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RELATIVISTIC JET PROPERTIES OF GeV-TeV BLAZARS AND POSSIBLE IMPLICATIONS FOR THE JET FORMATION, COMPOSITION, AND CAVITY KINEMATICS
Zhang, J; Sun, XN; Liang, EW; Lu, RJ; Lu, Y; Zhang, SN;张双南
2014
发表期刊ASTROPHYSICAL JOURNAL
卷号788期号:2页码:104
摘要We fit the spectral energy distributions of a GeV-TeV flat spectrum radio quasar (FSRQ) sample with the leptonic model. Their gamma min of the relativistic electron distributions, which significantly affect the estimate of the jet properties, are constrained, with a typical value of similar to 48. Their jet power, magnetized parameter, radiation efficiency, and jet production and radiation rates per central black hole (BH) mass are derived and compared with those of BL Lacertae (BL Lac) objects. We show that the FSRQ jets may be dominated by the Poynting flux and have a high radiation efficiency, whereas the BL Lac object jets are likely dominated by particles and have a lower radiation efficiency than FSRQs. Being different from BL Lac objects, the jet powers of FSRQs are proportional to their central BH masses. The jet production and radiation rates of the FSRQs distribute in narrow ranges and are correlated with each other, whereas no similar feature is found for the BL Lac objects. We also show that the jet power is correlated with the cavity kinetic power: the magnetic field energy in the jets may provide the cavity kinetic energy of FSRQs, and the kinetic energy of cold protons in the jets may be crucial for the cavity kinetic energy of BL Lac objects. We suggest that the dominating formation mechanism of FSRQ jets may be the Blandford-Znajek process, but BL Lac object jets may be produced via the Blandford-Payne and/ or Blandford-Znajek processes, depending on the structures and accretion rates of accretion disks.
关键词BL Lacertae objects: general galaxies: jets quasars: general radiation mechanisms: non-thermal
学科领域Astronomy & Astrophysics
DOI10.1088/0004-637X/788/2/104
收录类别SCI
WOS记录号WOS:000337466200007
引用统计
被引频次:26[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/311005/224846
专题粒子天体物理中心
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Zhang, J,Sun, XN,Liang, EW,et al. RELATIVISTIC JET PROPERTIES OF GeV-TeV BLAZARS AND POSSIBLE IMPLICATIONS FOR THE JET FORMATION, COMPOSITION, AND CAVITY KINEMATICS[J]. ASTROPHYSICAL JOURNAL,2014,788(2):104.
APA Zhang, J,Sun, XN,Liang, EW,Lu, RJ,Lu, Y,&Zhang, SN;张双南.(2014).RELATIVISTIC JET PROPERTIES OF GeV-TeV BLAZARS AND POSSIBLE IMPLICATIONS FOR THE JET FORMATION, COMPOSITION, AND CAVITY KINEMATICS.ASTROPHYSICAL JOURNAL,788(2),104.
MLA Zhang, J,et al."RELATIVISTIC JET PROPERTIES OF GeV-TeV BLAZARS AND POSSIBLE IMPLICATIONS FOR THE JET FORMATION, COMPOSITION, AND CAVITY KINEMATICS".ASTROPHYSICAL JOURNAL 788.2(2014):104.
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