[IGPP Everyone] TOMORROW: Space Physics Seminar, Friday Feb. 27th: Planetary Radio Emissions, and their potential use as Planetary Space Weather Probes (B. Cecconi, Obs. de Paris)

[Emmanuel V. Masongsong]

Dr. Cecconi still has available appointments on Friday 1-3pm, please contact Emmanuel if you would like to book a time. Researchers and grad students are welcome to take our visitor to lunch on Friday, meet outside 2712 at 11:50am. 



SPACE PHYSICS SEMINAR 

DEPARTMENT OF EARTH, PLANETARY, AND SPACE SCIENCES 

DEPARTMENT OF ATMOSPHERIC AND OCEANIC SCIENCES 

UNIVERSITY OF CALIFORNIA, LOS ANGELES 

(EPSS M288A, AOS M275A ) 







Baptiste Cecconi 


LESIA, Observatoire de Paris, Meudon, France 





Planetary Radio Emissions, and their potential use as Planetary Space Weather Probes 








Abstract: 



Low frequency planetary radio emissions are powerful phenomena produced by plasma instabilities at all magnetized planets (Earth, Jupiter, Saturn, Uranus, Neptune, and even Ganymede). They occur when free energy appear in the distribution function of energetic particles. The main family of planetary radio emissions are the auroral radio emissions, linked to particle precipitations in the auroral regions on magnetized planets. Those radio emissions are thus intrinsically linked to the general dynamics of the magnetospheres, which is controlled either by external forcing (the solar wind), or internal sources (Io at Jupiter) or both. After a quick presentation of the auroral planetary radio emissions, the presentation will be divided into two parts: the study of an interplanetary shock observed throughout the heliosphere, thanks to in situ and remote sensing observations; and the presentation of the Cassini/RPWS instrument, as a typical advanced space radio observatory featuring goniopolarimetric capabilities. The future developments of low frequency radio astronomy, both on the instrumental side and on the database and data sharing side. 



Friday, February 27th, 2015 

Room 6704 Geology 

3:30 - 5:00 PM 



Refreshments served after the seminar in Room 6850. 



In-Charge 
V. Angelopoulos 


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