Extended Data Fig. 7: Dynamic spectrum of the 19:12:33 20 July 2022 pulse detected with the APSUSE instrument on MeerKAT. | Nature

Extended Data Fig. 7: Dynamic spectrum of the 19:12:33 20 July 2022 pulse detected with the APSUSE instrument on MeerKAT.

From: A long-period radio transient active for three decades

Extended Data Fig. 7: Dynamic spectrum of the 19:12:33 20 July 2022 pulse detected with the APSUSE instrument on MeerKAT.

The time resolution is 3.9 ms and the frequency resolution is 8.5 MHz. Strong interference signals have been removed in the 950-MHz band and at the band edges below 577 MHz and above 1,065 MHz. The data are shown before de-dispersion (a) and after de-dispersion (b).

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