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| A note on the puzzling spindown behavior of the Galactic center magnetar SGR J1745-2900 | |
Tong, Hao
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| 2015-09-01 | |
| Source Publication | RESEARCH IN ASTRONOMY AND ASTROPHYSICS
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| Volume | 15Issue:9Pages:1467-1474 |
| Contribution Rank | 1 |
| Abstract | SGR J1745-2900 is a magnetar near the Galactic center. X-ray observations of this source found a decreasing X-ray luminosity accompanied by an enhanced spindown rate. This negative correlation between X-ray luminosity and spindown rate is hard to understand. The wind braking model of magnetars is employed to explain this puzzling spindown behavior. During the release of magnetic energy of magnetars, a system of particles may be generated. Some of these particles remain trapped in the magnetosphere and may contribute to the X-ray luminosity. The rest of the particles can flow out and take away the rotational energy of the central neutron star. A smaller polar cap angle will cause the decrease of X-ray luminosity and enhanced spindown rate of SGR J1745-2900. This magnetar is shortly expected to have a maximum spindown rate. |
| Keyword | Pulsars: Individual (Sgr J1745-2900) Stars: Magnetar Stars: Neutron Stars: Winds |
| Subtype | Article |
| DOI | 10.1088/1674-4527/15/9/003 |
| WOS Headings | Science & Technology ; Physical Sciences |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | ISOLATED NEUTRON-STARS ; SOFT GAMMA REPEATERS ; X-RAY-EMISSION ; WIND BRAKING ; SWIFT J1822.3-1606 ; ANTI-GLITCH ; PULSARS ; MAGNETOSPHERES ; PERSISTENT ; EVOLUTION |
| WOS Research Area | Astronomy & Astrophysics |
| WOS Subject | Astronomy & Astrophysics |
| WOS ID | WOS:000360555100003 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/878 |
| Collection | 射电天文研究室_脉冲星研究团组 射电天文研究室 |
| Affiliation | Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China |
| Recommended Citation GB/T 7714 | Tong, Hao. A note on the puzzling spindown behavior of the Galactic center magnetar SGR J1745-2900[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2015,15(9):1467-1474. |
| APA | Tong, Hao.(2015).A note on the puzzling spindown behavior of the Galactic center magnetar SGR J1745-2900.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,15(9),1467-1474. |
| MLA | Tong, Hao."A note on the puzzling spindown behavior of the Galactic center magnetar SGR J1745-2900".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 15.9(2015):1467-1474. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| Tong-2015-A note on （165KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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