deletions | additions       diff --git a/section_Description_of_the_data__.tex b/section_Description_of_the_data__.tex  index 7571826..0cfb105 100644  --- a/section_Description_of_the_data__.tex  +++ b/section_Description_of_the_data__.tex 
...
\section{Description of the data}  This project uses observations by ALMA of 2.6 mm $^12$CO(1-0) emission from M83. $^12$CO is used as a tracer of H$_2$ and the size, velocity line width, and luminosity of the GMCs can be found from the data [3]. A CO-to-H2 conversion factor of XCO X$_CO$  = 2 "×" x  1020 K km s-1 cm2 s$^-1$ cm$^2$  was used to derive the mass of H2 H$_2$  gas. Assuming the clouds are in virial equilibrium, a virial mass was found from the radius and velocity line width [3].