Catherine Zucker edited figures/Candid3_pos_pos/caption.tex  about 9 years ago

Commit id: 0d48a7598ecd1f764a88ac546e2e7af6d6dd7177

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Plane of the sky map integrated between 55-75 km/s, the approximate velocity range of the Scutum-Centaurus arm in the region around BC\_25.24-0.45. The black dashed line indicates the location of the physical galactic midplane, while the solid black lines indicate $\pm$ 20 pc from the galactic midplane at the 4.4 kpc distance to BC\_25.24-0.45, assuming the candidate is associated with the \citet{Dame_2011} Scutum-Centaurus model. A trace of BC\_25.24-0.45, as it would appear as a mid-IR extinction feature, is superimposed on the CO emission map. The correlation between BC\_25.24-0.45's mid-IR extinction feature and the Scutum-Centaurus's arm most intense CO emission hints that BC\_25.24-0.45 may be a spine of Scutum Scutum-Centaurus  as traced by lower density CO gas