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Fig. 2

image

Visual representation of a pulsar search candidate. The plot shows the detection of the known pulsar PSR J19010906, following the procedure described in the text. The bottom left panel shows the peak in the S/N curve over a large range of dispersion measures (DM) values, whereas the top left panel indicates the peak in the S/N with a refined period and DM. The top right plot shows a greyscale representation of intensity as a function of pulse phase in abscissa and the bandpass in ordinate at the refined period and DM, while the bottom right plot shows the averaged profile of the pulsar. Two rotations are shown for clarity in this plot. This representation helps distinguish mistaken RFI candidates from genuine candidate pulsars.

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