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Observations of the supernova remnant G54.1+0.3: X-ray spectrum and evidence for an X-ray jet
Lu FJ(卢方军); Lu, FJ; Aschenbach, B; Song, LM; Song LM(宋黎明)
2001
发表期刊ASTRONOMY & ASTROPHYSICS
卷号370期号:2页码:570-575
通讯作者Max Planck Inst Extraterr Phys, D-85748 Garching, Germany ; Acad Sinica, Inst High Energy Phys, Lab Cosm Ray & High Energy Astrophys, Beijing 100039, Peoples R China
文章类型Article
摘要We present analyses of the ROSAT PSPC and the ASCA SIS and GIS observations of the Crab-like supernova remnant (SNR) G54.1+0.3. The spectrum is best fitted by a power law model with a photon index of -1.9(-0.2)(+0.2), absorbed energy flux of 6.8 10(-12) erg cm(-2) s(-1) in the 0.7-10 keV band, and a column density of 17.9(-2.5)(+2.8) 10(21) cm(-2). The high absorption column density indicates a distance close to the radius of the galaxy. The 0.7-10.0 keV X-ray luminosity of G54.1+0.3 is 1.4 10(35)d(10)(2), erg s(-1) where d(10) is the distance in 10 kpc. With an image restoration method, we have deconvolved the X-ray image of the remnant. There is evidence for an X-ray jet pointing to the north-east with a length of about 40 " measured from the center of the nebula. Its X-ray luminosity in the 0.1-2.4 keV range is about 2.1 10(34)d(10)(2) erg s(-1). The X-ray jet is consistent with the radio extension of G54.1+0.3 to the north-east in both direction and position.
关键词X-ray : ISM ISM : supernova remnants ISM : jet and outflows ISM : individual : G54.1+0.3
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000168611400028
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被引频次:17[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/311005/237990
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Lu FJ,Lu, FJ,Aschenbach, B,et al. Observations of the supernova remnant G54.1+0.3: X-ray spectrum and evidence for an X-ray jet[J]. ASTRONOMY & ASTROPHYSICS,2001,370(2):570-575.
APA 卢方军,Lu, FJ,Aschenbach, B,Song, LM,&宋黎明.(2001).Observations of the supernova remnant G54.1+0.3: X-ray spectrum and evidence for an X-ray jet.ASTRONOMY & ASTROPHYSICS,370(2),570-575.
MLA 卢方军,et al."Observations of the supernova remnant G54.1+0.3: X-ray spectrum and evidence for an X-ray jet".ASTRONOMY & ASTROPHYSICS 370.2(2001):570-575.
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