First Adiabatic Invariant and the Brightness Temperature of Relativistic Jets

IF 1.1 4区物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS

Astronomy Letters-A Journal of Astronomy and Space Astrophysics Pub Date : 2023-07-18 DOI:10.1134/S1063773723030015

V. S. Beskin, T. I. Khalilov, V. I. Pariev

引用次数: 0

Abstract

Assuming that the first adiabatic invariant for radiating particles in relativistic jets is conserved, we investigate the change in brightness temperature along the jet axis. We show that in this case the observed break in the dependence of the brightness temperature on the distance to the ‘‘central engine’’ can be explained.

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第一绝热不变量与相对论喷流的亮度温度

假设相对论喷流中辐射粒子的第一绝热不变量是守恒的，我们研究了亮度温度沿喷流轴的变化。我们表明，在这种情况下，可以解释观察到的亮度温度与“中央发动机”距离的依赖性的中断。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Astronomy Letters-A Journal of Astronomy and Space Astrophysics 地学天文-天文与天体物理

CiteScore

1.70

自引率

22.20%

发文量

审稿时长

6-12 weeks

期刊介绍： Astronomy Letters is an international peer reviewed journal that publishes the results of original research on all aspects of modern astronomy and astrophysics including high energy astrophysics, cosmology, space astronomy, theoretical astrophysics, radio astronomy, extragalactic astronomy, stellar astronomy, and investigation of the Solar system.