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Observations of MCG-5-23-16 with Suzaku, XMM-Newton and NuSTAR: Disk Tomography and Compton Hump Reverberation

Zoghbi, A. and Cackett, E. M. and Reynolds, C. and Kara, E. and Harrison, F. A. and Fabian, A. C. and Lohfink, A. and Matt, G. and Baloković, M. and Boggs, S. E. and Christensen, F. E. and Craig, W. and Hailey, C. J. and Stern, D. and Zhang, W. W. (2014) Observations of MCG-5-23-16 with Suzaku, XMM-Newton and NuSTAR: Disk Tomography and Compton Hump Reverberation. Astrophysical Journal, 789 (1). Art. No. 56. ISSN 0004-637X. http://resolver.caltech.edu/CaltechAUTHORS:20140728-114014890

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Abstract

MCG-5-23-16 is one of the first active galactic nuclei (AGNs) where relativistic reverberation in the iron K line originating in the vicinity of the supermassive black hole was found, based on a short XMM-Newton observation. In this work, we present the results from long X-ray observations using Suzaku, XMM-Newton, and NuSTAR designed to map the emission region using X-ray reverberation. A relativistic iron line is detected in the lag spectra on three different timescales, allowing the emission from different regions around the black hole to be separated. Using NuSTAR coverage of energies above 10 keV reveals a lag between these energies and the primary continuum, which is detected for the first time in an AGN. This lag is a result of the Compton reflection hump responding to changes in the primary source in a manner similar to the response of the relativistic iron K line.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/0004-637X/789/1/56DOIArticle
http://iopscience.iop.org/0004-637X/789/1/56/PublisherArticle
http://arxiv.org/abs/1405.3674arXivDiscussion Paper
ORCID:
AuthorORCID
Harrison, F. A.0000-0003-2992-8024
Boggs, S. E.0000-0001-9567-4224
Stern, D.0000-0003-2686-9241
Additional Information:© 2014 The American Astronomical Society. Received 2014 March 24; Accepted 2014 May 14; Published 2014 June 13. This work has been partly supported by NASA grant NNX14AF89G. The research in this article has made use of data obtained from the Suzaku satellite, a collaborative mission between the space agencies of Japan (JAXA) and the USA (NASA). We made use of data from the NuSTAR mission, a project led by the California Institute of Technology, managed by the Jet Propulsion Laboratory, and funded by the National Aeronautics and Space Administration. Part of this work is based on observations obtained with XMM-Newton, an ESA science mission with instruments and contributions directly funded by ESA Member States and NASA.
Group:NuSTAR, Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANNX14AF89G
ESA Member StatesUNSPECIFIED
Subject Keywords:galaxies: active; X-rays: galaxies; X-rays: individual (MCG-5-23-16)
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory2014-50
Record Number:CaltechAUTHORS:20140728-114014890
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140728-114014890
Official Citation:Observations of MCG-5-23-16 with Suzaku, XMM-Newton and NuSTAR: Disk Tomography and Compton Hump Reverberation A. Zoghbi et al. 2014 ApJ 789 56
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47524
Collection:CaltechAUTHORS
Deposited By: Joanne McCole
Deposited On:28 Jul 2014 20:14
Last Modified:10 Oct 2017 21:07

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