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THE DIAGNOSTICS AND POSSIBLE EVOLUTION IN ACTIVE GALACTIC NUCLEI ASSOCIATED WITH STARBURST GALAXIES
Wu, Yu-Zhong1,2; Zhao, Yong-Heng1; Meng, Xian-Min
2011-08-01
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
Volume195Issue:2
AbstractWe present a large sample which contains 45 Seyfert 1 galaxies (Sy1s), 46 hidden broad-line region (HBLR) Seyfert 2 galaxies (Sy2s), 57 non-HBLR Sy2s, and 22 starburst galaxies to distinguish their properties and to seek the possible evolution of active galactic nuclei and starburst galaxies. We show that (1) using a plot of [O III] lambda 5007/H alpha versus [NII] lambda 6584/H alpha of standard optical spectral diagnostic diagrams, it is found that an equation can separate non-HBLR Sy2s and HBLR Sy2s well; (2) the emission-line ratios and both the combination of the ratios and polycyclic aromatic hydrocarbon strength are utilized effectively to separate starburst galaxies and Seyfert galaxies; (3) by comparing a number of quantities from the data, we confirm well the separations with statistics; (4) on the basis of statistics, we suggest that HBLR Sy2s may be the counterparts of Sy1s at edge-on orientation. In addition, we discuss the possibility of starburst galaxies evolving to non-HBLR Sy2s and HBLR Sy2s and then evolving to Sy1s based on the statistical analysis.
KeywordGalaxies: Abundances Galaxies: Interactions Galaxies: Seyfert Galaxies: Starburst
DOI10.1088/0067-0049/195/2/17
Indexed BySCI
Language英语
WOS IDWOS:000294773000006
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8088
Collection光学天文研究部
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wu, Yu-Zhong,Zhao, Yong-Heng,Meng, Xian-Min. THE DIAGNOSTICS AND POSSIBLE EVOLUTION IN ACTIVE GALACTIC NUCLEI ASSOCIATED WITH STARBURST GALAXIES[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2011,195(2).
APA Wu, Yu-Zhong,Zhao, Yong-Heng,&Meng, Xian-Min.(2011).THE DIAGNOSTICS AND POSSIBLE EVOLUTION IN ACTIVE GALACTIC NUCLEI ASSOCIATED WITH STARBURST GALAXIES.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,195(2).
MLA Wu, Yu-Zhong,et al."THE DIAGNOSTICS AND POSSIBLE EVOLUTION IN ACTIVE GALACTIC NUCLEI ASSOCIATED WITH STARBURST GALAXIES".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 195.2(2011).
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