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Discovery of a Radio-loud Narrow-line Seyfert 1 Galaxy at z=0.9 Reddened with a Strong 2175 angstrom Bump
Zhou, Yipeng1,2,3,4; Hao, Lei1,2; Jiang, Peng3,4; Pan, Xiang3,4; Sun, Luming5; Jin, Chichuan2,6; Dai, Xuejie1,3; Liu WJ(刘文娟)7; Ji, Tuo3; Zheng, Zhenya1; Huang, Xiangning1,2; Shi, Xiheng3; Wang, Yibo6; Xiong, Yifei1,2; Yang, Chenwei3
发表期刊ASTROPHYSICAL JOURNAL
2022-12-01
卷号941期号:2
DOI10.3847/1538-4357/aca085
产权排序第7完成单位
收录类别SCI
摘要

We present a broadband spectrophotometric analysis of an unusual quasar, SDSS J160558.86+474300.1, at z = 0.9, found in a systematic search for reddened radio-loud narrow-line Seyfert 1 galaxies (NLS1s). J1605+4743 qualifies for the conventional definition of an NLS1 in its permitted emission line widths and H beta/[O iii] flux ratio. It also shows strong Fe ii emissions. J1605+4743 has a steep radio spectrum. With a radio loudness of similar to 150 (70) before (after) reddening correction, it is among the most radio-loud NLS1s discovered. In addition, the blueshifted emission lines are also found to be weak, suggesting that it can be an exotic wind-dominated Seyfert similar to weak-line quasars, especially the ones with strong reddening. As an extreme hybrid central engine, its environment and host galaxy become rather intriguing. We discover in it a proximate 2175 angstrom absorber with a bump strength similar to the average value of 2175 angstrom absorbers in the Milky Way, which we suspect can be intrinsic to the quasar. In addition, the quasar seems to have enhanced instead of suppressed star formation at a rate of greater than or similar to 94 M (circle dot) yr(-1). The combination of these unusual properties, i.e., the unique extinction, strong Fe ii and [O ii] lines, weak [O iii], Mg ii, and Balmer lines, and large radio loudness, might hold important clues to accretion physics, the formation/destruction of dust grains in the environment of active galactic nuclei, and possibly also the coevolution of supermassive black holes and their host galaxies in general.

资助项目National Natural Science Foundation of China[U1831205] ; National Natural Science Foundation of China[11973037] ; National Natural Science Foundation of China[11903029] ; National Natural Science Foundation of China[11873054] ; Natural Science Foundation of Shanghai[19ZR1462500] ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences[XDA15052100] ; Strategic Priority Research Program, the Emergence of Cosmological Structures[XDB09000000] ; National Astronomical Observatories, Chinese Academy of Sciences ; Special Fund for Astronomy from the Ministry of Finance. Observations
项目资助者National Natural Science Foundation of China[U1831205, 11973037, 11903029, 11873054] ; Natural Science Foundation of Shanghai[19ZR1462500] ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences[XDA15052100] ; Strategic Priority Research Program, the Emergence of Cosmological Structures[XDB09000000] ; National Astronomical Observatories, Chinese Academy of Sciences ; Special Fund for Astronomy from the Ministry of Finance. Observations
语种英语
学科领域天文学 ; 星系与宇宙学
学科门类理学 ; 理学::天文学
文章类型Article
出版者IOP Publishing Ltd
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS记录号WOS:000898952200001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; BLACK-HOLE MASSES ; DIGITAL SKY SURVEY ; INTERSTELLAR EXTINCTION ; SIZE DISTRIBUTION ; ABSORPTION-LINES ; 1ST SURVEY ; EMISSION ; QUASARS ; DUST
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.ynao.ac.cn/handle/114a53/25695
专题南方基地
通讯作者Hao, Lei; Jiang, Peng
作者单位1.Key Laboratory for Research in Galaxies and Cosmology of Chinese Academy of Sciences, Shanghai Astronomical Observatory, 80 Nandan Road, Shanghai 200030, People Republic of China; haol@shao.ac.cn;
2.School of Astronomy and Space Sciences, University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, People's Republic of China;
3.Polar Research Institute of China, 451 Jinqiao Road, Pudong, Shanghai 200136, People's Republic of China; jiangpeng@pric.org.cn;
4.Center for Space Physics and Astronomy, Key Laboratory for Polar Science of the State Oceanic Administration, Polar Research Institute of China, Shanghai 200136, People's Republic of China;
5.Department of Physics, Anhui Normal University, Wuhu, Anhui, 241002, People's Republic of China;
6.National Astronomical Observatories, Chinese Academy of Sciences, 20A Datun Road, Beijing 100101, People's Republic of China;
7.Yunnan Observatories, Chinese Academy of Sciences, Kunming, Yunnan 650011, People's Republic of China
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GB/T 7714
Zhou, Yipeng,Hao, Lei,Jiang, Peng,et al. Discovery of a Radio-loud Narrow-line Seyfert 1 Galaxy at z=0.9 Reddened with a Strong 2175 angstrom Bump[J]. ASTROPHYSICAL JOURNAL,2022,941(2).
APA Zhou, Yipeng.,Hao, Lei.,Jiang, Peng.,Pan, Xiang.,Sun, Luming.,...&Yang, Chenwei.(2022).Discovery of a Radio-loud Narrow-line Seyfert 1 Galaxy at z=0.9 Reddened with a Strong 2175 angstrom Bump.ASTROPHYSICAL JOURNAL,941(2).
MLA Zhou, Yipeng,et al."Discovery of a Radio-loud Narrow-line Seyfert 1 Galaxy at z=0.9 Reddened with a Strong 2175 angstrom Bump".ASTROPHYSICAL JOURNAL 941.2(2022).
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