ASTROSAT CZTI

Data Quality Report

Orbit 20160922_G05_152T01_9000000676_level2

Creation date: 2018-05-17T16:33:30.889787
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/AS1G05_152T01_9000000676cztM0_level2.evt modeM0/AS1G05_152T01_9000000676cztM0_level2_quad_clean.evt
Size (bytes)3,136,628,160559,074,240
Size2.9 GB 533.2 MB
Events in quadrant A18,247,2933,710,079
Events in quadrant B18,299,7853,521,875
Events in quadrant C22,542,3993,767,073
Events in quadrant D33,281,3113,263,948

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A08020
B08100
C08180
D08160

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0540
B0540
C0550
D0550

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0834360
B0794010
C0950520
D01256800

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A397407321.841973%
B364848742.395571%
C397726211.561400%
D39026483512.389176%

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
A 51596 41504 130 130 0.25% 0.31%