REVISITING THE "FUNDAMENTAL PLANE" OF BLACK HOLE ACTIVITY AT EXTREMELY LOW LUMINOSITIES
文献类型：期刊论文
| 作者 | Yuan, Feng1 ; Yu, Zhaolong1,2; Ho, Luis C.3
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| 刊名 | ASTROPHYSICAL JOURNAL
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| 出版日期 | 2009-09-01 |
| 卷号 | 703期号:1页码:1034-1043 |
| 关键词 | accretion black hole physics galaxies: active quasars: general X-rays: general accretion disks |
| 英文摘要 | We investigate the origin of the X-ray emission in low-luminosity active galactic nuclei (LLAGNs). Yuan and Cui predicted that the X-ray emission should originate from jets rather than an advection-dominated accretion flow (ADAF) when the X-ray luminosity L(X) of the source is below a critical value of L(X,crit) approximate to 10(-6)L(Edd). This prediction implies that the X-ray spectrum in such sources should be fitted by jets rather than ADAFs. Furthermore, below L(X,crit) the correlation between radio (L(R)) and X-ray (L(X)) luminosities and the black hole mass (M)-the so-called fundamental plane of black hole activity-should deviate from the general correlation obtained by Merloni et al. and become steeper. The Merloni et al. correlation is described by logL(R) = 0.6logL(X) + 0.78logM + 7.33, while the predicted correlation is logL(R) = 1.23logL(X) + 0.25logM-13.45. We collect data from the literature to check the validity of these two expectations. We find that among the 16 LLAGNs with good X-ray and radio spectra, 13 are consistent with the Yuan and Cui prediction. For the 22 LLAGNs with L(X) < L(X,crit), the fundamental plane correlation is described by logL(R) 1.22logL(X)+ 0.23logM-12.46, also in excellent agreement with the prediction. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | ADVECTION-DOMINATED ACCRETION ; X-RAY-EMISSION ; XMM-NEWTON OBSERVATIONS ; BROAD-LINE AGNS ; GALACTIC NUCLEI ; RADIO-GALAXIES ; FR-I ; PARTICLE-ACCELERATION ; CHANDRA OBSERVATIONS ; VLBI OBSERVATIONS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000269625000086 |
| 公开日期 | 2015-03-17 |
| 源URL | [http://119.78.226.72//handle/331011/15880]  |
| 专题 | 上海天文台_星系宇宙学重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Res Galaxies & Cosmol, Shanghai Astron Observ, Shanghai 200030, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 3.Observ Carnegie Inst Washington, Pasadena, CA 91101 USA |
| 推荐引用方式 GB/T 7714 | Yuan, Feng,Yu, Zhaolong,Ho, Luis C.. REVISITING THE "FUNDAMENTAL PLANE" OF BLACK HOLE ACTIVITY AT EXTREMELY LOW LUMINOSITIES[J]. ASTROPHYSICAL JOURNAL,2009,703(1):1034-1043. |
| APA | Yuan, Feng,Yu, Zhaolong,&Ho, Luis C..(2009).REVISITING THE "FUNDAMENTAL PLANE" OF BLACK HOLE ACTIVITY AT EXTREMELY LOW LUMINOSITIES.ASTROPHYSICAL JOURNAL,703(1),1034-1043. |
| MLA | Yuan, Feng,et al."REVISITING THE "FUNDAMENTAL PLANE" OF BLACK HOLE ACTIVITY AT EXTREMELY LOW LUMINOSITIES".ASTROPHYSICAL JOURNAL 703.1(2009):1034-1043. |
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来源：上海天文台
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