deletions | additions       diff --git a/Filament selection and analysis.tex b/Filament selection and analysis.tex  index f3edfcd..283f918 100644  --- a/Filament selection and analysis.tex  +++ b/Filament selection and analysis.tex 
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We now turn to the third dimension of the filaments. In figure \ref{filaments3D} we show the $L$--$D$ projections along the $L$--$W$ projections from figure \ref{finderimage}. Filaments B, C, and D are revealed as spatially coherent entities along the projected axis; filament D in particular is predominantly a 1D structure. Filament A, in contrast, consists of distinct dense clumps, no closer to each other than about 2 pc, that are joined only in projection by more tenuous emission.   It is worth noting that there is nothing in the line-of-sight velocity information that obviously distinguishes filament A from C or D. With the exception of the outlying material at $L\sim 1.5$--2.25, and $v_{los}\sim-1.5 $v_{los}\sim-1.5$  -- -2 km s$^{-1}$ (which is the clump at $D\sim 2$--3 pc in figure 'ref{filaments3D}), the rest of the material appears to consist of distinct ribbons intertwining in position--velocity space, with some large scale gradients and a mildly supersonic dispersion. IMPORTANT POINTS: THE SMALLER FILAMENT IS DEFINITELY A 1D STRUCTURE. VELOCITY GRADIENT WITH MILDLY SUPERSONIC DISPERSION BETWEEN COMPONENTS