ASTROSAT CZTI

Data Quality Report

Orbit 20170423_G07_060T01_9000001200_level2

Creation date: 2018-05-18T01:25:32.924185
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/AS1G07_060T01_9000001200cztM0_level2.evt modeM0/AS1G07_060T01_9000001200cztM0_level2_quad_clean.evt
Size (bytes)26,570,111,0405,435,550,720
Size24.7 GB 5.1 GB
Events in quadrant A189,319,43334,931,608
Events in quadrant B199,807,22734,690,987
Events in quadrant C177,335,22234,670,331
Events in quadrant D211,404,02633,150,149

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A06110
B06110
C06120
D06120

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A08399520
B08606000
C08128420
D09129130

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A080780
B080760
C080740
D080820

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A39722476191.918061%
B39765388642.229079%
C39730939190.986386%
D397198131353.306915%

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