ASTROSAT CZTI

Data Quality Report

Orbit 03544

Creation date: 2024-06-27T14:30:45.697259
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/AS1G05_045T01_9000000468_03544cztM0_level2.evt modeM0/AS1G05_045T01_9000000468_03544cztM0_level2_quad_clean.evt
Size (bytes)432,420,480102,012,480
Size412.4 MB 97.3 MB
Events in quadrant A3,068,041672,052
Events in quadrant B3,461,695675,587
Events in quadrant C3,241,539658,321
Events in quadrant D2,896,024643,671

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0133942
B0144101
C0138651
D0131661

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0110
B0110
C0110
D0110

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01300
B01300
C01300
D01300

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6296941.493011%
B6296781.238882%
C62961282.033037%
D6296781.238882%

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 7461 6296 17 17 0.23% 0.27%
B 7461 6296 7 7 0.09% 0.11%
C 7461 6296 57 57 0.76% 0.91%
D 7461 6296 21 21 0.28% 0.33%

Top noisy pixels

Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1

Pixel properties Quadrant properties
Quadrant DetID PixID Counts Sigma Mean Median Sigma
A 0 50 85083 557.18 748 734 151.4
A 3 1 36953 239.25 748 734 151.4
A 0 118 34094 220.37 748 734 151.4
B 15 204 218916 1514.07 753 736 144.1
B 14 167 134305 926.91 753 736 144.1
B 0 228 31830 215.78 753 736 144.1
C 1 192 403409 2420.68 722 725 166.4
C 4 248 12431 70.37 722 725 166.4
C 13 61 6158 32.66 722 725 166.4
D 13 223 70640 402.32 726 704 173.8
D 10 172 20199 112.15 726 704 173.8
D 5 233 16720 92.14 726 704 173.8

Detector plane histogram (DPH)

Histogram calculated using DETX and DETY for each event in the final _common_clean file

Quadrant A Quadrant B
Quadrant D Quadrant C

Count rate plots and images

Plot type Count rate plots Images
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data.
Quadrant-wise count rates
Data is divided into 100 sec bins
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins

Housekeeping plots

Parameter Plot
CZT HV Monitor
D_VDD
Temperature 1
Veto HV Monitor
Veto LLD
Alpha Counter
_CPM_Rate
CZT Counter
+2.5 Volts monitor
+5 Volts monitor
_ROLL_ROT
_Roll_DEC
_Roll_RA
Veto Counter