AN XMM-NEWTON VIEW OF THE RADIO GALAXY 3C 411

被引:6
|
作者
Bostrom, Allison [1 ]
Reynolds, Christopher S. [1 ,2 ,3 ]
Tombesi, Francesco [1 ]
机构
[1] Univ Maryland, Dept Astron, College Pk, MD 20742 USA
[2] Joint Space Sci Inst JSI, College Pk, MD 20742 USA
[3] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
来源
ASTROPHYSICAL JOURNAL | 2014年 / 791卷 / 02期
关键词
accretion; accretion disks; black hole physics; galaxies: active; galaxies: jets; galaxies: individual (3C411); X-rays: galaxies; ULTRA-FAST OUTFLOWS; SHELL ABSORPTION-LINES; ACTIVE GALACTIC NUCLEI; BL LACERTAE OBJECTS; X-RAY; BLACK-HOLE; SEYFERT-GALAXIES; QUIET AGNS; SPECTRA; BLAZARS;
D O I
10.1088/0004-637X/791/2/119
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the first high signal-to-noise XMM-Newton observations of the broad-line radio galaxy 3C 411. After fitting various spectral models, an absorbed double power-law (PL) continuum and a blurred relativistic disk reflection model (kdblur) are found to be equally plausible descriptions of the data. While the softer PL component (Gamma = 2.11) of the double PL model is entirely consistent with that found in Seyfert galaxies (and hence likely originates from a disk corona), the additional PL component is very hard (Gamma = 1.05); amongst the active galactic nucleus zoo, only flat-spectrum radio quasars (FSRQ) have such hard spectra. Together with the flat radio-spectrum displayed by this source, we suggest that it should instead be classified as an FSRQ. This leads to potential discrepancies regarding the jet inclination angle, with the radio morphology suggesting a large jet inclination but the FSRQ classification suggesting small inclinations. The kdblur model predicts an inner disk radius of at most 20 r(g) and relativistic reflection.
引用
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页数:6
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