Pamela Freeman added section_Description_of_the_data__.tex  about 8 years ago

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\section{Description of the data}  This project uses observations by ALMA of 2.6 mm 12CO(1-0) emission from M83. 12CO is used as a tracer of H2 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 = 2 "×" 1020 K km s-1 cm2 was used to derive the mass of H2 gas. Assuming the clouds are in virial equilibrium, a virial mass was found from the radius and velocity line width [3].