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Super-Eddington Accreting Massive Black Holes as Long-Lived Cosmological Standards
Wang JM(王建民); Du P(杜璞); Wang, JM; Du, P; Valls-Gabaud, D; Hu, C; Netzer, H;胡晨
2013
发表期刊PHYSICAL REVIEW LETTERS
卷号110期号:8页码:81301
摘要Super-Eddington accreting massive black holes (SEAMBHs) reach saturated luminosities above a certain accretion rate due to photon trapping and advection in slim accretion disks. We show that these SEAMBHs could provide a new tool for estimating cosmological distances if they are properly identified by hard x-ray observations, in particular by the slope of their 2-10 keV continuum. To verify this idea we obtained black hole mass estimates and x-ray data for a sample of 60 narrow line Seyfert 1 galaxies that we consider to be the most promising SEAMBH candidates. We demonstrate that the distances derived by the new method for the objects in the sample get closer to the standard luminosity distances as the hard x-ray continuum gets steeper. The results allow us to analyze the requirements for using the method in future samples of active black holes and to demonstrate that the expected uncertainty, given large enough samples, can make them into a useful, new cosmological ruler. DOI: 10.1103/PhysRevLett.110.081301
学科领域Physics
DOI10.1103/PhysRevLett.110.081301
收录类别SCI
WOS记录号WOS:000315141300002
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被引频次:34[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/311005/224595
专题粒子天体物理中心
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Wang JM,Du P,Wang, JM,et al. Super-Eddington Accreting Massive Black Holes as Long-Lived Cosmological Standards[J]. PHYSICAL REVIEW LETTERS,2013,110(8):81301.
APA 王建民.,杜璞.,Wang, JM.,Du, P.,Valls-Gabaud, D.,...&Netzer, H;胡晨.(2013).Super-Eddington Accreting Massive Black Holes as Long-Lived Cosmological Standards.PHYSICAL REVIEW LETTERS,110(8),81301.
MLA 王建民,et al."Super-Eddington Accreting Massive Black Holes as Long-Lived Cosmological Standards".PHYSICAL REVIEW LETTERS 110.8(2013):81301.
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