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The Backgroud Sky Subtraction Around [OIII] Line in LAMOST QSO Spectra
Shi Zhi-xin1,2,3; Comte, Georges2,4; Luo A-li2; Tu Liang-ping5; Zhao Yong-heng2; Wu Fu-chao1
2014-11-01
发表期刊SPECTROSCOPY AND SPECTRAL ANALYSIS
卷号34期号:11页码:3132-3135
文章类型Article
摘要At present, most sky-subtraction methods focus on the full spectrum, not the particular location, especially for the backgroud sky around [OIII] line which is very important to low redshift quasars. A new method to precisely subtract sky lines in local region is proposed in the present paper, which sloves the problem that the width of H beta-[OIII] line is effected by the backgroud sky subtraction. The exprimental results show that, for different redshift quasars, the spectral quality has been significantly improved using our method relative to the original batch program by LAMOST. It provides a complementary solution for the small part of LAMOST spectra which are not well handled by LAMOST 2D pipeline. Meanwhile, This method has been used in searching for candidates of double-peaked Active Galactic Nuclei.
关键词Sky Background Sky Subtraction Fiber Spectroscopic Telescope Quasar
WOS标题词Science & Technology ; Technology
关键词[WOS]TELESCOPE LAMOST ; DATA RELEASE
收录类别SCI
语种英语
WOS研究方向Spectroscopy
WOS类目Spectroscopy
WOS记录号WOS:000344447700050
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/8020
专题模式识别国家重点实验室_机器人视觉
作者单位1.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, Beijing 100012, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Aix Marseille Univ, CNRS, UMR 7326, Inst Pytheas,LAM, F-13388 Marseille, France
5.Univ Sci & Technol, Sch Sci, Anshan 144051, Peoples R China
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Shi Zhi-xin,Comte, Georges,Luo A-li,et al. The Backgroud Sky Subtraction Around [OIII] Line in LAMOST QSO Spectra[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2014,34(11):3132-3135.
APA Shi Zhi-xin,Comte, Georges,Luo A-li,Tu Liang-ping,Zhao Yong-heng,&Wu Fu-chao.(2014).The Backgroud Sky Subtraction Around [OIII] Line in LAMOST QSO Spectra.SPECTROSCOPY AND SPECTRAL ANALYSIS,34(11),3132-3135.
MLA Shi Zhi-xin,et al."The Backgroud Sky Subtraction Around [OIII] Line in LAMOST QSO Spectra".SPECTROSCOPY AND SPECTRAL ANALYSIS 34.11(2014):3132-3135.
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