Characteristics of the supernova remnant G351.7+0.8 and a distance argument against its association with PSR J1721-3532
文献类型：期刊论文
| 作者 | Tian, W. W.; Haverkorn, M.; Zhang, H. Y. |
| 刊名 | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
 |
| 出版日期 | 2007-07-11 |
| 卷号 | 378期号:4页码:1283-1286 |
| 关键词 | pulsars : individual PSR J1721-3532 supernovae : individual G351.7+0.8 supernova remnants |
| 英文摘要 | New images of the supernova remnant (SNR) G351.7+0.8 are presented based on 21-cm H I-line emission and continuum emission data from the Southern Galactic Plane Survey. SNR G351.7+0.8 has a flux density of 8.4 +/- 0.7 Jy at 1420 MHz. Its spectral index is 0.52 +/- 0.25 (S = v(-alpha)) between 1420 and 843 MHz, typical of adiabatically expanding shell-like remnants. H I observations show structures possibly associated with the SNR in the radial velocity range of -10 to -18 km s(-1), and suggest a distance of 13.2 kpc and a radius of 30.7 pc. The estimated Sedov age for G351.7+0.8 is less than 6.8x10(4) yr. A young radio pulsar PSR J1721-3532 lies close to SNR G351.7+0.8 on the sky. The new distance and age of G351.7+0.8 and recent proper motion measurements of the pulsar strongly argue against an association between SNR G351.7+0.8 and PSR J1721-3532. There is an unidentified, faint X-ray point source 1RXS J172055.3-353937 which is close to G351.7+0.8. This may be a neutron star potentially associated with G351.7+0.8. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000247667900007 |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/7188]  |
| 专题 | 国家天文台_光学天文研究部 |
| 作者单位 | 1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China 2.Univ Calgary, Dept Phys & Astron, Calgary, AB T2N 1N4, Canada 3.Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA |
| 推荐引用方式 GB/T 7714 | Tian, W. W.,Haverkorn, M.,Zhang, H. Y.. Characteristics of the supernova remnant G351.7+0.8 and a distance argument against its association with PSR J1721-3532[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2007,378(4):1283-1286. |
| APA | Tian, W. W.,Haverkorn, M.,&Zhang, H. Y..(2007).Characteristics of the supernova remnant G351.7+0.8 and a distance argument against its association with PSR J1721-3532.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,378(4),1283-1286. |
| MLA | Tian, W. W.,et al."Characteristics of the supernova remnant G351.7+0.8 and a distance argument against its association with PSR J1721-3532".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 378.4(2007):1283-1286. |
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来源：国家天文台
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