ASTROSAT CZTI

Data Quality Report

Orbit 20170711_G07_046T01_9000001374_level2

Creation date: 2018-05-18T03:35:05.989733
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/AS1G07_046T01_9000001374cztM0_level2.evt modeM0/AS1G07_046T01_9000001374cztM0_level2_quad_clean.evt
Size (bytes)1,434,919,680243,529,920
Size1.3 GB 232.2 MB
Events in quadrant A14,028,3921,934,132
Events in quadrant B1,007,746170,431
Events in quadrant C13,128,8191,919,255
Events in quadrant D13,813,9221,849,798

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0750
B1750
C150
D150

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0584830
B044510
C0568420
D0591080

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A05560
B06640
C06420
D05800

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A275433091.121882%
B221050.226244%
C276642280.824176%
D274812060.749609%

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 55776 30695 7 7 0.01% 0.02%