QUASAR

作品数：75被引量：56H指数：4
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A broad absorption line outflow associated with the broad emission line region in the quasar SDSS J075133.35+134548.3
《Research in Astronomy and Astrophysics》2021年第3期133-148,共16页Bo Liu Hong-Yan Zhou Xin-Wen Shu Shao-Hua Zhang Tuo Ji Xiang Pan Peng Jiang 
supported by the National Natural Science Foundation of China(NSFC,11573024,11473025,11421303,11573001and 11822301);the National Basic Research Program of China(the 973 Program 2013CB834905and 2015CB857005);supported by the NSFC(11503022);the Natural Science Foundation of Shanghai(No.15ZR 1444200);supported by the NSFC(11233002);support from the Anhui Provincial NSF(1608085QA06);Young Wanjiang Scholar program;funded by the Strategic Priority Research Program;the Emergence of Cosmological Structures(XDB09000000),National Astronomical Observatories,Chinese Academy of Sciences;the Special Fund for Astronomy from the Ministry of Finance;Funding for SDSS-Ⅲhas been provided by the Alfred P.Sloan Foundation;the Participating Institutions;the National Science Foundation;the U.S.Department of Energy Office of Science。
We report on the discovery of unusual broad absorption lines(BALs)in the bright quasar SDSS J075133.35+134548.3 at z~1,using archival and newly obtained optical and NIR spectroscopic data.The BALs are detected reliabl...
关键词：quasars:emission lines quasars:broad absorption line quasars:individual(SDSS J075133.35+134548.3) 
Strong optical and UV intermediate-width emission lines in the quasar SDSS J232444.80–094600.3:dust-free and intermediate-density gas at the skin of dusty torus?
《Research in Astronomy and Astrophysics》2016年第9期107-116,共10页Zhen-Zhen Li Hong-Yan Zhou Lei Hao Shu-Fen Wang Tuo Ji Bo Liu 
supported by the SOC program (CHINARE 2012-02-03);the National Natural Science Foundation of China (NSFC 11473025, 11033007, 11421303, 11503022 and 11473305);the National Basic Research Program of China (the 973 Program 2013CB834905);Strategic Priority Research Program “The Emergence of Cosmological Structures” (XDB 09030200);provided by the Alfred P. Sloan Foundation, Participating Institutions, National Science Foundation, U.S. Department of Energy, NASA, Japanese Monbukagakusho, Max Planck Society,and Higher Education Funding Council for England
Emission lines from the broad emission line region （BELR） and the narrow emission line region （NELR） of active galactic nuclei （AGNs） have been extensively studied. However, emission lines are rarely detected be...
关键词：GALAXIES active -- galaxies nuclei -- quasars emission lines -- individual （SDSSJ2324-0946） 
Periodic radio variability in NRAO 530:phase dispersion minimization analysis被引量：1
《Research in Astronomy and Astrophysics》2012年第6期643-650,共8页Jun-Chao Lu Jun-Yi Wang Tao An Ji-Ming Lin Hong-Bing Qiu 
supported by the National Basic Research Programof China (973 Program,2009CB24900);the Guangxi Natural Science Foundation (0991018Z);the Science and Technology Commission of Shanghai Municipality (06DZ22101);supported by a grant from the Chinese Academy of Sciences;a visitor grant from the The Netherlands Science Foundation;supported by funds from the NSF,NASA,and the University of Michigan
A periodicity analysis of the radio light curves of the blazar NRAO 530 at 14.5, 8.0, and 4.8 GHz is presented employing an improved phase dispersion mini- mization technique. The result, which shows two persistent pe...
关键词：methods： statistical -- galaxies： active -- galaxies： quasar： individual：NRAO 530 
Quasar SDSS J142507.32+323137.4: dual AGNs?
《Research in Astronomy and Astrophysics》2011年第4期411-418,共8页Zhi-Xin Peng Yan-Mei Chen Qiu-Sheng Gu Chen Hu 
supported by the National Natural Science Foundation of China(NSFC; Grant Nos. 10878010, 11003007 and 10633040);the National Basic Research Program(973 program No. 2007CB815405)
We analyze the optical spectrum of type 1 QSO SDSS J1425＋3231. This object is interesting since its narrow emission lines, such as [O Ⅲ]λλ4959, 5007, are double-peaked, and the line structure can be modeled well b...
关键词：galaxie active -- galaxies individual （SDSS J142507.32＋323137.4）-- quasars emission lines 
Evidence for special relativity with de Sitter space-time symmetry
《Chinese Physics C》2011年第3期228-232,共5页闫沐霖 
Supported by NSF (10975128);973 Program of China (2007CB815401)
I show the formulation of de Sitter Special Relativity （dS-SR） based on Dirac-Lu-Zou-Guo’s discussions. dS-SR quantum mechanics is formulated, and the dS-SR Dirac equation for hydrogen is suggested. The equation in...
关键词：special relativity de Sitter spece-time symmetry QUASAR varying fine-structure constant 
The periodicity of 3C 273's radio light curve at 15 GHz found by the wavelet method被引量：3
《Science China(Physics,Mechanics & Astronomy)》2010年第S1期252-255,共4页ZHANG HaoJing1,2,ZHAO Gang1,ZHANG Xiong3 & BAI JinMing4 1 National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China 3 Department of Physics,Yunnan Normal Univeristy,Kunming 650092,China 4 National Astronomical Observatories/Yunnan Observatory,Chinese Academy of Sciences,Kunming 650011,China 
supported by the National Natural Science Foundation of China (Grant Nos. 10821061,10763002,and 10663002);the National Basic Research Program of China (Grant No. 2009CB824800)
We analyze the radio light curve of 3C 273 at 15 GHz from 1963 to 2006 taken from the database of the literature,and find evidence of quasi-periodic activity.Using the wavelet analysis method to analyze these data,our...
关键词：QUASAR object individual(3C 273) RADIO band’s PERIODICITY analysis WAVELET method 
The characteristic periodicity analysis of the radio flux variability of quasar PKS 1510-089被引量：4
《Science China(Physics,Mechanics & Astronomy)》2009年第9期1442-1448,共7页ZHANG HaoJing ZHAO Gang ZHANG Xiong DONG FuTong XIE ZhaoHua YI TingFeng ZHENG YongGang BAO YuYing 
Supported by the National Natural Science Foundation of China (Grant Nos. 10821061, 10763002, and 10663002);the National Basic Research Program of China (Grant No. 2007CB815103);the Natural Science Foundation of Yunnan Province (Grant No. 2008CC011)
A wavelet analysis method is introduced to study the possible periods of PKS 1510-089 in radio bands. By compiling the radio light curve of PKS 1510-089 at frequencies of 22 and 37 GHz from 1990 to 2005, and using the...
关键词：QUASAR object individual (PKS 1510-089) RADIO band’s PERIODICITY ANALYSIS wavelet ANALYSIS RADIO FLUX black hole mass 
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