ASTROSAT CZTI

Data Quality Report

Orbit 20170502_G07_024T01_9000001206_level2

Creation date: 2021-08-26T22:48:54.095332
Switch to: Orbit-wise | Merged OBSID-wise
web.py, SVN revision $Rev$

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_024T01_9000001206cztM0_level2_bc.evt modeM0/AS1G07_024T01_9000001206cztM0_level2_quad_clean.evt
Size (bytes)12,160,270,0805,979,360,960
Size11.3 GB 5.6 GB
Events in quadrant A75,045,43938,787,558
Events in quadrant B89,029,88939,910,278
Events in quadrant C81,961,88339,317,233
Events in quadrant D96,752,02837,483,965

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A07743020
B08141250
C08031820
D08446850

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A05780
B05770
C05760
D05780

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A076140
B076160
C076140
D076140

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A37429139881.065481%
B37427660191.608172%
C37426758521.563590%
D37423578172.088794%

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 1056128 374910 127 127 0.01% 0.03%