Pickup protons in the heliosphere |
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| Authors: | Y C Whang L F Burlaga N F Ness |
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| Institution: | (1) Catholic University of America, 20064 Washington, DC, USA;(2) NASA Goddard Space Flight Center, 20771 Greenbelt, MD, USA;(3) Bartol Research Institute, University of Delaware, 19716 Newwark, DE, USA |
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| Abstract: | We calculate the conditions of pickup protons inside the termination shock. Outside 50 AU the partial pressure of pickup protons is greater than the magnetic pressure by a factor of > 10, and greater than the partial pressure of solar wind protons by a factor of > 100. Thus, pickup protons have a significant dynamical influence on the structures of the solar wind in the outer heliosphere. |
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