;20180414 Ali
;mvn_sep_fov common block
;mvn_sep_fov: time-series of variables
;mvn_sep_fov0: constants
;mvn_sep_fov1: fraction of the fov intersected by the surface of mars. populated by mvn_sep_fov_tplot,/fraction

  common mvn_sep_fov,mvn_sep_fov,mvn_sep_fov0,mvn_sep_fov1