FERMI LARGE AREA TELESCOPE DETECTION OF SUPERNOVA REMNANT RCW 86
袁强;Yuan, Q; Huang, XY; Liu, SM; Zhang, B
刊名ASTROPHYSICAL JOURNAL LETTERS
2014
卷号785期号:2页码:L22
关键词cosmic rays gamma rays: ISM ISM: supernova remnants radiation mechanisms: non-thermal
学科分类Astronomy & Astrophysics
DOI10.1088/2041-8205/785/2/L22
英文摘要Using 5.4 yr Fermi Large Area Telescope data, we report the detection of GeV. gamma- ray emission from the shell-type supernova remnant RCW 86 (G315.4-2.3) with a significance of similar to 5.1 sigma. The data slightly favors an extended emission of this supernova remnant. The spectral index of RCW 86 is found to be very hard, Gamma similar to 1.4, in the 0.4-300 GeV range. A one-zone leptonic model can well fit the multi-wavelength data from radio to very high energy gamma-rays. The very hard GeV gamma-ray spectrum and the inferred low gas density seem to disfavor a hadronic origin for the gamma-rays. The. - ray behavior of RCW 86 is very similar to several other TeV shell-type supernova remnants, e. g., RX J1713.7- 3946, RX J0852.0-4622, SN 1006, and HESS J1731-347.
收录类别SCI
WOS记录号WOS:000334359800003
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被引频次:18[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/311005/224851
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
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袁强;Yuan, Q,Huang, XY,Liu, SM,et al. FERMI LARGE AREA TELESCOPE DETECTION OF SUPERNOVA REMNANT RCW 86[J]. ASTROPHYSICAL JOURNAL LETTERS,2014,785(2):L22.
APA 袁强;Yuan, Q,Huang, XY,Liu, SM,&Zhang, B.(2014).FERMI LARGE AREA TELESCOPE DETECTION OF SUPERNOVA REMNANT RCW 86.ASTROPHYSICAL JOURNAL LETTERS,785(2),L22.
MLA 袁强;Yuan, Q,et al."FERMI LARGE AREA TELESCOPE DETECTION OF SUPERNOVA REMNANT RCW 86".ASTROPHYSICAL JOURNAL LETTERS 785.2(2014):L22.
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