ASTROSAT CZTI

Data Quality Report

Orbit 20160703_G05_240T01_9000000536_level2

Creation date: 2018-05-17T11:00:53.894894
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_240T01_9000000536cztM0_level2.evt modeM0/AS1G05_240T01_9000000536cztM0_level2_quad_clean.evt
Size (bytes)42,598,022,4006,655,164,480
Size39.7 GB 6.2 GB
Events in quadrant A322,159,01241,336,396
Events in quadrant B341,308,83742,308,246
Events in quadrant C260,676,91141,641,624
Events in quadrant D329,906,25239,636,338

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A013124040
B013686850
C011496990
D013588460

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0109310
B0109270
C0109240
D0109290

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A08730
B09030
C08710
D09040

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A535219268425.015143%
B535684217514.060416%
C53665282711.541222%
D533598183173.432734%

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