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河外射电双源中相对论激波和热斑的计算分析

COMPUTATION AND ANALYSIS FOR RELATIVISTIC SHOCK WAVES AND HOT-SPOT IN EXTRAGALACTIC DOUBLE RADIO SOURCES
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摘要 本文用两种介质以相对论的速度相互碰撞的模式,根据相对论理想流体的激波理论,详细计算了射电子源形成初期的主要参数,包括分离速度和激波传播速度.对热斑从星系内过渡到星系际空间准稳定状态的演化过程作了定性的一般讨论.然后用强激波关系对准稳态子源的有关参数进行了近似计算.所得结果与观测数据大体相符. In this paper, a model colliding each other for two kinds of medium with relativistic relative velocity is applied, and according to theory of Shock Wave for relativistic fluids calculates in detail early main parameters including the separation velocity of components and the velocity of shock fronts when double radio components are formed. The evolutional processes of hot-spot from intragalaxy to intergalaxy are qualitatively discussed. Then parameters for quasisteady state of radio components are approximately computed by means of expressions pertaining to a strong relativistic shock. The results obtained in this text are in accord with observational data mainly.
出处 《Research in Astronomy and Astrophysics》 SCIE CAS 1982年第2期81-90,共10页 天文和天体物理学研究(英文版)
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