ASTROSAT CZTI

Data Quality Report

Orbit 20170309_G06_077T02_9000001076_level2

Creation date: 2018-05-17T23:47:12.083644
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/AS1G06_077T02_9000001076cztM0_level2.evt modeM0/AS1G06_077T02_9000001076cztM0_level2_quad_clean.evt
Size (bytes)18,242,988,4803,334,438,080
Size17.0 GB 3.1 GB
Events in quadrant A123,572,98220,823,435
Events in quadrant B134,345,17421,339,100
Events in quadrant C138,001,35321,202,527
Events in quadrant D139,298,49320,086,185

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A052120
B052160
C052160
D052160

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A05410850
B05659750
C05821340
D05905580

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A03750
B03750
C03750
D03750

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A25622445811.787889%
B25620869972.730984%
C25622744941.753914%
D25622168092.657471%

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 293578 256332 416 416 0.14% 0.16%