ASTROSAT CZTI

Data Quality Report

Orbit 20210824_C06_002T04_9000004660_level2

Creation date: 2025-12-28T09:59:04.486376
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_002T04_9000004660cztM0_level2.fits modeM0/AS1C06_002T04_9000004660cztM0_level2_quad_clean.evt
Size (bytes)867,248,6401,079,389,440
Size827.1 MB 1.0 GB
Events in quadrant A5,657,9397,739,049
Events in quadrant B4,793,2746,275,675
Events in quadrant C4,977,1346,152,785
Events in quadrant D4,618,4326,320,315

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A018520
B018550
C018570
D018560

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01912550
B03456650
C03009450
D02763440

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01350
B01370
C01330
D01350

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A907678370.922141%
B902961390915.403783%
C902161252413.882238%
D9048652215.769953%

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 1814300 90310 0 0 0.00% 0.00%