论文标题
硬X射线的红外颜色和光谱能量分布选择被遮盖和compton-Thick-thick Agn
Infrared Colours and Spectral Energy Distributions of Hard X-ray Selected Obscured and Compton-thick AGN
论文作者
论文摘要
我们研究了具有Akari检测的Swift-Bat 105个月的调查目录中选择的338 X射线AGN的红外颜色和光谱能量分布（SED），以便找到针对Compton-Thick-Thick-Thick-thick AGN的新选择标准。 By combining data from Galaxy Evolution Explore (GALEX), Sloan Digital Sky Survey (SDSS) Data Release 14 (DR14), Two Micron All Sky Survey (2MASS), Wide-field Infrared Survey Explorer (WISE), AKARI and Herschel for the first time we perform ultraviolet (UV) to far-infrared (FIR) SED fitting 158 Swift BAT AGN by CIGALE and constrain the AGN model parameters of模糊而康普顿厚的Agn。平均SED的比较显示，而MID-IR（miR）SED在三个AGN种群中相似，光学/紫外线和FIR区的比较差异。我们测量灰尘光度，纯AGN光度和总红外（IR）亮度。我们检查了14-195 KEV频段中测得的红外发光度与硬X射线光度之间的关系。我们表明，与被遮盖的AGN相比，Compton-Thick-AGN的平均覆盖率更高。我们为基于mir和fir颜色提供了一种新的红外线选择（[[9 $μ$ m -22美元$ $ m] $> 3.0 $和[22 $ $ $ m -90 $ m -90 $ m $ m] $ <2.7 $）。我们发现Swift-Bat样品中未包含的两个已知的Compton-Thick-AGN，并得出结论，覆盖9.7 $ $ m $ m硅酸盐的吸收和mir Continuum的miR颜色可能是识别Compton-Thick-Thick AGN的有希望的新工具。
We investigate infrared colours and spectral energy distributions (SEDs) of 338 X-ray selected AGN from Swift-BAT 105-month survey catalogue that have AKARI detection, in order to find a new selection criteria for Compton-thick AGN. By combining data from Galaxy Evolution Explore (GALEX), Sloan Digital Sky Survey (SDSS) Data Release 14 (DR14), Two Micron All Sky Survey (2MASS), Wide-field Infrared Survey Explorer (WISE), AKARI and Herschel for the first time we perform ultraviolet (UV) to far-infrared (FIR) SED fitting 158 Swift BAT AGN by CIGALE and constrain the AGN model parameters of obscured and Compton-thick AGN. The comparison of average SEDs show while the mid-IR (MIR) SEDs are similar for the three AGN populations, optical/UV and FIR regions have differences. We measure the dust luminosity, the pure AGN luminosity and the total infrared (IR) luminosity. We examine the relationships between the measured infrared luminosities and the hard X-ray luminosity in the 14-195 keV band. We show that the average covering factor of Compton-thick AGN is higher compared to the obscured and unobscured AGN. We present a new infrared selection for Compton-thick AGN based on MIR and FIR colours ([9$μ$m - 22$μ$m]$ > 3.0$ and [22$μ$m - 90$μ$m]$ < 2.7$) from WISE and AKARI. We find two known Compton-thick AGN that are not included in the Swift-BAT sample, and conclude that MIR colours covering 9.7$μ$m silicate absorption and MIR continuum can be a promising new tool to identify Compton-thick AGN.
