10.1086\/183100","volume":"234","author":"Tananbaum","year":"1979","journal-title":"ApJ"},{"key":"R46","first-page":"4","volume":"2","author":"Tr\u00fcmper","year":"1983","journal-title":"Adv. Space Res."},{"key":"R47","doi-asserted-by":"crossref","first-page":"803","DOI":"10.1086\/133630","volume":"107","author":"Urry","year":"1995","journal-title":"PASP"},{"key":"R48","first-page":"389","volume":"349","author":"Voges","year":"1999","journal-title":"A&A"},{"key":"R49","unstructured":"Voges, W., Aschenbach, B., Boller, Th., et al. 2000, VizieR On-line Data Catalog: IX\/29. Originally published in: Max-Planck-Institut fur extraterrestrische Physik (Garching)"},{"key":"R50","doi-asserted-by":"crossref","first-page":"L119","DOI":"10.1086\/320673","volume":"553","author":"Voges","year":"2001","journal-title":"ApJ"},{"key":"R51","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1051\/aas:1997347","volume":"123","author":"Zickgraf","year":"1997","journal-title":"A&AS"},{"key":"R52","unstructured":"Zimmermann, H. U., Becker, W., Belloni, T., et al. 1994, MPE Rep., 257"}],"container-title":["Astronomy & Astrophysics"],"original-title":[],"link":[{"URL":"http:\/\/www.aanda.org\/10.1051\/0004-6361:20030679\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,6,2]],"date-time":"2017-06-02T18:58:36Z","timestamp":1496429916000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.aanda.org\/10.1051\/0004-6361:20030679"}},"subtitle":["Northern high-galactic latitude ROSAT\n Bright Source  Catalogue X-ray sources"],"short-title":[],"issued":{"date-parts":[[2003,8]]},"references-count":52,"journal-issue":{"issue":"2"},"alternative-id":["aah3900"],"URL":"https:\/\/doi.org\/10.1051\/0004-6361:20030679","relation":{},"ISSN":["0004-6361","1432-0746"],"issn-type":[{"value":"0004-6361","type":"print"},{"value":"1432-0746","type":"electronic"}],"subject":[],"published":{"date-parts":[[2003,8]]}}}