The Origin of Matter at the Base of Relativistic Jets in Active Galactic Nuclei

被引：12

作者：

Romero, Gustavo E. ^{[1
,2
,3
]}

Gutierrez, Eduardo ^{[1
]}

机构：

[1] UNLP, CICPBA, CONICET, Inst Argentino Radioastron, CC 5, RA-1894 Villa Elisa, Argentina

[2] Univ Nacl La Plata, Fac Ciencias Astron & Geofis, Paseo Bosque S-N, RA-1900 La Plata, Buenos Aires, Argentina

[3] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina

来源：

UNIVERSE | 2020年 / 6卷 / 07期

关键词：

black holes; jets; magnetic fields; Active Galactic Nuclei; relativistic particles; ADVECTION-DOMINATED ACCRETION; MAGNETIC RECONNECTION; PAIR PRODUCTION; RAY-EMISSION; ENERGY; SIMULATIONS; FLOWS; RADIO; DISK; ACCELERATION;

D O I：

10.3390/universe6070099

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The generation of relativistic jets in active sources such as blazars is a complex problem with many aspects, most of them still not fully understood. Relativistic jets are likely produced by the accretion of matter and magnetic fields onto spinning black holes. Ergospheric dragging effects launch a Poynting-dominated outflow in the polar directions of these systems. Observations with very high resolution of the jet in the nearby radio galaxy M87 and evidence of extremely fast variability in the non-thermal radiation of several other objects indicate that charged particles produce synchrotron emission and gamma rays very close to the base of the jet. How these particles are injected into the magnetically shielded outflow is a mystery. Here we explore the effects of various processes in the hot accretion inflow close to the black hole that might result in the copious production of neutral particles which, through annihilation and decay in the jet's funnel, might load the outflow with mass and charged particles on scales of a few Schwarzschild radii.

引用

页数：23

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