THE RADIO PROPERTIES AND MAGNETIC FIELD CONFIGURATION IN THE CRAB-LIKE PULSAR WIND NEBULA G54.1+0.3
Lang, CC; Wang, QD; Lu FJ(卢方军); Lu, FJ; Clubb, KI
刊名ASTROPHYSICAL JOURNAL
2010
卷号709期号:2页码:1125-1137
关键词ISM: individual objects (G54.1+0.3) ISM: supernova remnants
学科分类Astronomy & Astrophysics
DOI10.1088/0004-637X/709/2/1125
通讯作者[Lang, Cornelia C. ; Clubb, Kelsey I.] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA ; [Wang, Q. Daniel ; Lu, Fangjun] Univ Massachusetts, Dept Astron, Amherst, MA 01002 USA ; [Lu, Fangjun] Chinese Acad Sci, Key Lab Particle Astrophys, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
英文摘要We present a multifrequency radio investigation of the Crab-like pulsar wind nebula (PWN) G54.1+0.3 using the Very Large Array. The high resolution of the observations reveals that G54.1+0.3 has a complex radio structure which includes filamentary and loop-like structures that are magnetized, a diffuse extent similar to the associated diffuse X-ray emission. But the radio and X-ray structures in the central region differ strikingly, indicating that they trace very different forms of particle injection from the pulsar and/or particle acceleration in the nebula. No spectral index gradient is detected in the radio emission across the PWN, whereas the X-ray emission softens outward in the nebula. The extensive radio polarization allows us to image in detail the intrinsic magnetic field, which is well-ordered and reveals that a number of loop-like filaments are strongly magnetized. In addition, we determine that there are both radial and toroidal components to the magnetic field structure of the PWN. Strong mid-infrared (IR) emission detected in Spitzer Space Telescope data is closely correlated with the radio emission arising from the southern edge of G54.1+0.3. In particular, the distributions of radio and X-ray emission compared with the mid-IR emission suggest that the PWN may be interacting with this interstellar cloud. This may be the first PWN where we are directly detecting its interplay with an interstellar cloud that has survived the impact of the supernova explosion associated with the pulsar's progenitor.
类目[WOS]Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
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语种英语
WOS记录号WOS:000273579800044
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被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239087
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
作者单位中国科学院高能物理研究所
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Lang, CC,Wang, QD,Lu FJ,et al. THE RADIO PROPERTIES AND MAGNETIC FIELD CONFIGURATION IN THE CRAB-LIKE PULSAR WIND NEBULA G54.1+0.3[J]. ASTROPHYSICAL JOURNAL,2010,709(2):1125-1137.
APA Lang, CC,Wang, QD,卢方军,Lu, FJ,&Clubb, KI.(2010).THE RADIO PROPERTIES AND MAGNETIC FIELD CONFIGURATION IN THE CRAB-LIKE PULSAR WIND NEBULA G54.1+0.3.ASTROPHYSICAL JOURNAL,709(2),1125-1137.
MLA Lang, CC,et al."THE RADIO PROPERTIES AND MAGNETIC FIELD CONFIGURATION IN THE CRAB-LIKE PULSAR WIND NEBULA G54.1+0.3".ASTROPHYSICAL JOURNAL 709.2(2010):1125-1137.
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