[IGPP Everyone] Space Physics Seminar, Friday Jan. 30th: Imaging solar wind interactions in soft x-rays (D. Sibeck, NASA)

[Emmanuel V. Masongsong]

If you would like to meet with Dr. Sibeck on Friday he has a few slots available, please contact me to set up an appointment: emasongsong at igpp.ucla.edu. 



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 ) 







David G. Sibeck 


NASA GSFC 





Imaging solar wind interactions in soft x-rays 








Abstract: 



Determining the nature of the solar wind’s interaction with the Earth’s magnetosphere is a central objective of heliophysics. A variety of mechanisms operating on the dayside magnetopause have been 
proposed to account for this interaction, including steady and transient reconnection, the Kelvin-Helmholtz instability, pressure pulses, and diffusion. Global measurements are needed to quantify the significance of each as a function of solar wind and geomagnetic conditions. IBEX observations provide the first glimpses of this interaction in energetic neutral atoms. However, charge enhance of high charge state solar wind ions with exospheric neutrals also results in soft x-ray emissions, ideal 
for imaging plasma density structures at the bow shock, magnetopause, magnetosheath, and cusps. This presentation describes the physics underlying current efforts to image the dayside magnetosphere and 
the prospects for such an imager. 



Friday, January 30th, 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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