obsid   target                  start time      int time    inst    ccd     grat    drop rate(%)
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47453	Faint_Mode_I        	45:65890.696		 0.1	ACIS-S	I5		HETG	6.2
47359	Faint_Mode_S        	83:52023.312		 0.1	ACIS-S	I4		NONE	3.2