Phase-resolved spectrum of the Crab pulsar from NICER

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Table 1

Statistics of events in the four filter (MKF) files.

ObsID	TOT_ALL_CNT	TOT_XRAY_CNT	NAXIS2 / TOT_ALL_CNT
1013010113	1049364	1030023	0.926
1011010201	13865806	13626936	0.931
1013010122	34387222	33712711	0.926
1013010147	202406166	197369215	0.919

Notes. The four columns contain the ObsID, total counts, presumed X-ray counts, and the ratio of actual X-ray counts and total counts, for 49 useful detectors.

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