Fermi Observation of the Jets of the Microquasar SS 433
文献类型：期刊论文
| 作者 | Xing,Yi1; Wang,Zhongxiang1; Zhang,Xiao2; Chen,Yang2,4; Jithesh,V.3 |
| 刊名 | The Astrophysical Journal
 |
| 出版日期 | 2019-02-07 |
| 卷号 | 872期号:1 |
| 关键词 | ISM: supernova remnants stars: individual (SS 433) stars: jets |
| ISSN号 | 0004-637X |
| DOI | 10.3847/1538-4357/aafc60 |
| 英文摘要 | Abstract We report our analysis of the data obtained with the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope (Fermi) for the SS 433/W50 region. The total data length is ten years. Different from the previous results reported for this region (for which an old version of database was used), we show that excess emission is detected around the w1 region in the western lobe of the jets from SS 433. The region is bright at X-rays due to the interaction between the jet and the ambient medium. This detection also matches well the recent results of the very-high-energy detection of SS 433/W50 with the High Altitude Water Cherenkov (HAWC). However, the eastern regions that are slightly brighter in HAWC’s observation are not detected in the Fermi data. Constructing the broadband spectral energy distribution for the western region, we compare with the HAWC results for the eastern regions and discuss the possible origin of the emission. A leptonic scenario can provide a fit to the Fermi GeV spectrum and HAWC TeV detection, where the former and latter are due to the synchrotron radiation and inverse-Compton process respectively. However, the model cannot explain the X-ray and radio emission from the region simultaneously, which thus requires further observational and theoretical studies of the region in order to clarify the reasons. |
| 语种 | 英语 |
| WOS记录号 | IOP:0004-637X-872-1-AAFC60 |
| 出版者 | The American Astronomical Society |
| 源URL | [http://119.78.226.72/handle/331011/31935]  |
| 专题 | 中国科学院上海天文台 |
| 作者单位 | 1.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, People's Republic of China 2.School of Astronomy & Space Science, Nanjing University, 163 Xinlin Avenue, Nanjing?210023, People's Republic of China 3.Inter-University Centre for Astronomy and Astrophysics, Pune 411 007, India 4.Key Laboratory of Modern Astronomy and Astrophysics, Nanjing University, Ministry of Education, People's Republic of China |
| 推荐引用方式 GB/T 7714 | Xing,Yi,Wang,Zhongxiang,Zhang,Xiao,et al. Fermi Observation of the Jets of the Microquasar SS 433[J]. The Astrophysical Journal,2019,872(1). |
| APA | Xing,Yi,Wang,Zhongxiang,Zhang,Xiao,Chen,Yang,&Jithesh,V..(2019).Fermi Observation of the Jets of the Microquasar SS 433.The Astrophysical Journal,872(1). |
| MLA | Xing,Yi,et al."Fermi Observation of the Jets of the Microquasar SS 433".The Astrophysical Journal 872.1(2019). |
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来源：上海天文台
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