中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
A Quasar Shedding Its Dust Cocoon at Redshift 2

文献类型:期刊论文

作者Yi WM(易卫敏)10,11,12; Brandt, W. N.8,9,11; Ni, Q.11; Ho, Luis C.6,7; Luo, Bin5; Yan, Wei11; Schneider, D. P.9,11; Paul, Jeremiah D.4; Plotkin, Richard M.4; Yang, Jinyi3
刊名ASTROPHYSICAL JOURNAL
出版日期2022-05-01
卷号930期号:1
ISSN号0004-637X
DOI10.3847/1538-4357/ac6109
产权排序第1完成单位
文献子类Article
英文摘要

We present the first near-IR spectroscopy and joint analyses of multiwavelength observations for SDSS J082747.14+425241.1, a dust-reddened, weak broad emission-line quasar (WLQ) undergoing a remarkable broad-absorption line (BAL) transformation. The systemic redshift is more precisely measured to be z = 2.070 +/- 0.001 using H beta compared to z = 2.040 +/- 0.003 using Mg ii from the literature, signifying an extreme Mg ii blueshift of 2140 +/- 530 km s(-1) relative to H beta. Using the H beta-based single-epoch scaling relation with a systematic uncertainty of 0.3 dex, its black hole (BH) mass and Eddington ratio are estimated to be M (BH) similar to 6.1 x 10(8) M (circle dot) and lambda (Edd) similar to 0.71, indicative of being in a rapidly accreting phase. Our investigations confirm the WLQ nature and the LoBAL -> HiBAL transformation, along with a factor of 2 increase in the Mg ii+Fe ii emission strength and a decrease of 0.1 in E(B - V) over two decades. The kinetic power of this LoBAL wind at R similar to 15 pc from its BH is estimated to be similar to 43% of the Eddington luminosity, sufficient for quasar feedback upon its host galaxy albeit with an order-of-magnitude uncertainty. This quasar provides a clear example of the long-sought scenario where LoBAL quasars are surrounded by dust cocoons, and wide-angle nuclear winds play a key role in the transition of red quasars evolving into the commonly seen blue quasars.

学科主题天文学 ; 星系与宇宙学
URL标识查看原文
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
WOS关键词BROAD ABSORPTION-LINE ; DIGITAL SKY SURVEY ; O III EMISSION ; REDDENED QUASARS ; LARGE-SAMPLE ; H-ALPHA ; WINDS ; RED ; SPECTROSCOPY ; FEEDBACK
资助项目NSFNational Science Foundation (NSF)[AST-2106990] ; NSFNational Science Foundation (NSF)[GO0-21080X] ; V.M. Willaman Endowment at Penn State ; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11703076] ; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11721303] ; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11991052] ; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11991053] ; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11991051] ; West Light Foundation of The Chinese Academy of SciencesChinese Academy of Sciences[Y6XB016001] ; China Manned Space Project[CMS-CSST-2021-A06] ; Gemini Observatory (PI: Yi)[GN-2018B-FT-214] ; Gemini Observatory (PI: Yi)[GN-2020A-FT-203] ; National Astronomical Observatories of China ; Chinese Academy of Sciences (the Strategic Priority Research Program The Emergence of Cosmological Structures)[XDB09000000] ; Ministry of Finance ; University of Texas at Austin McDonald Observatory and Department of Astronomy ; Pennsylvania State University ; Alfred P. Sloan FoundationAlfred P. Sloan Foundation ; National Science FoundationNational Science Foundation (NSF) ; US Department of Energy Office of ScienceUnited States Department of Energy (DOE)
WOS研究方向Astronomy & Astrophysics
语种英语
出版者IOP Publishing Ltd
WOS记录号WOS:000788780500001
资助机构NSFNational Science Foundation (NSF)[AST-2106990, GO0-21080X] ; V.M. Willaman Endowment at Penn State ; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11703076, 11721303, 11991052, 11991053, 11991051] ; West Light Foundation of The Chinese Academy of SciencesChinese Academy of Sciences[Y6XB016001] ; China Manned Space Project[CMS-CSST-2021-A06] ; Gemini Observatory (PI: Yi)[GN-2018B-FT-214, GN-2020A-FT-203] ; National Astronomical Observatories of China ; Chinese Academy of Sciences (the Strategic Priority Research Program The Emergence of Cosmological Structures)[XDB09000000] ; Ministry of Finance ; University of Texas at Austin McDonald Observatory and Department of Astronomy ; Pennsylvania State University ; Alfred P. Sloan FoundationAlfred P. Sloan Foundation ; National Science FoundationNational Science Foundation (NSF) ; US Department of Energy Office of ScienceUnited States Department of Energy (DOE)
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/25082]  
专题云南天文台_丽江天文观测站(南方基地)
云南天文台_中国科学院天体结构与演化重点实验室
通讯作者Yi WM(易卫敏)
作者单位1.School of Physics & Astronomy, Sun Yat-Sen University, Zhuhai 519000, People's Republic of China
2.CAS Key Laboratory for Research in Galaxies and Cosmology, Department of Astronomy, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China;
3.Steward Observatory, University of Arizona, Tucson, AZ 85721-0065, USA;
4.Department of Physics, University of Nevada, Reno, NV 89557, USA;
5.School of Astronomy and Space Science, Nanjing University, Nanjing, Jiangsu 210093, People's Republic of China;
6.Department of Astronomy, Peking University, Yi He Yuan Lu 5, Hai Dian District, Beijing 100871, People's Republic of China;
7.Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing 100871, People's Republic of China;
8.Department of Physics, 104 Davey Laboratory, The Pennsylvania State University, University Park, PA 16802, USA;
9.Institute for Gravitation and the Cosmos, The Pennsylvania State University, University Park, PA 16802, USA;
10.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, People's Republic of China;
推荐引用方式
GB/T 7714
Yi WM,Brandt, W. N.,Ni, Q.,et al. A Quasar Shedding Its Dust Cocoon at Redshift 2[J]. ASTROPHYSICAL JOURNAL,2022,930(1).
APA Yi WM.,Brandt, W. N..,Ni, Q..,Ho, Luis C..,Luo, Bin.,...&Bai JM.(2022).A Quasar Shedding Its Dust Cocoon at Redshift 2.ASTROPHYSICAL JOURNAL,930(1).
MLA Yi WM,et al."A Quasar Shedding Its Dust Cocoon at Redshift 2".ASTROPHYSICAL JOURNAL 930.1(2022).

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来源:云南天文台

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