A dataset provided by the European Space Agency

Name: How fast can an AGN shut down? XMM-Newton observation of IC 2497
Published: 2011-05-15T00:00:00Z

Proposal ID	060269
Title	How fast can an AGN shut down? XMM-Newton observation of IC 2497
Download Data Associated to the proposal	https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0602690101
DOI	https://doi.org/10.5270/esa-spbt1ow
Principal Investigator, PI	Dr Kevin Schawinski
Abstract	We propose to observe IC 2497 with XMM-Newton to detect, or rule out, anobscured AGN that might account for the illumination of Hannys Voorwerp. TheVoorwerp is a highly ionised cloud of gas extended over 15-25 kpc next to thespiral galaxy IC 2497. There is no source of ionisation within the Voorwerp,implicating a luminous 1E44 erg/s AGN in IC 2497 as the source. Swift XRTobservations do not yield a detection, allowing the presence of a highlyobscured, sufficiently luminous AGN. With 34 ksec of XMM observations, we coulddetect an obscured AGN down to 1E42 erg/s. We can thus either locate an obscuredAGN, or we can for the first time constrain the shutdown time scale for apowerful AGN, as it drops by a factor of 100 in luminosity in 1E5 years.
Publications	The Sudden Death of the Nearest Quasar \|Schawinski Kevin Evans Daniel A. et al. \| ApJ \| 724-30 \| 2010 \| 2010ApJ...724L..30S \| http://ui.adsabs.harvard.edu/#abs/2010ApJ...724L..30S 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 XMM-Newton publication statistics \|Ness J.-U. Parmar A. N. et al. \| AN \| 335-210 \| 2014 \| 2014AN....335..210N \| http://ui.adsabs.harvard.edu/#abs/2014AN....335..210N The Tight Relation between X-Ray and Ultraviolet Luminosity of Quasars \|Lusso E. Risaliti G. \| ApJ \| 819-154 \| 2016 \| 2016ApJ...819..154L \| http://ui.adsabs.harvard.edu/#abs/2016ApJ...819..154L The Million Optical - Radio/X-ray Associations (MORX) Catalogue \|Flesch Eric W. \| PASA \| 33-52 \| 2016 \| 2016PASA...33...52F \| http://ui.adsabs.harvard.edu/#abs/2016PASA...33...52F AGN spectral states from simultaneous UV and X-ray observations by XMM-Newton \|Svoboda J. Guainazzi M. \| A&A \| 603-127 \| 2017 \| 2017A&A...603A.127S \| http://ui.adsabs.harvard.edu/#abs/2017A&A...603A.127S 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 Classification of 4XMM-DR9 sources by machine learning \|Zhang Yanxia Zhao Yongheng \| MNRAS \| 503-5263 \| 2021 \| 2021MNRAS.503.5263Z \| http://ui.adsabs.harvard.edu/#abs/2021MNRAS.503.5263Z X-ray emission from a rapidly accreting narrow-line Seyfert 1 galaxy at z = 6.56 \|Wolf J. Nandra K. et al. \| A&A \| 669-127 \| 2023 \| 2023A&A...669A.127W \| http://ui.adsabs.harvard.edu/#abs/2023A&A...669A.127W The XMM-Newton Line Emission Analysis Program (X-LEAP). I. Emission-line Survey of O VII O VIII and Fe L-shell Transitions \|Pan Zeyang Qu Zhijie et al. \| ApJS \| 271-62 \| 2024 \| 2024ApJS..271...62P \| http://ui.adsabs.harvard.edu/#abs/2024ApJS..271...62P From Active Stars to Black Holes: A Discovery Tool for Galactic X-Ray Sources \|Rodriguez Antonio C. \| PASP \| 136-054201 \| 2024 \| 2024PASP..136e4201R \| http://ui.adsabs.harvard.edu/#abs/2024PASP..136e4201R Robust constraints on feebly interacting particles using XMM-Newton \|Luque Pedro De la Torre Balaji Shyam \| PhRvD \| 109-L101305 \| 2024 \| 2024PhRvD.109j1305L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j1305L Multimessenger search for electrophilic feebly interacting particles from supernovae \|Luque Pedro De la Torre Balaji Shyam \| PhRvD \| 109-103028 \| 2024 \| 2024PhRvD.109j3028L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j3028L Importance of Cosmic-Ray Propagation on Sub-GeV Dark Matter Constraints \|De la Torre Luque Pedro Balaji Shyam \| ApJ \| 968-46 \| 2024 \| 2024ApJ...968...46D \| http://ui.adsabs.harvard.edu/#abs/2024ApJ...968...46D
Instrument	EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage	2010-04-19T08:25:05Z/2010-04-19T22:01:19Z
Version	17.56_20190403_1200
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	2011-05-15T00:00:00Z
Last Update	2025-01-27
Keywords	"time constrain", "shutdown time scale", "obscured agn", "luminous 1e44 erg", "xmm newton", "ionised cloud", "XMM-Newton", "swift xrt", "1e42 erg", "voorwerp '.", "XMM", "luminous agn", "ic 2497", "agn shut", "powerful agn"
Publisher And Registrant	European Space Agency
Credit Guidelines	European Space Agency, Dr Kevin Schawinski, 2011, 'How fast can an AGN shut down? XMM-Newton observation of IC 2497', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-spbt1ow