ASTROSAT CZTI

Data Quality Report

Orbit 20151116_P01_010T01_9000000108_level2

Creation date: 2018-05-16T14:18:16.804862
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/AS1P01_010T01_9000000108cztM0_level2.evt modeM0/AS1P01_010T01_9000000108cztM0_level2_quad_clean.evt
Size (bytes)51,131,733,1204,292,556,480
Size47.6 GB 4.0 GB
Events in quadrant A360,665,43528,049,488
Events in quadrant B396,496,22027,932,887
Events in quadrant C355,030,62527,553,925
Events in quadrant D416,915,37525,846,124

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A012817790
B013884950
C012652340
D014525410

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A04020
B04020
C04020
D04020

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A060140
B060140
C060140
D060140

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A29585034671.171878%
B29585286252.915309%
C29585134061.151255%
D295850246198.321447%

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