{"id":"https://openalex.org/W2019778446","doi":"https://doi.org/10.1093/mnras/sts504","title":"Long XMM observation of the narrow-line Seyfert 1 galaxy IRAS 13224\u22123809: rapid variability, high spin and a soft lag","display_name":"Long XMM observation of the narrow-line Seyfert 1 galaxy IRAS 13224\u22123809: rapid variability, high spin and a soft lag","publication_year":2013,"publication_date":"2013-01-11","ids":{"openalex":"https://openalex.org/W2019778446","doi":"https://doi.org/10.1093/mnras/sts504","mag":"2019778446"},"language":"en","primary_location":{"id":"doi:10.1093/mnras/sts504","doi":"https://doi.org/10.1093/mnras/sts504","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/sts504","pdf_url":"https://academic.oup.com/mnras/article-pdf/429/4/2917/3276993/sts504.pdf","source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://academic.oup.com/mnras/article-pdf/429/4/2917/3276993/sts504.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024983697","display_name":"A. C. Fabian","orcid":"https://orcid.org/0000-0002-9378-4072","observed_orcids":["https://orcid.org/0000-0002-9378-4072"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"A. C. Fabian","raw_affiliation_strings":["Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011485240","display_name":"Erin Kara","orcid":"https://orcid.org/0000-0003-0172-0854","observed_orcids":["https://orcid.org/0000-0003-0172-0854"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"E. Kara","raw_affiliation_strings":["Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019923842","display_name":"Dominic J. Walton","orcid":"https://orcid.org/0000-0001-5819-3552","observed_orcids":["https://orcid.org/0000-0001-5819-3552"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"D. J. Walton","raw_affiliation_strings":["Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105460936","display_name":"Dan Wilkins","orcid":"https://orcid.org/0000-0002-4794-5998","observed_orcids":["https://orcid.org/0000-0002-4794-5998"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"D. R. Wilkins","raw_affiliation_strings":["Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031844714","display_name":"R. R. Ross","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I107139065","display_name":"College of the Holy Cross","ror":"https://ror.org/05dwp6855","country_code":"US","type":"education","lineage":["https://openalex.org/I107139065"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. R. Ross","raw_affiliation_strings":["Physics Department, College of the Holy Cross, Worcester, MA 01610, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics Department, College of the Holy Cross, Worcester, MA 01610, USA","institution_ids":["https://openalex.org/I107139065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064929664","display_name":"Kaloian D. Lozanov","orcid":"https://orcid.org/0000-0003-2164-7930","observed_orcids":["https://orcid.org/0000-0003-2164-7930"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"K. Lozanov","raw_affiliation_strings":["Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055609078","display_name":"Phil Uttley","orcid":"https://orcid.org/0000-0001-9355-961X","observed_orcids":["https://orcid.org/0000-0001-9355-961X"]},"institutions":[{"id":"https://openalex.org/I887064364","display_name":"University of Amsterdam","ror":"https://ror.org/04dkp9463","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"P. Uttley","raw_affiliation_strings":["Astronomical Institute \u2018Anton Pannekoek\u2019, University of Amsterdam, Postbus 94249, NL-1090 GE Amsterdam, the Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Astronomical Institute \u2018Anton Pannekoek\u2019, University of Amsterdam, Postbus 94249, NL-1090 GE Amsterdam, the Netherlands","institution_ids":["https://openalex.org/I887064364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016224296","display_name":"Luigi Gallo","orcid":"https://orcid.org/0009-0006-4968-7108","observed_orcids":["https://orcid.org/0009-0006-4968-7108"]},"institutions":[{"id":"https://openalex.org/I66890659","display_name":"Saint Mary's University","ror":"https://ror.org/010zh7098","country_code":"CA","type":"education","lineage":["https://openalex.org/I66890659"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"L. C. Gallo","raw_affiliation_strings":["Department of Astronomy and Physics, Saint Marys University, Halifax, NS B3H 3C3, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Astronomy and Physics, Saint Marys University, Halifax, NS B3H 3C3, Canada","institution_ids":["https://openalex.org/I66890659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034878647","display_name":"Abderahmen Zoghbi","orcid":"https://orcid.org/0000-0002-0572-9613","observed_orcids":["https://orcid.org/0000-0002-0572-9613"]},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Zoghbi","raw_affiliation_strings":["Department of Astronomy, University of Maryland, College Park, MD 20742, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Astronomy, University of Maryland, College Park, MD 20742, USA","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008491487","display_name":"GIOVANNI MINIUTTI","orcid":"https://orcid.org/0000-0003-0707-4531","observed_orcids":["https://orcid.org/0000-0003-0707-4531"]},"institutions":[{"id":"https://openalex.org/I134820265","display_name":"Consejo Superior de Investigaciones Cient\u00edficas","ror":"https://ror.org/02gfc7t72","country_code":"ES","type":"government","lineage":["https://openalex.org/I134820265"]},{"id":"https://openalex.org/I4210129022","display_name":"Centro de Astrobiolog\u00eda","ror":"https://ror.org/038szmr31","country_code":"ES","type":"facility","lineage":["https://openalex.org/I134820265","https://openalex.org/I4210117279","https://openalex.org/I4210129022"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"G. Miniutti","raw_affiliation_strings":["Centro de Astrobiologia (CSIC-INTA), Dep. de Astrofisica; LAEFF, PO Box 78, E-28691, Villanueva de la Ca\u00f1ada, Madrid, Spain","Centro de Astrobiologia (CSIC-INTA), Dep. de Astrofisica","LAEFF, PO Box 78, E-28691, Villanueva de la Ca\u00f1ada, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centro de Astrobiologia (CSIC-INTA), Dep. de Astrofisica; LAEFF, PO Box 78, E-28691, Villanueva de la Ca\u00f1ada, Madrid, Spain","institution_ids":["https://openalex.org/I134820265","https://openalex.org/I4210129022"]},{"raw_affiliation_string":"Centro de Astrobiologia (CSIC-INTA), Dep. de Astrofisica","institution_ids":["https://openalex.org/I134820265"]},{"raw_affiliation_string":"LAEFF, PO Box 78, E-28691, Villanueva de la Ca\u00f1ada, Madrid, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108070444","display_name":"T. Boller","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210091772","display_name":"Max Planck Institute for Extraterrestrial Physics","ror":"https://ror.org/00e4bwe12","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210091772"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"T. Boller","raw_affiliation_strings":["Max\u2013Planck\u2013Institute for Extraterrestrial Physics, Garching, PSF 1312, D-85741 Garching, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max\u2013Planck\u2013Institute for Extraterrestrial Physics, Garching, PSF 1312, D-85741 Garching, Germany","institution_ids":["https://openalex.org/I4210091772"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015491870","display_name":"William Nielsen Brandt","orcid":"https://orcid.org/0000-0002-0167-2453","observed_orcids":["https://orcid.org/0000-0002-0167-2453"]},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W. N. Brandt","raw_affiliation_strings":["Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA","institution_ids":["https://openalex.org/I130769515"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030207675","display_name":"Edward M. Cackett","orcid":"https://orcid.org/0000-0002-8294-9281","observed_orcids":["https://orcid.org/0000-0002-8294-9281"]},"institutions":[{"id":"https://openalex.org/I185443292","display_name":"Wayne State University","ror":"https://ror.org/01070mq45","country_code":"US","type":"education","lineage":["https://openalex.org/I185443292"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"E. M. Cackett","raw_affiliation_strings":["Department of Physics and Astronomy, Wayne State University, Detroit, MI 48201, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics and Astronomy, Wayne State University, Detroit, MI 48201, USA","institution_ids":["https://openalex.org/I185443292"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060615930","display_name":"Chia-Ying Chiang","orcid":"https://orcid.org/0000-0002-9630-4003","observed_orcids":["https://orcid.org/0000-0002-9630-4003"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"C.-Y. Chiang","raw_affiliation_strings":["Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062351943","display_name":"T. Dwelly","orcid":"https://orcid.org/0000-0002-4459-9233","observed_orcids":["https://orcid.org/0000-0002-4459-9233"]},"institutions":[{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"education","lineage":["https://openalex.org/I43439940"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"T. Dwelly","raw_affiliation_strings":["School of Physics and Astronomy, University of Southampton, Highfield, Southampton SO17 1BJ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Astronomy, University of Southampton, Highfield, Southampton SO17 1BJ, UK","institution_ids":["https://openalex.org/I43439940"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020656183","display_name":"J. Malzac","orcid":"https://orcid.org/0000-0003-3334-3424","observed_orcids":["https://orcid.org/0000-0003-3334-3424"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J. Malzac","raw_affiliation_strings":["Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025039442","display_name":"Jon M. Miller","orcid":"https://orcid.org/0000-0003-2869-7682","observed_orcids":["https://orcid.org/0000-0003-2869-7682","https://orcid.org/0000-0003-3124-2814","https://orcid.org/0000-0001-6432-7860"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. M. Miller","raw_affiliation_strings":["Department of Astronomy, University of Michigan, Ann Arbor, MI 48109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Astronomy, University of Michigan, Ann Arbor, MI 48109, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087052528","display_name":"Emanuele Nardini","orcid":"https://orcid.org/0000-0001-9226-8992","observed_orcids":["https://orcid.org/0000-0001-9226-8992"]},"institutions":[{"id":"https://openalex.org/I4210124175","display_name":"Center for Astrophysics Harvard & Smithsonian","ror":"https://ror.org/03c3r2d17","country_code":"US","type":"education","lineage":["https://openalex.org/I103187081","https://openalex.org/I136199984","https://openalex.org/I4210124175"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"E. Nardini","raw_affiliation_strings":["Harvard\u2013Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Harvard\u2013Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA","institution_ids":["https://openalex.org/I4210124175"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022157558","display_name":"G. Ponti","orcid":"https://orcid.org/0000-0003-0293-3608","observed_orcids":["https://orcid.org/0000-0003-0293-3608"]},"institutions":[{"id":"https://openalex.org/I4210091772","display_name":"Max Planck Institute for Extraterrestrial Physics","ror":"https://ror.org/00e4bwe12","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210091772"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"G. Ponti","raw_affiliation_strings":["Max\u2013Planck\u2013Institute for Extraterrestrial Physics, Garching, PSF 1312, D-85741 Garching, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max\u2013Planck\u2013Institute for Extraterrestrial Physics, Garching, PSF 1312, D-85741 Garching, Germany","institution_ids":["https://openalex.org/I4210091772"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043092604","display_name":"R. C. Reis","orcid":"https://orcid.org/0000-0002-6618-2412","observed_orcids":["https://orcid.org/0000-0002-6618-2412"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. C. Reis","raw_affiliation_strings":["Department of Astronomy, University of Michigan, Ann Arbor, MI 48109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Astronomy, University of Michigan, Ann Arbor, MI 48109, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002794812","display_name":"Christopher S. Reynolds","orcid":"https://orcid.org/0000-0002-1510-4860","observed_orcids":["https://orcid.org/0000-0002-1510-4860"]},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"C. S. Reynolds","raw_affiliation_strings":["Department of Astronomy, University of Maryland, College Park, MD 20742, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Astronomy, University of Maryland, College Park, MD 20742, USA","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086945831","display_name":"James F. Steiner","orcid":"https://orcid.org/0000-0002-5872-6061","observed_orcids":["https://orcid.org/0000-0002-5872-6061"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J. F. Steiner","raw_affiliation_strings":["Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025444272","display_name":"Y. Tanaka","orcid":"https://orcid.org/0000-0003-0545-0046","observed_orcids":["https://orcid.org/0000-0003-0545-0046"]},"institutions":[{"id":"https://openalex.org/I4210091772","display_name":"Max Planck Institute for Extraterrestrial Physics","ror":"https://ror.org/00e4bwe12","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210091772"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Y. Tanaka","raw_affiliation_strings":["Max\u2013Planck\u2013Institute for Extraterrestrial Physics, Garching, PSF 1312, D-85741 Garching, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max\u2013Planck\u2013Institute for Extraterrestrial Physics, Garching, PSF 1312, D-85741 Garching, Germany","institution_ids":["https://openalex.org/I4210091772"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064154817","display_name":"Andrew J. Young","orcid":"https://orcid.org/0000-0003-3626-9151","observed_orcids":["https://orcid.org/0000-0003-3626-9151"]},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"A. J. Young","raw_affiliation_strings":["H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK","institution_ids":["https://openalex.org/I36234482"]}]}],"institutions":[],"countries_distinct_count":6,"institutions_distinct_count":14,"corresponding_author_ids":["https://openalex.org/A5024983697"],"corresponding_institution_ids":["https://openalex.org/I241749"],"apc_list":{"value":2310,"currency":"GBP","value_usd":3046},"apc_paid":null,"fwci":5.9033,"has_fulltext":true,"cited_by_count":121,"citation_normalized_percentile":{"value":0.96615541,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":100},"biblio":{"volume":"429","issue":"4","first_page":"2917","last_page":"2923"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10818","display_name":"Astrophysics and Cosmic Phenomena","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/iras-13224-3809","display_name":"IRAS 13224-3809","score":0.9819999933242798},{"id":"https://openalex.org/keywords/narrow-line-seyfert-1-galaxies","display_name":"narrow-line Seyfert 1 galaxies","score":0.9879999756813049},{"id":"https://openalex.org/keywords/black-hole-spin","display_name":"black hole spin","score":0.8889999985694885},{"id":"https://openalex.org/keywords/x-ray-variability","display_name":"X-ray variability","score":0.6549999713897705},{"id":"https://openalex.org/keywords/x-ray-reflection","display_name":"X-ray reflection","score":0.5379999876022339},{"id":"https://openalex.org/keywords/accretion-disks","display_name":"accretion disks","score":0.7680000066757202},{"id":"https://openalex.org/keywords/innermost-stable-circular-orbit","display_name":"innermost stable circular orbit","score":0.9610000252723694},{"id":"https://openalex.org/keywords/xmm-newton","display_name":"XMM-Newton","score":0.6150000095367432}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9721559286117554},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.8387773036956787},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.7033306360244751},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.6431018710136414},{"id":"https://openalex.org/C163651212","wikidata":"https://www.wikidata.org/wiki/Q899670","display_name":"Emissivity","level":2,"score":0.567392885684967},{"id":"https://openalex.org/C50341732","wikidata":"https://www.wikidata.org/wiki/Q880302","display_name":"Black hole (networking)","level":5,"score":0.5536728501319885},{"id":"https://openalex.org/C87040749","wikidata":"https://www.wikidata.org/wiki/Q428971","display_name":"Power law","level":2,"score":0.5289668440818787},{"id":"https://openalex.org/C2776401274","wikidata":"https://www.wikidata.org/wiki/Q3756855","display_name":"Accretion (finance)","level":2,"score":0.5199531316757202},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.4488641023635864},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.4315029978752136},{"id":"https://openalex.org/C42704618","wikidata":"https://www.wikidata.org/wiki/Q910917","display_name":"Spin (aerodynamics)","level":2,"score":0.4269176423549652},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.3891451954841614},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09279808402061462},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.09051206707954407},{"id":"https://openalex.org/C89305328","wikidata":"https://www.wikidata.org/wiki/Q1755411","display_name":"Link-state routing protocol","level":4,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C104954878","wikidata":"https://www.wikidata.org/wiki/Q1648707","display_name":"Routing protocol","level":3,"score":0.0}],"mesh":[],"locations_count":8,"locations":[{"id":"doi:10.1093/mnras/sts504","doi":"https://doi.org/10.1093/mnras/sts504","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/sts504","pdf_url":"https://academic.oup.com/mnras/article-pdf/429/4/2917/3276993/sts504.pdf","source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1208.5898","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/1208.5898","pdf_url":"https://arxiv.org/pdf/1208.5898","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:dare.uva.nl:openaire/8f9b9e9a-0d50-4103-99da-953a4a650280","doi":null,"is_oa":true,"landing_page_url":"https://handle.uba.uva.nl/personal/pure/en/publications/long-xmm-observation-of-the-narrowline-seyfert-1-galaxy-iras-132243809-rapid-variability-high-spin-and-a-soft-lag(8f9b9e9a-0d50-4103-99da-953a4a650280).html","pdf_url":"https://pure.uva.nl/ws/files/1709192/147230_Long_XMM_observation.pdf","source":{"id":"https://openalex.org/S4306400088","display_name":"UvA-DARE (University of Amsterdam)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I887064364","host_organization_name":"University of Amsterdam","host_organization_lineage":["https://openalex.org/I887064364"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:uvapub:oai:dare.uva.nl:publications/8f9b9e9a-0d50-4103-99da-953a4a650280","doi":null,"is_oa":true,"landing_page_url":"https://dare.uva.nl/personal/pure/en/publications/long-xmm-observation-of-the-narrowline-seyfert-1-galaxy-iras-132243809-rapid-variability-high-spin-and-a-soft-lag(8f9b9e9a-0d50-4103-99da-953a4a650280).html","pdf_url":"https://dare.uva.nl/personal/pure/en/publications/long-xmm-observation-of-the-narrowline-seyfert-1-galaxy-iras-132243809-rapid-variability-high-spin-and-a-soft-lag(8f9b9e9a-0d50-4103-99da-953a4a650280).html","source":{"id":"https://openalex.org/S4306401843","display_name":"Data Archiving and Networked Services (DANS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1322597698","host_organization_name":"Royal Netherlands Academy of Arts and Sciences","host_organization_lineage":["https://openalex.org/I1322597698"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Monthly Notices of the Royal Astronomical Society, 429(4), 2917 - 2923. Oxford University Press","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:library2.smu.ca:01/25892","doi":null,"is_oa":false,"landing_page_url":"http://library2.smu.ca/xmlui/handle/01/25892","pdf_url":null,"source":{"id":"https://openalex.org/S4306402189","display_name":"Saint Mary's University Institutional Repository (Saint Mary's University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66890659","host_organization_name":"Saint Mary's University","host_organization_lineage":["https://openalex.org/I66890659"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:pure.mpg.de:item_1786294","doi":null,"is_oa":false,"landing_page_url":"https://hdl.handle.net/11858/00-001M-0000-0013-AE46-8","pdf_url":null,"source":{"id":"https://openalex.org/S4306400654","display_name":"MPG.PuRe (Max Planck Society)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I149899117","host_organization_name":"Max Planck Society","host_organization_lineage":["https://openalex.org/I149899117"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:research-information.bris.ac.uk:openaire_cris_publications/9134c071-c153-4f51-8115-5bae5aefe3cd","doi":null,"is_oa":false,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/9134c071-c153-4f51-8115-5bae5aefe3cd","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"doi:10.48550/arxiv.1208.5898","doi":"https://doi.org/10.48550/arxiv.1208.5898","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1208.5898","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.1093/mnras/sts504","doi":"https://doi.org/10.1093/mnras/sts504","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/sts504","pdf_url":"https://academic.oup.com/mnras/article-pdf/429/4/2917/3276993/sts504.pdf","source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G3146688547","display_name":"Galaxy formation and evolution 2010 - 2015","funder_award_id":"ST/H00243X/1","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G4745877140","display_name":"High Energy Astrophysics at Southampton","funder_award_id":"ST/J001600/1","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G4846677445","display_name":"Astronomy Observation and Theory Consolidated Grant 2012","funder_award_id":"ST/K000985/1","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G5348304766","display_name":null,"funder_award_id":"ST/K501918/1","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G5473040219","display_name":"Research in planetary formation, astrophysics, and cosmology at Bristol","funder_award_id":"ST/J001414/1","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G6119549411","display_name":"IoA Theoretical and X-ray Astronomy consolidation","funder_award_id":"ST/J001538/1","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G6453473513","display_name":null,"funder_award_id":"ST/F00723X/1","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320334632","display_name":"Science and Technology Facilities Council","ror":"https://ror.org/057g20z61"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2019778446.pdf","grobid_xml":"https://content.openalex.org/works/W2019778446.grobid-xml"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W1812978547","https://openalex.org/W1945550635","https://openalex.org/W1949518009","https://openalex.org/W1971660702","https://openalex.org/W1976595981","https://openalex.org/W1977457396","https://openalex.org/W1983901707","https://openalex.org/W1990136610","https://openalex.org/W2000868524","https://openalex.org/W2018041393","https://openalex.org/W2034695045","https://openalex.org/W2036006391","https://openalex.org/W2037058203","https://openalex.org/W2039777668","https://openalex.org/W2040680574","https://openalex.org/W2042417936","https://openalex.org/W2052669181","https://openalex.org/W2053887130","https://openalex.org/W2055256861","https://openalex.org/W2090745505","https://openalex.org/W2100195445","https://openalex.org/W2102944964","https://openalex.org/W2113417477","https://openalex.org/W2118235126","https://openalex.org/W2128252132","https://openalex.org/W2146377295","https://openalex.org/W2147696915","https://openalex.org/W2152324974","https://openalex.org/W2154078330","https://openalex.org/W2167509936","https://openalex.org/W2949442433","https://openalex.org/W2949513071","https://openalex.org/W2950052081","https://openalex.org/W2950493116","https://openalex.org/W2950514915","https://openalex.org/W3100208756","https://openalex.org/W3101310474","https://openalex.org/W3122281772"],"related_works":["https://openalex.org/W4226157849","https://openalex.org/W2098764553","https://openalex.org/W3121130376","https://openalex.org/W2794972661","https://openalex.org/W1566153300","https://openalex.org/W2128964128","https://openalex.org/W6996547403","https://openalex.org/W7095244434","https://openalex.org/W7130237671","https://openalex.org/W2794516156"],"abstract_inverted_index":{"The":[0,15,28,114],"narrow-line":[1],"Seyfert":[2],"1":[3,97],"galaxy":[4],"IRAS":[5],"13224\u22123809":[6],"has":[7],"been":[8],"observed":[9],"with":[10,91],"XMM\u2013Newton":[11],"for":[12,66],"500":[13],"ks.":[14],"source":[16,120],"is":[17,86,121],"rapidly":[18,57],"variable":[19],"on":[20],"time-scales":[21],"down":[22],"to":[23,76,88],"a":[24,56,62,92,124],"few":[25],"100":[26,109],"s.":[27],"spectrum":[29],"shows":[30],"strong":[31],"broad":[32],"Fe":[33],"\u2212":[34],"K":[35],"and":[36,70],"L":[37],"emission":[38],"features":[39],"which":[40],"are":[41,102],"interpreted":[42],"as":[43],"arising":[44],"from":[45,47],"reflection":[46],"the":[48,67,72,77,82,117],"inner":[49],"parts":[50],"of":[51,108,116,126],"an":[52],"accretion":[53],"disc":[54],"around":[55],"spinning":[58],"black":[59,83],"hole.":[60],"Assuming":[61],"power":[63],"law":[64],"emissivity":[65],"reflected":[68],"flux":[69],"that":[71],"innermost":[73,78],"radius":[74,125],"corresponds":[75],"stable":[79],"circular":[80],"orbit,":[81],"hole":[84],"spin":[85],"measured":[87],"be":[89],"0.989":[90],"statistical":[93],"precision":[94],"better":[95],"than":[96],"per":[98],"cent.":[99],"Systematic":[100],"uncertainties":[101],"discussed.":[103],"A":[104],"soft":[105],"X-ray":[106],"lag":[107],"s":[110],"confirms":[111],"this":[112],"scenario.":[113],"bulk":[115],"power-law":[118],"continuum":[119],"located":[122],"at":[123],"2\u20133":[127],"gravitational":[128],"radii.":[129]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":11},{"year":2017,"cited_by_count":14},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":11},{"year":2014,"cited_by_count":17},{"year":2013,"cited_by_count":11},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
