| Quasar SDSS J142507.32+323137.4: dual AGNs? |
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| 作者单位： | Zhi-Xin Peng,Yan-Mei Chen,Qiu-Sheng Gu(Department of Astronomy, Nanjing University, Nanjing 210093, China;Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University), Ministry of Education, Nanjing 210093, China);Chen Hu(Key Laboratory for Particle Astrophysics, Institute of High Energy Physics, Chinese Academy ofSciences, Beijing 100049, China) |
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| 基金项目： | 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) |
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| 摘 要： | We analyze the optical spectrum of type 1 QSO SDSS J1425+3231.This object is interesting since its narrow emission lines,such as O IIIλλ4959,5007,are double-peaked,and the line structure can be modeled well by three Gaussian components:two components for the two peaks (we refer to the peaks at low/high redshift as the blue/red component) and another one for the line wing which has the same line center as that of the blue component,but is ～ 3 times broader.The separation between the blue and red components i...
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| 关 键 词： | galaxies:active — galaxies:individual (SDSS J142507.32 323137.4) — quasars:emission lines |
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