A dataset provided by the European Space Agency

Name: Spectral Variability of Seyfert Galaxies
Published: 2003-05-06T00:00:00Z

Proposal ID	010914
Title	Spectral Variability of Seyfert Galaxies
Download Data Associated to the proposal	https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0109141001 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0109141201 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0109141301 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0109141401
DOI	https://doi.org/10.5270/esa-0u4md6o
Principal Investigator, PI	Prof Keith Mason
Abstract	GT- We wish to perform long pointings (150 ksec) with XMM attwo bright Seyfert 1 galaxies, NGC4051 and Mrk766, in order to measure i) thepower spectrum of flux variations down to the shortest scales, ii) the crosscorrelation of variations at medium X-ray, soft X-ray, UV and opticalwavelengths, iii) changes in the spectral shape of the X-ray continuum iv) variations of spectral features such as absorption from partially ionized gasand the fluorescent Fe emission line(s) in response to continuum variations.
Publications	The high frequency power spectrum of Markarian 766 \|Vaughan S. Fabian A. C. \| MNRAS \| 341-496 \| 2003 \| 2003MNRAS.341..496V \| http://ui.adsabs.harvard.edu/#abs/2003MNRAS.341..496V Fe K emission and absorption features in XMM-Newton spectra of Markarian 766: evidence for reprocessing in flare ejecta \|Pounds K. A. Reeves J. N. et al. \| MNRAS \| 342-1147 \| 2003 \| 2003MNRAS.342.1147P \| http://ui.adsabs.harvard.edu/#abs/2003MNRAS.342.1147P The obscured QSO 1SAX J1218.9+2958 \|Loaring N. S. Page M. J. \| MNRAS \| 345-865 \| 2003 \| 2003MNRAS.345..865L \| http://ui.adsabs.harvard.edu/#abs/2003MNRAS.345..865L Exploring the X-ray sky with the XMM-Newton bright serendipitous survey \|Della Ceca R. Maccacaro T. et al. \| A&A \| 428-383 \| 2004 \| 2004A&A...428..383D \| http://ui.adsabs.harvard.edu/#abs/2004A&A...428..383D Exploring the complex X-ray spectrum of NGC 4051 \|Pounds K. A. Reeves J. N. et al. \| MNRAS \| 350-10 \| 2004 \| 2004MNRAS.350...10P \| http://ui.adsabs.harvard.edu/#abs/2004MNRAS.350...10P Variable iron-line emission near the black hole of Markarian 766 \|Miller L. Turner T. J. et al. \| A&A \| 453-13 \| 2006 \| 2006A&A...453L..13M \| http://ui.adsabs.harvard.edu/#abs/2006A&A...453L..13M The variable X-ray spectrum of Markarian 766. I. Principal components analysis \|Miller L. Turner T. J. et al. \| A&A \| 463-131 \| 2007 \| 2007A&A...463..131M \| http://ui.adsabs.harvard.edu/#abs/2007A&A...463..131M The variable X-ray spectrum of Markarian 766. II. Time-resolved spectroscopy \|Turner T. J. Miller L. et al. \| A&A \| 475-121 \| 2007 \| 2007A&A...475..121T \| http://ui.adsabs.harvard.edu/#abs/2007A&A...475..121T The Energy-dependent X-Ray Timing Characteristics of the Narrow-Line Seyfert 1 Mrk 766 \|Markowitz A. Papadakis I. et al. \| ApJ \| 656-116 \| 2007 \| 2007ApJ...656..116M \| http://ui.adsabs.harvard.edu/#abs/2007ApJ...656..116M A characterization of the NGC 4051 soft X-ray spectrum as observed by XMM-Newton \|Nucita A. A. Guainazzi M. et al. \| A&A \| 515-47 \| 2010 \| 2010A&A...515A..47N \| http://ui.adsabs.harvard.edu/#abs/2010A&A...515A..47N Significant X-ray Line Emission in the 5-6 keV Band of NGC 4051 \|Turner T. J. Miller L. et al. \| ApJ \| 712-209 \| 2010 \| 2010ApJ...712..209T \| http://ui.adsabs.harvard.edu/#abs/2010ApJ...712..209T High-precision multi-band measurements of the angular clustering of X-ray sources \|Ebrero J. Mateos S. et al. \| A&A \| 500-749 \| 2009 \| 2009A&A...500..749E \| http://ui.adsabs.harvard.edu/#abs/2009A&A...500..749E The XMM-Newton serendipitous survey. V. The Second XMM-Newton serendipitous source catalogue \|Watson M. G. Schroder A. C. et al. \| A&A \| 493-339 \| 2009 \| 2009A&A...493..339W \| http://ui.adsabs.harvard.edu/#abs/2009A&A...493..339W On the origin of soft X-rays in obscured AGN: answers from high-resolution spectroscopy with XMM-Newton \|Guainazzi Matteo Bianchi Stefano \| MNRAS \| 374-1290 \| 2007 \| 2007MNRAS.374.1290G \| http://ui.adsabs.harvard.edu/#abs/2007MNRAS.374.1290G On characterizing the variability properties of X-ray light curves from active galaxies \|Vaughan S. Edelson R. et al. \| MNRAS \| 345-1271 \| 2003 \| 2003MNRAS.345.1271V \| http://ui.adsabs.harvard.edu/#abs/2003MNRAS.345.1271V An Extremely Luminous Panchromatic Outburst from the Nucleus of a Distant Galaxy \|Levan A. J. Tanvir N. R. et al. \| Sci \| 333-199 \| 2011 \| 2011Sci...333..199L \| http://ui.adsabs.harvard.edu/#abs/2011Sci...333..199L Statistical evaluation of the flux cross-calibration of the XMM-Newton EPIC cameras \|Mateos S. Saxton R. D. et al. \| A&A \| 496-879 \| 2009 \| 2009A&A...496..879M \| http://ui.adsabs.harvard.edu/#abs/2009A&A...496..879M XMM-Newton Observations of NGC 4051: Temporal Flux and Spectral Variability during Transition to the Faintest Phase in NGC 4051 \|Haba Yoshito Liebmann Andrew C. et al. \| PASJ \| 60-1257 \| 2008 \| 2008PASJ...60.1257H \| http://ui.adsabs.harvard.edu/#abs/2008PASJ...60.1257H XMM-Newton Observations of Type-1 Active Galactic Nuclei \|Page Kim \| PhDT \| 0-177 \| 2003 \| 2003PhDT.......177P \| http://ui.adsabs.harvard.edu/#abs/2003PhDT.......177P X-ray colour-colour selection for heavily absorbed active galactic nuclei \|Brightman Murray Nandra Kirpal \| MNRAS \| 422-1166 \| 2012 \| 2012MNRAS.422.1166B \| http://ui.adsabs.harvard.edu/#abs/2012MNRAS.422.1166B The XMM Cluster Survey: optical analysis methodology and the first data release \|Mehrtens Nicola Romer A. Kathy et al. \| MNRAS \| 423-1024 \| 2012 \| 2012MNRAS.423.1024M \| http://ui.adsabs.harvard.edu/#abs/2012MNRAS.423.1024M XMM-Newton study of the complex and variable spectrum of NGC 4051 \|Ponti G. Miniutti G. et al. \| MNRAS \| 368-903 \| 2006 \| 2006MNRAS.368..903P \| http://ui.adsabs.harvard.edu/#abs/2006MNRAS.368..903P The Seyfert AGN RX J0136.9-3510 and the spectral state of super Eddington accretion flows \|Jin Chichuan Done Chris et al. \| MNRAS \| 398-16 \| 2009 \| 2009MNRAS.398L..16J \| http://ui.adsabs.harvard.edu/#abs/2009MNRAS.398L..16J Evidence for ultra-fast outflows in radio-quiet AGNs. I. Detection and statistical incidence of Fe K-shell absorption lines \|Tombesi F. Cappi M. et al. \| A&A \| 521-57 \| 2010 \| 2010A&A...521A..57T \| http://ui.adsabs.harvard.edu/#abs/2010A&A...521A..57T On the apparent absence of broad iron lines in Seyfert galaxies \|Bhayani S. Nandra K. \| MNRAS \| 416-629 \| 2011 \| 2011MNRAS.416..629B \| http://ui.adsabs.harvard.edu/#abs/2011MNRAS.416..629B Evidence for Ultra-fast Outflows in Radio-quiet Active Galactic Nuclei. II. Detailed Photoionization Modeling of Fe K-shell Absorption Lines \|Tombesi F. Cappi M. et al. \| ApJ \| 742-44 \| 2011 \| 2011ApJ...742...44T \| http://ui.adsabs.harvard.edu/#abs/2011ApJ...742...44T Evidence for orbital motion of material close to the central black hole of Mrk 766 \|Turner T. J. Miller L. et al. \| A&A \| 445-59 \| 2006 \| 2006A&A...445...59T \| http://ui.adsabs.harvard.edu/#abs/2006A&A...445...59T High precision X-ray log N - log S distributions: implications for the obscured AGN population \|Mateos S. Warwick R. S. et al. \| A&A \| 492-51 \| 2008 \| 2008A&A...492...51M \| http://ui.adsabs.harvard.edu/#abs/2008A&A...492...51M XMM-Newton Observations of a Possible Light Echo in the Seyfert 1 Nucleus of NGC 4051 \|Mason K. O. McHardy I. M. et al. \| ApJ \| 580-117 \| 2002 \| 2002ApJ...580L.117M \| http://ui.adsabs.harvard.edu/#abs/2002ApJ...580L.117M The X-Ray Spectrum of the Seyfert I Galaxy Markarian 766: Dusty Warm Absorber or Relativistic Emission Lines? \|Mason K. O. Branduardi-Raymont G. et al. \| ApJ \| 582-95 \| 2003 \| 2003ApJ...582...95M \| http://ui.adsabs.harvard.edu/#abs/2003ApJ...582...95M Transient Relativistically Shifted Lines as a Probe of Black Hole Systems \|Turner T. J. Kraemer S. B. \| ApJ \| 603-62 \| 2004 \| 2004ApJ...603...62T \| http://ui.adsabs.harvard.edu/#abs/2004ApJ...603...62T Relativistic O VIII Emission and Ionized Outflow in NGC 4051 Measured with XMM-Newton \|Ogle P. M. Mason K. O. et al. \| ApJ \| 606-151 \| 2004 \| 2004ApJ...606..151O \| http://ui.adsabs.harvard.edu/#abs/2004ApJ...606..151O Narrow Iron Kalpha Lines in Active Galactic Nuclei: Evolving Populations? \|Zhou Xin-Lin Wang Jian-Min \| ApJ \| 618-83 \| 2005 \| 2005ApJ...618L..83Z \| http://ui.adsabs.harvard.edu/#abs/2005ApJ...618L..83Z A Galactic Origin for the Local Ionized X-Ray Absorbers \|Fang Taotao Mckee Christopher F. et al. \| ApJ \| 644-174 \| 2006 \| 2006ApJ...644..174F \| http://ui.adsabs.harvard.edu/#abs/2006ApJ...644..174F The Compact Conical Accretion-Disk Warm Absorber of the Seyfert 1 Galaxy NGC 4051 and Its Implications for IGM-Galaxy Feedback Processes \|Krongold Yair Nicastro Fabrizio et al. \| ApJ \| 659-1022 \| 2007 \| 2007ApJ...659.1022K \| http://ui.adsabs.harvard.edu/#abs/2007ApJ...659.1022K Fourier-Resolved Spectroscopy of Active Galactic Nuclei Using XMM-Newton Data. I. The 3-10 keV Band Results \|Papadakis I. E. Ioannou Z. \| ApJ \| 661-38 \| 2007 \| 2007ApJ...661...38P \| http://ui.adsabs.harvard.edu/#abs/2007ApJ...661...38P X-Ray Absorption from the Milky Way Halo and the Local Group \|Bregman Joel N. Lloyd-Davies Edward J. \| ApJ \| 669-990 \| 2007 \| 2007ApJ...669..990B \| http://ui.adsabs.harvard.edu/#abs/2007ApJ...669..990B Wavelet Analysis of AGN X-Ray Time Series: A QPO in 3C 273? \|Espaillat C. Bregman J. et al. \| ApJ \| 679-182 \| 2008 \| 2008ApJ...679..182E \| http://ui.adsabs.harvard.edu/#abs/2008ApJ...679..182E Relativistic Broadening of Iron Emission Lines in a Sample of Active Galactic Nuclei \|Brenneman Laura W. Reynolds Christopher S. \| ApJ \| 702-1367 \| 2009 \| 2009ApJ...702.1367B \| http://ui.adsabs.harvard.edu/#abs/2009ApJ...702.1367B The XMM-Newton serendipitous survey. VI. The X-ray luminosity function \|Ebrero J. Carrera F. J. et al. \| A&A \| 493-55 \| 2009 \| 2009A&A...493...55E \| http://ui.adsabs.harvard.edu/#abs/2009A&A...493...55E Search for narrow energy-shifted lines in AGN spectra in the XMM-Newton archive \|Longinotti A. L. Bianchi S. et al. \| AN \| 327-1020 \| 2006 \| 2006AN....327.1020L \| http://ui.adsabs.harvard.edu/#abs/2006AN....327.1020L Statistics of relativistically broadened Fe Kalpha lines in AGN \|Guainazzi M. Bianchi S. \| AN \| 327-1032 \| 2006 \| 2006AN....327.1032G \| http://ui.adsabs.harvard.edu/#abs/2006AN....327.1032G An XMM-Newton survey of broad iron lines in AGN \|Nandra K. ONeill P. M. et al. \| AN \| 327-1039 \| 2006 \| 2006AN....327.1039N \| http://ui.adsabs.harvard.edu/#abs/2006AN....327.1039N Fourier-resolved spectroscopy of AGN using XMM-Newton data \|Papadakis I. E. Ioannou Z. \| AN \| 327-1047 \| 2006 \| 2006AN....327.1047P \| http://ui.adsabs.harvard.edu/#abs/2006AN....327.1047P An ionized disc reflection component for the X-ray spectrum of NGC 4051 and IRAS13224-3809? \|Ponti G. Miniutti G. et al. \| AN \| 327-1055 \| 2006 \| 2006AN....327.1055P \| http://ui.adsabs.harvard.edu/#abs/2006AN....327.1055P A Stochastic Model for the Luminosity Fluctuations of Accreting Black Holes \|Kelly Brandon C. Sobolewska Malgorzata \| ApJ \| 730-52 \| 2011 \| 2011ApJ...730...52K \| http://ui.adsabs.harvard.edu/#abs/2011ApJ...730...52K Breaking the sigma8-Omega m Degeneracy Using the Clustering of High-z X-ray Active Galactic Nuclei \|Basilakos Spyros Plionis Manolis \| ApJ \| 714-185 \| 2010 \| 2010ApJ...714L.185B \| http://ui.adsabs.harvard.edu/#abs/2010ApJ...714L.185B X-ray broad line emission in Seyfert galaxies: Mrk 766 and NGC 4051 \|Mason K. O. Branduardi-Raymont G. et al. \| AdSpR \| 34-2610 \| 2004 \| 2004AdSpR..34.2610M \| http://ui.adsabs.harvard.edu/#abs/2004AdSpR..34.2610M Probing variability patterns of the Fe K line complex in bright nearby AGNs \|de Marco B. Iwasawa K. et al. \| A&A \| 507-159 \| 2009 \| 2009A&A...507..159D \| http://ui.adsabs.harvard.edu/#abs/2009A&A...507..159D The X-ray spectral properties of the AGN population in the XMM-Newton bright serendipitous survey \|Corral A. Della Ceca R. et al. \| A&A \| 530-42 \| 2011 \| 2011A&A...530A..42C \| http://ui.adsabs.harvard.edu/#abs/2011A&A...530A..42C X-ray study of accretion flow in narrow-line Seyfert 1 galaxies \|Haba Y. Terashima Y. et al. \| AdSpR \| 41-174 \| 2008 \| 2008AdSpR..41..174H \| http://ui.adsabs.harvard.edu/#abs/2008AdSpR..41..174H Blazar nuclei in radio-loud narrow-line Seyfert 1? \|Foschini L. Maraschi L. et al. \| AdSpR \| 43-889 \| 2009 \| 2009AdSpR..43..889F \| http://ui.adsabs.harvard.edu/#abs/2009AdSpR..43..889F Rapid X-Ray Variability of Seyfert 1 Galaxies \|Vaughan S. Fabian A. C. \| Ap&SS \| 300-119 \| 2005 \| 2005Ap&SS.300..119V \| http://ui.adsabs.harvard.edu/#abs/2005Ap&SS.300..119V Root mean square variability properties of iron lines in Seyferts \|Bhayani Shyam Nandra Kirpal \| MNRAS \| 408-1020 \| 2010 \| 2010MNRAS.408.1020B \| http://ui.adsabs.harvard.edu/#abs/2010MNRAS.408.1020B An XMM-Newton spectral survey of 12 mum selected galaxies - I. X-ray data \|Brightman Murray Nandra Kirpal \| MNRAS \| 413-1206 \| 2011 \| 2011MNRAS.413.1206B \| http://ui.adsabs.harvard.edu/#abs/2011MNRAS.413.1206B The rapid X-ray variability of NGC 4051 \|Vaughan S. Uttley P. et al. \| MNRAS \| 413-2489 \| 2011 \| 2011MNRAS.413.2489V \| http://ui.adsabs.harvard.edu/#abs/2011MNRAS.413.2489V An All-Sky Atlas of Radio/X-ray Associations \|Flesch E. \| PASA \| 27-283 \| 2010 \| 2010PASA...27..283F \| http://ui.adsabs.harvard.edu/#abs/2010PASA...27..283F Fe Kalpha line profile in AGNs: average shape and redshift dependence \|Mao Wei-Ming Hu Chen et al. \| RAA \| 10-905 \| 2010 \| 2010RAA....10..905M \| http://ui.adsabs.harvard.edu/#abs/2010RAA....10..905M Energy-dependent variability and the origin of the soft X-ray excess in active galactic nuclei \|Gierlinski Marek Done Chris \| MNRAS \| 371-16 \| 2006 \| 2006MNRAS.371L..16G \| http://ui.adsabs.harvard.edu/#abs/2006MNRAS.371L..16G X-ray and optical variability of Seyfert 1 galaxies as observed with XMM-Newton \|Smith R. Vaughan S. \| MNRAS \| 375-1479 \| 2007 \| 2007MNRAS.375.1479S \| http://ui.adsabs.harvard.edu/#abs/2007MNRAS.375.1479S An absorption origin for the soft excess in Seyfert 1 active galactic nuclei \|Middleton Matthew Done Chris \| MNRAS \| 381-1426 \| 2007 \| 2007MNRAS.381.1426M \| http://ui.adsabs.harvard.edu/#abs/2007MNRAS.381.1426M An XMM-Newton survey of broad iron lines in Seyfert galaxies \|Nandra K. ONeill P. M. et al. \| MNRAS \| 382-194 \| 2007 \| 2007MNRAS.382..194N \| http://ui.adsabs.harvard.edu/#abs/2007MNRAS.382..194N Fourier-resolved energy spectra of the Narrow-Line Seyfert 1 Mkn 766 \|Arevalo P. McHardy I. M. et al. \| MNRAS \| 387-279 \| 2008 \| 2008MNRAS.387..279A \| http://ui.adsabs.harvard.edu/#abs/2008MNRAS.387..279A Multidimensional modelling of X-ray spectra for AGN accretion disc outflows \|Sim S. A. Long K. S. et al. \| MNRAS \| 388-611 \| 2008 \| 2008MNRAS.388..611S \| http://ui.adsabs.harvard.edu/#abs/2008MNRAS.388..611S Simultaneous X-ray/optical/UV snapshots of active galactic nuclei from XMM-Newton: spectral energy distributions for the reverberation mapped sample \|Vasudevan R. V. Fabian A. C. \| MNRAS \| 392-1124 \| 2009 \| 2009MNRAS.392.1124V \| http://ui.adsabs.harvard.edu/#abs/2009MNRAS.392.1124V An XMM-Newton spectral survey of 12 mum selected galaxies - II. Implications for AGN selection and unification \|Brightman Murray Nandra Kirpal \| MNRAS \| 414-3084 \| 2011 \| 2011MNRAS.414.3084B \| http://ui.adsabs.harvard.edu/#abs/2011MNRAS.414.3084B Negative X-ray reverberation time delays from MCG-6-30-15 and Mrk 766 \|Emmanoulopoulos D. McHardy I. M. \| MNRAS \| 416-94 \| 2011 \| 2011MNRAS.416L..94E \| http://ui.adsabs.harvard.edu/#abs/2011MNRAS.416L..94E An explanation for the soft X-ray excess in active galactic nuclei \|Crummy J. Fabian A. C. et al. \| MNRAS \| 365-1067 \| 2006 \| 2006MNRAS.365.1067C \| http://ui.adsabs.harvard.edu/#abs/2006MNRAS.365.1067C Combined long and short time-scale X-ray variability of NGC 4051 with RXTE and XMM-Newton \|McHardy I. M. Papadakis I. E. et al. \| MNRAS \| 348-783 \| 2004 \| 2004MNRAS.348..783M \| http://ui.adsabs.harvard.edu/#abs/2004MNRAS.348..783M Where are the X-ray quasi-periodic oscillations in active galaxies? \|Vaughan S. Uttley P. \| MNRAS \| 362-235 \| 2005 \| 2005MNRAS.362..235V \| http://ui.adsabs.harvard.edu/#abs/2005MNRAS.362..235V A Bayesian test for periodic signals in red noise \|Vaughan S. \| MNRAS \| 402-307 \| 2010 \| 2010MNRAS.402..307V \| http://ui.adsabs.harvard.edu/#abs/2010MNRAS.402..307V CAIXA: a catalogue of AGN in the XMM-Newton archive. I. Spectral analysis \|Bianchi S. Guainazzi M. et al. \| A&A \| 495-421 \| 2009 \| 2009A&A...495..421B \| http://ui.adsabs.harvard.edu/#abs/2009A&A...495..421B FERO: Finding extreme relativistic objects. I. Statistics of relativistic Fe Kalpha lines in radio-quiet Type 1 AGN \|de La Calle Perez I. Longinotti A. L. et al. \| A&A \| 524-50 \| 2010 \| 2010A&A...524A..50D \| http://ui.adsabs.harvard.edu/#abs/2010A&A...524A..50D The XMM Cluster Survey: X-ray analysis methodology \|Lloyd-Davies E. J. Romer A. Kathy et al. \| MNRAS \| 418-14 \| 2011 \| 2011MNRAS.418...14L \| http://ui.adsabs.harvard.edu/#abs/2011MNRAS.418...14L CAIXA: a catalogue of AGN in the XMM-Newton archive. III. Excess variance analysis \|Ponti G. Papadakis I. et al. \| A&A \| 542-83 \| 2012 \| 2012A&A...542A..83P \| http://ui.adsabs.harvard.edu/#abs/2012A&A...542A..83P X-ray variability of 104 active galactic nuclei. XMM-Newton power-spectrum density profiles \|Gonzalez-Martin O. Vaughan S. \| A&A \| 544-80 \| 2012 \| 2012A&A...544A..80G \| http://ui.adsabs.harvard.edu/#abs/2012A&A...544A..80G Classification of X-Ray Sources in the XMM-Newton Serendipitous Source Catalog \|Lin Dacheng Webb Natalie A. \| ApJ \| 756-27 \| 2012 \| 2012ApJ...756...27L \| http://ui.adsabs.harvard.edu/#abs/2012ApJ...756...27L Automated spectral and timing analysis of AGNs \|Munz F. Karas V. \| AN \| 327-1094 \| 2006 \| 2006AN....327.1094M \| http://ui.adsabs.harvard.edu/#abs/2006AN....327.1094M Ensemble X-ray variability of active galactic nuclei from serendipitous source catalogues \|Vagnetti F. Turriziani S. \| A&A \| 536-84 \| 2011 \| 2011A&A...536A..84V \| http://ui.adsabs.harvard.edu/#abs/2011A&A...536A..84V On the Iwasawa-Taniguchi effect of radio-quiet AGN \|Bianchi S. Guainazzi M. et al. \| A&A \| 467-19 \| 2007 \| 2007A&A...467L..19B \| http://ui.adsabs.harvard.edu/#abs/2007A&A...467L..19B Cross-correlation of the 2XMMi catalogue with Data Release 7 of the Sloan Digital Sky Survey \|Pineau F.-X. Motch C. et al. \| A&A \| 527-126 \| 2011 \| 2011A&A...527A.126P \| http://ui.adsabs.harvard.edu/#abs/2011A&A...527A.126P A systematic cross-search for radio/infrared counterparts of XMM- Newton sources \|Combi J. A. Albacete Colombo J. F. et al. \| Ap&SS \| 331-53 \| 2011 \| 2011Ap&SS.331...53C \| http://ui.adsabs.harvard.edu/#abs/2011Ap&SS.331...53C Exploring X-ray and radio emission of type 1 AGN up to z ~ 2.3 \|Ballo L. Heras F. J. H. et al. \| A&A \| 545-66 \| 2012 \| 2012A&A...545A..66B \| http://ui.adsabs.harvard.edu/#abs/2012A&A...545A..66B The 2-8 keV cosmic X-ray background spectrum as observed with XMM-Newton \|De Luca A. Molendi S. \| A&A \| 419-837 \| 2004 \| 2004A&A...419..837D \| http://ui.adsabs.harvard.edu/#abs/2004A&A...419..837D High spectral resolution X-ray observations of AGN \|Kaastra J. S. \| AN \| 329-162 \| 2008 \| 2008AN....329..162K \| http://ui.adsabs.harvard.edu/#abs/2008AN....329..162K A Comparison of Hard X-ray Photon Indices and Iron Kalpha Emission Lines in X-ray Luminous Narrow- and Broad-line Seyfert 1 Galaxies \|Zhou Xin-Lin Zhang Shuang-Nan \| ApJ \| 713-11 \| 2010 \| 2010ApJ...713L..11Z \| http://ui.adsabs.harvard.edu/#abs/2010ApJ...713L..11Z Discovery of a relation between black hole mass and soft X-ray time lags in active galactic nuclei \|De Marco B. Ponti G. et al. \| MNRAS \| 431-2441 \| 2013 \| 2013MNRAS.431.2441D \| http://ui.adsabs.harvard.edu/#abs/2013MNRAS.431.2441D Generating artificial light curves: revisited and updated \|Emmanoulopoulos D. McHardy I. M. \| MNRAS \| 433-907 \| 2013 \| 2013MNRAS.433..907E \| http://ui.adsabs.harvard.edu/#abs/2013MNRAS.433..907E Dynamical Behavior of X-Ray Spectra from Markarian 766 \|Liebmann A. C. Haba Y. et al. \| ApJ \| 780-35 \| 2014 \| 2014ApJ...780...35L \| http://ui.adsabs.harvard.edu/#abs/2014ApJ...780...35L Analysis of X-ray spectral variability and black hole mass determination of the NLS1 galaxy Mrk 766 \|Giacche S. Gilli R. \| A&A \| 562-44 \| 2014 \| 2014A&A...562A..44G \| http://ui.adsabs.harvard.edu/#abs/2014A&A...562A..44G General relativistic modelling of the negative reverberation X-ray time delays in AGN \|Emmanoulopoulos D. Papadakis I. E. et al. \| MNRAS \| 439-3931 \| 2014 \| 2014MNRAS.439.3931E \| http://ui.adsabs.harvard.edu/#abs/2014MNRAS.439.3931E Automatic Classification of Time-variable X-Ray Sources \|Lo Kitty K. Farrell Sean et al. \| ApJ \| 786-20 \| 2014 \| 2014ApJ...786...20L \| http://ui.adsabs.harvard.edu/#abs/2014ApJ...786...20L Warm absorbers in X-rays (WAX) a comprehensive high-resolution grating spectral study of a sample of Seyfert galaxies - I. A global view and frequency of occurrence of warm absorbers. \|Laha Sibasish Guainazzi Matteo et al. \| MNRAS \| 441-2613 \| 2014 \| 2014MNRAS.441.2613L \| http://ui.adsabs.harvard.edu/#abs/2014MNRAS.441.2613L The diversity of quasars unified by accretion and orientation \|Shen Yue Ho Luis C. \| Natur \| 513-210 \| 2014 \| 2014Natur.513..210S \| http://ui.adsabs.harvard.edu/#abs/2014Natur.513..210S Search for X-ray occultations in active galactic nuclei \|Torricelli-Ciamponi G. Pietrini P. et al. \| MNRAS \| 442-2116 \| 2014 \| 2014MNRAS.442.2116T \| http://ui.adsabs.harvard.edu/#abs/2014MNRAS.442.2116T Serendipitous UV source catalogues for 10 years of XMM and 5 years of Swift \|Yershov V. N. \| Ap&SS \| 354-97 \| 2014 \| 2014Ap&SS.354...97Y \| http://ui.adsabs.harvard.edu/#abs/2014Ap&SS.354...97Y X-ray properties of a sample of polar-scattered Seyfert galaxies \|Jimenez-Bailon E. Guainazzi M. et al. \| RMxAC \| 32-131 \| 2008 \| 2008RMxAC..32..131J \| http://ui.adsabs.harvard.edu/#abs/2008RMxAC..32..131J Can Ionized Outflows in AGN Produce Important Feedback Effects? The Case of NGC 4051 \|Krongold Y. Nicastro F. et al. \| RMxAC \| 32-123 \| 2008 \| 2008RMxAC..32..123K \| http://ui.adsabs.harvard.edu/#abs/2008RMxAC..32..123K Evidence for ultrafast outflows in radio-quiet AGNs - III. Location and energetics \|Tombesi F. Cappi M. et al. \| MNRAS \| 422-1 \| 2012 \| 2012MNRAS.422L...1T \| http://ui.adsabs.harvard.edu/#abs/2012MNRAS.422L...1T CAIXA: a catalogue of AGN in the XMM-Newton archive. II. Multiwavelength correlations \|Bianchi S. Bonilla N. F. et al. \| A&A \| 501-915 \| 2009 \| 2009A&A...501..915B \| http://ui.adsabs.harvard.edu/#abs/2009A&A...501..915B The relationship between O IIIlambda5007 A equivalent width and obscuration in active galactic nuclei \|Caccianiga A. Severgnini P. \| MNRAS \| 415-1928 \| 2011 \| 2011MNRAS.415.1928C \| http://ui.adsabs.harvard.edu/#abs/2011MNRAS.415.1928C On the evidence for narrow relativistically shifted X-ray lines \|Vaughan S. Uttley P. \| MNRAS \| 390-421 \| 2008 \| 2008MNRAS.390..421V \| http://ui.adsabs.harvard.edu/#abs/2008MNRAS.390..421V Sunyaev-Zeldovich effect or not? Detecting the main foreground effect of most galaxy clusters \|Xiao Weike Chen Chen et al. \| MNRAS \| 432-41 \| 2013 \| 2013MNRAS.432L..41X \| http://ui.adsabs.harvard.edu/#abs/2013MNRAS.432L..41X X-ray reverberation around accreting black holes \|Uttley P. Cackett E. 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Annis J. et al. \| MNRAS \| 493-4591 \| 2020 \| 2020MNRAS.493.4591P \| http://ui.adsabs.harvard.edu/#abs/2020MNRAS.493.4591P More than softer-when-brighter: The X-ray powerlaw spectral variability in NGC 4051 \|Wu Yun-Jing Wang Jun-Xian et al. \| SCPMA \| 63-129512 \| 2020 \| 2020SCPMA..6329512W \| http://ui.adsabs.harvard.edu/#abs/2020SCPMA..6329512W Active galactic nucleus feedback in an elliptical galaxy with the most updated AGN physics: Parameter explorations \|Yao Zhiyuan Yuan Feng \| MNRAS \| 501-398 \| 2021 \| 2021MNRAS.501..398Y \| http://ui.adsabs.harvard.edu/#abs/2021MNRAS.501..398Y A Luminous X-Ray Transient in SDSS J143359.16+400636.0: A Likely Tidal Disruption Event \|Brightman Murray Ward Charlotte et al. \| ApJ \| 909-102 \| 2021 \| 2021ApJ...909..102B \| http://ui.adsabs.harvard.edu/#abs/2021ApJ...909..102B Searching for energy-resolved quasi-periodic oscillations in AGN \|Ashton Dominic I. 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Instrument	EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage	2001-05-16T10:30:57Z/2001-05-21T20:38:40Z
Version	PPS_NOT_AVAILABLE
Mission Description	The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations. Since Earths atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact	https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published	2003-05-06T00:00:00Z
Last Update	2026-03-04
Keywords	"XMM", "continuum variations", "spectral variability", "spectral shape", "optical wavelengths", "soft xray", "shortest scales", "partially ionized gas", "medium xray", "NGC4051", "power spectrum", "flux variations", "cross correlation", "bright seyfert", "seyfert galaxy"
Publisher And Registrant	European Space Agency
Credit Guidelines	European Space Agency, Prof Keith Mason, 2003, 'Spectral Variability of Seyfert Galaxies', PPS_NOT_AVAILABLE, European Space Agency, https://doi.org/10.5270/esa-0u4md6o