Fig. 2
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(a) Axis-ratio distribution of 181 initial samples. (b) Example cutouts of six UDG candidate samples from initial training set. The RA and Dec coordinates of each galaxy center are provided in the lower left corners of the images. Each example corresponds to a 65.75′′ × 65.75′′ (250 × 250 pixels) sky region centered on the UDG.
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