Fig. 11
Flux variation gradient diagram of ESO 399-IG20 for different apertures. The fluxes obtained through 
show an strong correlation, with a correlation coefficient of rc = 0.94. While for 5′′, 15′′ and 25′′ the correlation coefficients are equal to 0.81, 0.90 and 0.89 respectively. This significant decrease in the correlation supports once again our choice of as the best aperture.
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