The second INTEGRAL AGN catalogue

被引：115

作者：

Beckmann, V. ^{[1
,2
,3
]}

Soldi, S. ^{[4
]}

Ricci, C. ^{[1
,2
]}

Alfonso-Garzon, J. ^{[5
]}

Courvoisier, T. J. -L. ^{[1
,2
]}

Domingo, A. ^{[5
]}

Gehrels, N. ^{[6
]}

Lubinski, P. ^{[1
,7
]}

Mas-Hesse, J. M. ^{[5
]}

Zdziarski, A. A. ^{[7
]}

机构：

[1] ISDC Data Ctr Astrophys, CH-1290 Versoix, Switzerland

[2] Univ Geneva, Astron Observ, CH-1290 Sauverny, Switzerland

[3] Univ Paris Diderot, APC Lab, F-75205 Paris 13, France

[4] Univ Paris Diderot, Lab AIM CNRS CEA DSM, CEA Saclay, DSM IRFU SAp,UMR 7158, F-91191 Gif Sur Yvette, France

[5] INTA, CSIC, Ctr Astrobiol LAEX, Madrid 28691, Spain

[6] NASA, Goddard Space Flight Ctr, Astrophys Sci Div, Greenbelt, MD 20771 USA

[7] Ctr Astron M Kopernika, PL-00716 Warsaw, Poland

来源：

ASTRONOMY & ASTROPHYSICS | 2009年 / 505卷 / 01期

关键词：

galaxies: active; galaxies: Seyfert; X-rays: galaxies; surveys; catalogs; ACTIVE GALACTIC NUCLEI; BLACK-HOLE MASS; ALL-SKY SURVEY; SEYFERT; GALAXIES; X-RAY VARIABILITY; XMM-NEWTON; COMPTON REFLECTION; HOST GALAXIES; INSTRUMENT DESCRIPTION; OPTICAL SPECTROSCOPY;

D O I：

10.1051/0004-6361/200912111

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Aims. The INTEGRAL mission provides a large data set for studying the hard X-ray properties of AGN and allows testing of the unified scheme for AGN. Methods. We present analysis of INTEGRAL IBIS/ISGRI, JEM-X, and OMC data for 199 AGN supposedly detected by INTEGRAL above 20 keV. Results. The data analysed here allow significant spectral extraction on 148 objects and an optical variability study of 57 AGN. The slopes of the hard X-ray spectra of Seyfert 1 and Seyfert 2 galaxies are found to be consistent within the uncertainties, whereas higher cut-off energies and lower luminosities we measured for the more absorbed/type 2 AGN. The intermediate Seyfert 1.5 objects exhibit hard X-ray spectra consistent with those of Seyfert 1. When applying a Compton reflection model, the underlying continua appear the same in Seyfert 1 and 2 with Gamma similar or equal to 2, and the reflection strength is about R similar or equal to 1, when assuming different inclination angles. A significant correlation is found between the hard X-ray and optical luminosity and the mass of the central black hole in the sense that the more luminous objects appear to be more massive. There is also a general trend toward the absorbed sources and type 2 AGN having lower Eddington ratios. The black hole mass appears to form a fundamental plane together with the optical and X-ray luminosity of the form L-V proportional to (LXMBH0.2)-M-0.6, similar to what is found between L-R, L-X, and M-BH. Conclusions. The transition from the type 1 to type 2 AGN appears to be smooth. The type 2 AGN are less luminous and have less accreting super massive black holes. The unified model for Seyfert galaxies seems to hold, showing in hard X-rays that the central engine is the same in Seyfert 1 and 2, but seen under different inclination angles and absorption. The fundamental plane links the accretion mechanism with the bulge of the host galaxy and with the mass of the central engine in the same way in all types of Seyfert galaxies.

引用

页码：417 / 439

页数：23

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