ASTROSAT CZTI

Data Quality Report

Orbit 20190510_A05_142T01_9000002904_level2

Creation date: 2025-11-30T03:11:06.110284
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/AS1A05_142T01_9000002904cztM0_level2.fits modeM0/AS1A05_142T01_9000002904cztM0_level2_quad_clean.evt
Size (bytes)551,364,480541,077,120
Size525.8 MB 516.0 MB
Events in quadrant A3,345,2923,299,287
Events in quadrant B3,305,5623,285,760
Events in quadrant C3,326,0963,123,360
Events in quadrant D2,959,4362,916,971

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A011200
B011200
C011200
D011200

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01138590
B01176520
C01186070
D01246770

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0960
B0960
C0960
D0960

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A548287031.282192%
B5482810691.949734%
C5482810371.891369%
D548289111.661560%

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 64533 53373 0 0 0.00% 0.00%