The Automatic Recognition and Detection of Sky-Subtraction Residual Componentin the Stellar Spectra
文献类型：期刊论文
| 作者 | An Ran1; Pan Jing-chang1; Yi Zhen-ping1; Wei Peng2
|
| 刊名 | SPECTROSCOPY AND SPECTRAL ANALYSIS
 |
| 出版日期 | 2017 |
| 卷号 | 37期号:1页码:273-277 |
| 关键词 | Sky-substraction Sky-residuals detection Spectral normalization LAMOST |
| 英文摘要 | The skylines, superimposing on the target spectrum as a main noise, will reduce the signal-to-noise ratio of the spectrum. If the spectrum still contains a large number of high strength skylight residuals after sky-subtraction processing, it will not be conducive to the follow-up analysis of the target spectrum. At present, the study on the automatic recognition of the abnormal sky-subtraction stellar spectra is limited in number. We can only find the abnormal sky-subtraction spectra by manual inspection, and this will reduce the speed of detection. This paper analyzes the influence factors of sky-subtraction results and finds the characteristics of the abnormal sky-subtraction spectra. A simple and effective method is proposed to automatic recognize the abnormal sky-subtraction stellar spectra which have been processed with the LAMOST Pipeline processing procedure and find the positions of the abnormal skylines. In this method, all the spectra are normalized first; the abnormal skyline is determined by detecting whether there exits any high strength skyline residuals which are similar to the emission line or absorption line. Finally, all the abnormal skyline positions in the spectra are obtained in this method. The experimental results with the LAMOST spectroscopic dataset show that this method can recognize the abnormal sky-subtraction spectra and find the abnormal skyline positions of different residual strength effectively. In addition, the method is simple and has high recognition efficiency, and can be applied to the automatic detection of abnormal sky-subtraction of large number of spectra. |
| WOS标题词 | Science & Technology ; Technology |
| 类目[WOS] | Spectroscopy |
| 研究领域[WOS] | Spectroscopy |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000392359300051 |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/8285]  |
| 专题 | 国家天文台_星系宇宙学研究部 |
| 作者单位 | 1.Shandong Univ, Sch Mech Elect & Informat Engn, Weihai 264209, Weihai, Peoples R China 2.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, Beijing 100012, Peoples R China |
| 推荐引用方式 GB/T 7714 | An Ran,Pan Jing-chang,Yi Zhen-ping,et al. The Automatic Recognition and Detection of Sky-Subtraction Residual Componentin the Stellar Spectra[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2017,37(1):273-277. |
| APA | An Ran,Pan Jing-chang,Yi Zhen-ping,&Wei Peng.(2017).The Automatic Recognition and Detection of Sky-Subtraction Residual Componentin the Stellar Spectra.SPECTROSCOPY AND SPECTRAL ANALYSIS,37(1),273-277. |
| MLA | An Ran,et al."The Automatic Recognition and Detection of Sky-Subtraction Residual Componentin the Stellar Spectra".SPECTROSCOPY AND SPECTRAL ANALYSIS 37.1(2017):273-277. |
入库方式： OAI收割
来源：国家天文台
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