The Suzaku X-ray spectrum of NGC 3147 - Further insights on the best “true” Seyfert 2 galaxy candidate

@article{Matt2012TheSX,
  title={The Suzaku X-ray spectrum of NGC 3147 - Further insights on the best “true” Seyfert 2 galaxy candidate},
  author={Giorgio Matt and Stefano Bianchi and Matteo Guainazzi and Xavier Barcons and Francesca Panessa},
  journal={Astronomy and Astrophysics},
  year={2012},
  volume={540}
}
G.M., S.B. and F.P. acknowledge financial support from ASI under grants ASI/INAF I/088/06/0 and I/009/10/0, F.P. also from grant INTEGRAL I/033/10/0. X.B.’s research is funded by the Spanish Ministry of Economy and Competitivity through grant AYA2010-21490-C02-01. 

Figures and Tables from this paper

The NuSTAR view of the true type 2 Seyfert NGC 3147

We present the first NuSTAR observation of a ‘true’ type 2 Seyfert galaxy. The 3–40 keV X-ray spectrum of NGC 3147 is characterized by a simple power-law, with a standard Γ ∼ 1.7 and an iron emission

Simultaneous X-ray and optical observations of true type 2 Seyfert galaxies

We present the results of a campaign of simultaneous X-ray and optical observations of ‘true’ type 2 Seyfert galaxies candidates, i.e. active galactic nuclei without a broad-line region (BLR). Out of

HST unveils a compact mildly relativistic broad-line region in the candidate true type 2 NGC 3147

NGC 3147 has been considered the best case of a true type 2 AGN: an unobscured AGN, based on the unabsorbed compact X-ray continuum, which lacks a broad-line region (BLR). However, the very low

The subarcsecond mid-infrared view of local active galactic nuclei – I. The N- and Q-band imaging atlas

We present the first subarcsecond-resolution mid-infrared (MIR) atlas of local active galactic nuclei (AGN). Our atlas contains 253 AGN with a median redshift of z = 0.016, and includes all publicly

The subarcsecond mid-infrared view of local active galactic nuclei – II. The mid-infrared–X-ray correlation

We present an updated mid-infrared (MIR) versus X-ray correlation for the local active galactic nuclei (AGN) population based on the high angular resolution 12 and 18?m continuum fluxes from the AGN

THE LOW-MASS, HIGHLY ACCRETING BLACK HOLE ASSOCIATED WITH THE ACTIVE GALACTIC NUCLEUS 2XMM J123103.2+110648

Optical spectra and images taken with the Baade 6.5 m Magellan telescope confirm that 2XMM J123103.2+110648, a highly variable X-ray source with an unusually soft spectrum, is indeed associated with

AN UNOBSCURED TYPE II QUASAR CANDIDATE: SDSS J012032.19-005501.9

We report the finding of an unobscured type II active galactic nucleus (AGN) candidate, SDSS J012032.19-005501.9, at a relatively high redshift of 0.601, which shows a number of unusual properties.

The column density distribution of hard X-ray radio galaxies

In order to investigate the role of absorption in AGN with jets, we have studied the column density distribution of a hard X-ray selected sample of radio galaxies, derived from the INTEGRAL/IBIS and

The Frequency of Intrinsic X-Ray Weakness among Broad Absorption Line Quasars

We present combined ≈14–37 ks Chandra observations of seven z = 1.6–2.7 broad absorption line (BAL) quasars selected from the Large Bright Quasar Survey (LBQS). These seven objects are

Infrared colours and spectral energy distributions of hard X-ray selected obscured and Compton-thick active galactic nuclei

We investigate the infrared colours and spectral energy distributions (SEDs) of 338 X-ray selected active galactic nuclei (AGNs) from the Swift/Burst Alert Telescope (BAT) 105-month survey

References

SHOWING 1-10 OF 30 REFERENCES

NGC3147: a "true" Seyfert 2 without the broad-line region

We report on simultaneous optical and X-ray observations of the Seyfert galaxy, NGC3147. The XMM-Newton spectrum shows that the source is unabsorbed in the X-rays ($N_H<5\times10^{20}$ cm$^{-2}$). On

The X-Ray Reflectors in the Nucleus of the Seyfert Galaxy NGC 1068

Based on observations of the Seyfert nucleus in NGC 1068 with ASCA, RXTE, and BeppoSAX, we report the discovery of a flare (increase in flux by a factor of ~1.6) in the 6.7 keV Fe K line component

Swift XRT Observation of 34 New INTEGRAL IBIS AGNs: Discovery of Compton-Thick and Other Peculiar Sources

For a significant number of the sources detected at high energies (>10 keV) by the INTEGRAL IBIS and Swift BAT instruments there is either a lack information about them in the 2-10 keV range or they

Indecent Exposure in Seyfert 2 Galaxies: A Close Look

NGC 3147, NGC 4698, and 1ES 1927+654 are active galaxies that are classified as Seyfert 2s, based on the line ratios of strong narrow emission lines in their optical spectra. However, they exhibit

On the X-ray, optical emission line and black hole mass properties of local Seyfert galaxies !

We investigate the relation between X-ray nuclear emission, optical emission line luminosities and black hole masses for a sample of 47 Seyfert galaxies. The sample, which has been selected from the

Rapid Compton-thick/Compton-thin Transitions in the Seyfert 2 Galaxy NGC 1365

We present multiple Chandra and XMM-Newton observations of the type 1.8 Seyfert galaxy NGC 1365, which shows the most dramatic X-ray spectral changes observed so far in an active galactic nucleus:

On the intensity of the extragalactic X-ray background

Measurements of the intensity of the cosmic X-ray background (XRB) carried out over small solid angles are subject to spatial variations due to the discrete nature of the XRB. We find variations of

The iron K line complex in NGC1068: implications for X-ray reflection in the nucleus

We report a new analysis of ASCA data on the iron K line complex in NGC1068. The line complex basically consists of three components, as previously reported. A weak red wing of the 6.4 keV

BeppoSAX observations in the 2–100 keV band of the nearby Seyfert galaxies: an atlas of spectra

An atlas of high energy ($E\geq2$ keV) spectra of nearby ($z\leq0.1$) Seyfert galaxies observed with ${\it BeppoSAX}$ is presented. The data have been analyzed in an homogeneous way. The final sample