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SUPERMASSIVE BLACK HOLES WITH HIGH ACCRETION RATES IN ACTIVE GALACTIC NUCLEI. V. A NEW SIZE-LUMINOSITY SCALING RELATION FOR THE BROAD-LINE REGION
SEAMBH Collaboration
2016
发表期刊ASTROPHYSICAL JOURNAL
卷号825期号:2
文章类型Article
摘要This paper reports results of the third-year campaign of monitoring super-Eddington accreting massive black holes (SEAMBHs) in active galactic nuclei (AGNs) between 2014 and 2015. Ten new targets were selected from the quasar sample of the Sloan Digital Sky Survey (SDSS), which have generally been more luminous than the SEAMBH candidates in the last two years. H beta lags (tau(H beta)) in five of the 10 quasars have been successfully measured in this monitoring season. We find that the lags are generally shorter, by large factors, than those of objects with same optical luminosity, in light of the well-known R-H beta-L-5100 relation. The five quasars have dimensionless accretion rates of (M) over dot = 10-10(3). Combining these with measurements of the previous SEAMBHs, we find that the reduction of H beta lags depends tightly on accretion rates, tau(H beta)/tau(R-L)(M) over dot(-0.42), where tau(R-L) is the H beta lag from the normal R-H beta-L-5100 relation. Fitting 63 mapped AGNs, we present a new scaling relation for the broad-line region: R-H beta = alpha(1)l(44)(beta 1) min [1, ((M) over dot/(M) over dot(c))(-gamma 1)], where l(44) = L-5100/10(44) erg s(-1) is the 5100 angstrom continuum luminosity, and the coefficients are alpha(1) = 29.6(-2.8)(+2.7) lt-day, beta(1) = 0.56(-0.03)(+0.03), gamma(1) = 0.52(-0.16)(+0.33), and (M) over dot(c) = 11.19(-6.22)(+2.29). This relation is applicable to AGNs over a wide range of accretion rates, from 10(-3) to 10(3). Implications of this new relation are briefly discussed.
关键词accretion, accretion disks galaxies: active galaxies: nuclei
DOI10.3847/0004-637X/825/2/126
关键词[WOS]SEYFERT 1 GALAXIES ; AGN MONITORING PROJECT ; QUASI-STELLAR OBJECTS ; SUPER-EDDINGTON ACCRETION ; REVERBERATION MAPPING DATA ; SELF-SIMILAR SOLUTION ; FE II REVERBERATION ; X-RAY VARIABILITY ; H-BETA ; RADIUS-LUMINOSITY
语种英语
WOS记录号WOS:000381940800044
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260790
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
SEAMBH Collaboration. SUPERMASSIVE BLACK HOLES WITH HIGH ACCRETION RATES IN ACTIVE GALACTIC NUCLEI. V. A NEW SIZE-LUMINOSITY SCALING RELATION FOR THE BROAD-LINE REGION[J]. ASTROPHYSICAL JOURNAL,2016,825(2).
APA SEAMBH Collaboration.(2016).SUPERMASSIVE BLACK HOLES WITH HIGH ACCRETION RATES IN ACTIVE GALACTIC NUCLEI. V. A NEW SIZE-LUMINOSITY SCALING RELATION FOR THE BROAD-LINE REGION.ASTROPHYSICAL JOURNAL,825(2).
MLA SEAMBH Collaboration."SUPERMASSIVE BLACK HOLES WITH HIGH ACCRETION RATES IN ACTIVE GALACTIC NUCLEI. V. A NEW SIZE-LUMINOSITY SCALING RELATION FOR THE BROAD-LINE REGION".ASTROPHYSICAL JOURNAL 825.2(2016).
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