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

A. Zoghbi; E. M. Cackett; C. Reynolds; E. Kara; F. A. Harrison; A. C. Fabian; A. Lohfink; G. Matt; M. Balokovic; S. E. Boggs; Finn Erland Christensen; W. Craig; C. J. Hailey; D. Stern; W. W. Zhang

doi:10.1088/0004-637X/789/1/56

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

A. Zoghbi, E. M. Cackett, C. Reynolds, E. Kara, F. A. Harrison, A. C. Fabian, A. Lohfink, G. Matt, M. Balokovic, S. E. Boggs, Finn Erland Christensen, W. Craig, C. J. Hailey, D. Stern, W. W. Zhang

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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.

Original language	English
Journal	Astrophysical Journal
Volume	789
Issue number	56
Number of pages	8
ISSN	0004-637X
DOIs	https://doi.org/10.1088/0004-637X/789/1/56
Publication status	Published - 2014

Bibliographical note

Keywords

galaxies: active
X-rays: galaxies
X-rays: individual (MCG-5-23-16)

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10.1088/0004-637X/789/1/56

0004 637X 789 1 56Final published version, 471 KB

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Zoghbi, A., Cackett, E. M., Reynolds, C., Kara, E., Harrison, F. A., Fabian, A. C., Lohfink, A., Matt, G., Balokovic, M., Boggs, S. E., Christensen, F. E., Craig, W., Hailey, C. J., Stern, D., & 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(56). https://doi.org/10.1088/0004-637X/789/1/56

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title = "Observations of MCG-5-23-16 with Suzaku, XMM-Newton and Nustar: Disk Tomography and Compton Hump Reverberation ",

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.",

keywords = "galaxies: active, X-rays: galaxies, X-rays: individual (MCG-5-23-16)",

author = "A. Zoghbi and Cackett, {E. M.} and C. Reynolds and E. Kara and Harrison, {F. A.} and Fabian, {A. C.} and A. Lohfink and G. Matt and M. Balokovic and Boggs, {S. E.} and Christensen, {Finn Erland} and W. Craig and Hailey, {C. J.} and D. Stern and Zhang, {W. W.}",

year = "2014",

doi = "10.1088/0004-637X/789/1/56",

language = "English",

volume = "789",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "American Astronomical Society",

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Zoghbi, A, Cackett, EM, Reynolds, C, Kara, E, Harrison, FA, Fabian, AC, Lohfink, A, Matt, G, Balokovic, M, Boggs, SE, Christensen, FE, Craig, W, Hailey, CJ, Stern, D & Zhang, WW 2014, 'Observations of MCG-5-23-16 with Suzaku, XMM-Newton and Nustar: Disk Tomography and Compton Hump Reverberation ', Astrophysical Journal, vol. 789, no. 56. https://doi.org/10.1088/0004-637X/789/1/56

TY - JOUR

T1 - Observations of MCG-5-23-16 with Suzaku, XMM-Newton and Nustar

T2 - Disk Tomography and Compton Hump Reverberation

AU - Zoghbi, A.

AU - Cackett, E. M.

AU - Reynolds, C.

AU - Kara, E.

AU - Harrison, F. A.

AU - Fabian, A. C.

AU - Lohfink, A.

AU - Matt, G.

AU - Balokovic, M.

AU - Boggs, S. E.

AU - Christensen, Finn Erland

AU - Craig, W.

AU - Hailey, C. J.

AU - Stern, D.

AU - Zhang, W. W.

PY - 2014

Y1 - 2014

N2 - 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.

AB - 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.

KW - galaxies: active

KW - X-rays: galaxies

KW - X-rays: individual (MCG-5-23-16)

U2 - 10.1088/0004-637X/789/1/56

DO - 10.1088/0004-637X/789/1/56

M3 - Journal article

SN - 0004-637X

VL - 789

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 56

ER -

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

Abstract

Bibliographical note

Keywords

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