ASTROSAT CZTI

Data Quality Report

Orbit 05572

Creation date: 2024-06-27T14:56:46.496208
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/AS1G06_129T01_9000000718_05572cztM0_level2.evt modeM0/AS1G06_129T01_9000000718_05572cztM0_level2_quad_clean.evt
Size (bytes)493,165,44084,254,400
Size470.3 MB 80.4 MB
Events in quadrant A2,900,553564,621
Events in quadrant B3,563,705564,983
Events in quadrant C4,885,629479,576
Events in quadrant D3,182,016526,657

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01200
B01200
C01200
D01200

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0123661
B0143870
C0182550
D0131670

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0130
B0130
C0130
D0130

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A5947861.446107%
B59471141.916933%
C594787714.746931%
D59471091.832857%

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 7197 5948 1 1 0.01% 0.02%
B 7197 5948 23 23 0.32% 0.39%
C 7197 5949 714 714 9.92% 12.00%
D 7197 5948 33 33 0.46% 0.55%

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 13 14 21998 141.82 739 724 150.0
A 7 16 15245 96.8 739 724 150.0
A 0 50 9806 60.54 739 724 150.0
B 15 204 229894 1639.37 737 720 139.8
B 11 51 129630 922.14 737 720 139.8
B 4 81 108162 768.57 737 720 139.8
C 1 241 2254522 15194.53 643 647 148.3
C 1 16 81356 544.1 643 647 148.3
C 9 16 36760 243.46 643 647 148.3
D 8 195 141251 800.35 716 695 175.6
D 2 152 140635 796.84 716 695 175.6
D 2 136 140365 795.31 716 695 175.6

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