Speed evolution of fast CME/shocks with SOHO/LASCO, WIND/WAVES, IPS and in-situ WIND data: analysis of kilometric type-II emissions

A. Gonzalez-Esparza; E. Aguilar-Rodriguez

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Speed evolution of fast CME/shocks with SOHO/LASCO, WIND/WAVES, IPS and in-situ WIND data: analysis of kilometric type-II emissions

机译：利用SOHO / LASCO，WIND / WAVES，IPS和原位WIND数据加快CME /电击的快速发展：II型公里排放量的分析

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Fast CME/shocks propagating in the interplanetary medium can generate kilometric Type II (km-TII) radio emissions at the local plasma frequency and/or its harmonic, so these radio emissions provide a means of remotely tracking CME/shocks. We apply a new analysis technique, using the frequency drift of km-TII spectrum obtained by the Thermal Noise Receiver (TNR) of the WIND/WAVES experiment, to infer, at some adequate intervals, the propagation speed of six CME/shocks. We combine these results with previously reported speeds from coronagraph white light and interplanetary scintillation observations, and in-situ measurements, to study the temporal speed evolution of the six events. The speed values obtained by the km-TII analysis are in a reasonable agreement with the speed measurements obtained by other techniques at different heliocentric distance ranges. The combination of all the speed measurements show a gradual deceleration of the CME/shocks as they propagate to 1 AU. This new technique can be useful in studying the evolution of fast CME/shocks when adequate intervals of km-TII emissions are available.

机译：在行星际介质中传播的快速CME /激波可以在本地等离子频率和/或其谐波下产生公里数的II型（km-TII）无线电辐射，因此这些无线电辐射提供了一种远程跟踪CME /激波的方法。我们应用一种新的分析技术，利用WIND / WAVES实验的热噪声接收器（TNR）获得的km-TII频谱的频率漂移，以一定的间隔推断六个CME /震波的传播速度。我们将这些结果与先前报道的日冕仪白光和行星际闪烁观测以及原位测量的速度相结合，以研究这六个事件的时间速度演变。 km-TII分析获得的速度值与其他技术在不同日心距范围内获得的速度测量值在合理范围内一致。所有速度测量值的组合显示CME /震荡传播到1 AU时逐渐减速。当有足够的km-TII排放间隔时，这项新技术可用于研究快速CME /电击的演变。

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《Annales Geophysicae》 |2009年第10期|3957-3966|共10页
作者
A. Gonzalez-Esparza; E. Aguilar-Rodriguez;
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作者单位

Instituto de Geofisica, Universidad Nacional Autonoma de Mexico, Morelia Mich., Mexico;

Instituto de Geofisica, Universidad Nacional Autonoma de Mexico, Morelia Mich., Mexico;

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正文语种 eng
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interplanetary physics (interplanetary shocks); radio science (radio wave propagation); solar physics, astrophysics, and astronomy (radio emissions);

机译：行星际物理学（行星际冲击）;无线电科学（无线电波传播）;太阳物理学;天体物理学和天文学（无线电辐射）;

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专利

1. Speed evolution of fast CME/shocks with SOHO/LASCO, WIND/WAVES, IPS and in-situ WIND data: analysis of kilometric type-II emissions [J] . A.Gonzalez-Esparza, E.Aguilar-Rodriguez Annales Geophysicae . 2009,第10期

机译：利用SOHO / LASCO，WIND / WAVES，IPS和原位WIND数据加快CME /电击的快速发展：II型公里排放量的分析
2. Earthward directed CMEs seen in large-scale coronal magnetic field changes, SOHO LASCO coronagraph and solar wind [J] . Li Y., Mulligan T., Hoeksema JT., Journal of Geophysical Research. Biogeosciences . 2001,第A11期

机译：在大型日冕磁场变化，SOHO LASCO日冕仪和太阳风中看到向地球定向的CME
3. Type-II Kilometric Radio Emission and Interaction of Interplanetary Shock Waves with Magnetic Clouds: Events of January 5-11 and May 12-16, 1997 [J] . K. G. Ivanov Geomagnetism and aeronomy . 2003,第2期

机译：II型千米无线电发射和行星际激波与磁云的相互作用：1997年1月5日至11日和5月12日至16日的事件
4. Wind-embedded shocks in FASTWIND: X-ray emission and K-shell absorption [C] . L. P. Carneiro, J. Puls, J. O. Sundqvist, International Astronomical Union., Symposium . 2017

机译：Fastwind的风嵌入式冲击：X射线发射和K壳体吸收
5. Design and structural analysis of a wind fence used for protecting modular data center from high speed wind. [D] . Baviskar, Nikhil Dilip. 2015

机译：用于保护模块化数据中心免受高速风侵袭的防风罩的设计和结构分析。
6. Numerical data concerning wind farm layout optimization using differential evolution algorithm at different wind speeds [O] . Shafiq-ur-Rehman Massan, Asim Imdad Wagan, Muhammad Mujtaba Shaikh, 2017

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7. Speed evolution of fast CME/shocks with SOHO/LASCO, WIND/WAVES, IPS and in-situ WIND data: analysis of kilometric type-II emissions [O] . Gonzalez-Esparza A., Aguilar-Rodriguez E. 2009

机译：利用SOHO / LASCO，WIND / WAVES，IPS和原位WIND数据加快CME /电击的快速发展：II型公里排放量的分析
8. Deconvolution of the Shock Front Speed Profile into Blast Waves in the Solar Wind [R] . Smart, D. F., Shea, M. A. 1984

机译：将冲击前速度剖面反演为太阳风中的爆炸波

Speed evolution of fast CME/shocks with SOHO/LASCO, WIND/WAVES, IPS and in-situ WIND data: analysis of kilometric type-II emissions

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