obsid   target                  start time      int time    inst    ccd     grat    err/ksec    
-----------------------------------------------------------------------------------------------------------
7444	DR_21               	234:13639.749		49.4	ACIS-I	I6		NONE	1.619
7899	Z7215               	269:27676.753		13.2	ACIS-I	I5		NONE	4.697
9777	AEGIS-1             	347:72261.063		13.8	ACIS-I	I5		NONE	743.478