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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
Source PublicationSPECTROSCOPY AND SPECTRAL ANALYSIS
2014-11-01
Volume34Issue:11Pages:3132-3135
SubtypeArticle
AbstractAt 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.
KeywordSky Background Sky Subtraction Fiber Spectroscopic Telescope Quasar
WOS HeadingsScience & Technology ; Technology
WOS KeywordTELESCOPE LAMOST ; DATA RELEASE
Indexed BySCI
Language英语
WOS Research AreaSpectroscopy
WOS SubjectSpectroscopy
WOS IDWOS:000344447700050
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/8020
Collection模式识别国家重点实验室_机器人视觉
Affiliation1.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
Recommended Citation
GB/T 7714
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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