Fig. 18.
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Radial completeness fraction in the g-band for both the on-galaxy and off-galaxy background fields. The fraction was determined by following the procedure described in Sect. 2.3 and also applying the selection criteria described in Sect. 4.5. Left panel: Radial completeness over NGC 3640. The green dashed line is the completeness function obtained within 1.2 arcmin from the galaxy center. The red dashed line is the completeness function between 1.2 and 2 arcmin from the galaxy center. The blue dashed line represents the mean completeness of the four background regions inspected along the annulus with an inner radius of 25 arcmin and an outer radius of 30 arcmin. Right panel: Radial completeness function over NGC 3641. The green dashed line is the completeness function within 0.6 arcmin from the center of the galaxy.
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