Affiliation: | (1) CUA & Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Center, Greenbelt, MD, 20771, U.S.A.;(2) Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Center, Greenbelt, MD, 20771, U.S.A.;(3) Space Science Laboratory, University of California at Berkeley, Berkeley, CA, 94720, U.S.A;(4) SSAI & Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Center, Greenbelt, MD, 20771, U.S.A. |