Catherine Zucker edited sectionFilament_3.tex  almost 9 years ago

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\section{Filament 2 ("BC\_025.24-0.45")}  Filament 2 is a confirmed bone, meeting all six criteria with a quality grade of "A." Behind filament 5 (our strongest bone), it has the second longest aspect ratio of our ten candidates, at $126:1$. It lies about 2-3 km/s from the \citet{Shane_1972} \textit{p-v} fit to the Scutum-Centaurus arm, as well as 20 pc from the physical Galactic midplane. When overlaid on a plane of the sky map (integrated in the velocity range of the Scutum-Centaurus in the region around filament 2), it traces a prominent peak in CO emission, forming a spine of Scutum-Centaurus as traced by lower density gas.