ASTROSAT CZTI

Data Quality Report

Orbit 20160611_G05_189T01_9000000492_level2

Creation date: 2018-05-17T09:19:57.571079
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_189T01_9000000492cztM0_level2.evt modeM0/AS1G05_189T01_9000000492cztM0_level2_quad_clean.evt
Size (bytes)19,850,518,0802,904,471,360
Size18.5 GB 2.7 GB
Events in quadrant A140,848,42618,111,657
Events in quadrant B134,520,56918,349,252
Events in quadrant C181,869,86617,196,068
Events in quadrant D127,136,29117,223,985

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A05866140
B05617650
C07116970
D05613390

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A050720
B050720
C050720
D050720

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A02900
B02900
C02900
D02900

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A24948987283.498351%
B24948962042.486683%
C249488203418.153098%
D24948867782.716764%

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 289158 249500 3893 3893 1.35% 1.56%