Infrared imaging solar spectrograph at Purple Mountain Observatory
文献类型：期刊论文
| 作者 | Li, H ; Fan, ZY; You, JQ
|
| 刊名 | SOLAR PHYSICS
 |
| 出版日期 | 1999-03-01 |
| 卷号 | 185期号:1页码:69-76 |
| 关键词 | FLARE SPECTROSCOPY INSTRUMENT RESOLUTION LINE |
| 英文摘要 | Since 1986, we have made some improvements to the multichannel solar spectrograph at Purple Mountain Observatory (PMO) step by step, and now we have developed and added to it a multichannel infrared imaging solar spectrograph. The original spectrograph can be used to observe simultaneously solar activity at 9 wave bands including Ca II H and K line, Mg I b line, He I D-3 line and H alpha through H-infinity. The newly developed infrared imaging spectrograph can work in three wavelengths, i.e., He I 10830 Angstrom, Ca II 8542 Angstrom, and H alpha. We replaced plates in the original system with CCDs and placed an image reducer before each CCD in order to match the CCD pixel size. The dispersions for He I 10830 Angstrom, Carr 8542 Angstrom, and H alpha of the new imaging solar spectrograph are 0.0693 Angstrom, 0.0767 Angstrom, and 0.0754 Angstrom per CCD pixel respectively, and each vertical CCD pixel represents 0.34 are sec of solar disk. We can obtain the line-center and off-band intensities of the three lines and the intensities of continua adjacent to these lines through the new instrument. We can also acquire velocity maps and line profiles. Therefore, it is specially suitable for two-dimensional (2D) spectroscopic observations of solar flares and active regions. We carry out scanning observation by rotating the second mirror of the coelostat system. In this paper, we introduce the improvements we made and the new imaging solar spectrograph. Some observation results are also presented in this article. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | FLARE ; SPECTROSCOPY ; INSTRUMENT ; RESOLUTION ; LINE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000079991800006 |
| 公开日期 | 2013-02-01 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/8309]  |
| 专题 | 紫金山天文台_太阳高能及相关物理过程研究团组 |
| 作者单位 | Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, H,Fan, ZY,You, JQ. Infrared imaging solar spectrograph at Purple Mountain Observatory[J]. SOLAR PHYSICS,1999,185(1):69-76. |
| APA | Li, H,Fan, ZY,&You, JQ.(1999).Infrared imaging solar spectrograph at Purple Mountain Observatory.SOLAR PHYSICS,185(1),69-76. |
| MLA | Li, H,et al."Infrared imaging solar spectrograph at Purple Mountain Observatory".SOLAR PHYSICS 185.1(1999):69-76. |
入库方式： OAI收割
来源：紫金山天文台
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