ASTROSAT CZTI

Data Quality Report

Orbit 20210731_C06_006T05_9000004600_level2

Creation date: 2021-08-02T19:23:44.012247
Switch to: Orbit-wise | Merged OBSID-wise
web.py, SVN revision $Rev$

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/AS1C06_006T05_9000004600cztM0_level2_bc.evt modeM0/AS1C06_006T05_9000004600cztM0_level2_quad_clean.evt
Size (bytes)515,796,480116,544,960
Size491.9 MB 111.1 MB
Events in quadrant A1,759,200775,872
Events in quadrant B4,431,910760,545
Events in quadrant C3,784,319694,990
Events in quadrant D5,059,899705,804

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0200
B0200
C0200
D0200

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0175930
B0270010
C0254050
D0280440

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01760
B01720
C01780
D01740

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A8543961.123727%
B85162412.829967%
C8508101111.882934%
D85052993.515579%

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 14352 8580 0 0 0.00% 0.00%