ASTROSAT CZTI

Data Quality Report

Orbit 20180703_T02_056T01_9000002210_level2

Creation date: 2018-07-10T15:15:01.936861
Switch to: Orbit-wise | Merged OBSID-wise
web.py, SVN revision $Rev: 1121 $

Source files: Data quality report (detailed, human readable) | Data quality report (concise, machine readable)

Observation information


Basic statistics of files

Param Original file Final file
FilenamemodeM0/AS1T02_056T01_9000002210cztM0_level2.evt modeM0/AS1T02_056T01_9000002210cztM0_level2_quad_clean.evt
Size (bytes)27,380,039,0404,280,474,880
Size25.5 GB 4.0 GB
Events in quadrant A175,020,46627,569,946
Events in quadrant B188,529,57627,470,440
Events in quadrant C163,637,42326,990,599
Events in quadrant D279,869,39525,073,244

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A05490
B05490
C05490
D05490

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A067180
B067180
C067180
D067180

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A07280980
B07680470
C06878040
D010579390

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A32916846941.426020%
B329168100683.058621%
C32916825090.762225%
D3291444135712.565017%

Noise dominated fraction

Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.

Quadrant # 1 sec bins Bins with >0 counts Bins with >2000 counts High rate bins dominated by noise Noise dominated (total time) Noise dominated (detector-on time) Marked lightcurve