Radially dependent models for magnetospheric mass density and average ion mass for L = 3 to 10 from spacecraft data

Richard Eugene Denton, Dartmouth College, Department of Physics and Astronomy, Hanover, United States, Kazue Takahashi, Johns Hopkins University, Applied Physics Laboratory, Laurel, MD, United States, Kyungguk Min, Auburn University, Auburn, AL, United States, David Hartley, University of Iowa, Iowa City, IA, United States and Toshi Nishimura, Boston University, Boston, MA, United States