Correlation graphics. a) log(LCO) vs. σv, b) log(LCO) vs. R and c) σv vs. R. Straight red lines: best fits to our data, using the Galactic exponents. The shadow area represent the uncertainties for individual data points. Black dot-dashed lines: galactic relations measured by Solomon et al. (1987). Green dashed lines: correlations for GMCs in the LMC from the MAGMA survey by Hughes et al. (2010). Blue dot-dashed lines: correlation for dwarf galaxies from Bolatto et al. (2008). Green crosses represent the molecular clouds identified in the MAGMA survey of the LMC by Wong et al. (2011).
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