ASTROSAT CZTI

Data Quality Report

Orbit 30163

Creation date: 2024-06-27T20:11:40.832282
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/AS1A10_097T03_9000004336_30163cztM0_level2.evt modeM0/AS1A10_097T03_9000004336_30163cztM0_level2_quad_clean.evt
Size (bytes)543,225,60097,761,600
Size518.1 MB 93.2 MB
Events in quadrant A3,292,244640,900
Events in quadrant B5,138,730639,207
Events in quadrant C3,861,793616,447
Events in quadrant D3,721,101613,080

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0180
B0190
C0190
D0190

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01340
B01340
C01340
D01340

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0138842
B0197792
C0157662
D0152042

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6458610.944565%
B64581011.563952%
C6458901.393620%
D6458701.083927%

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 7618 6459 13 13 0.17% 0.20%
B 7618 6459 2 2 0.03% 0.03%
C 7618 6459 0 0 0.00% 0.00%
D 7618 6459 51 51 0.67% 0.79%

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 13 65305 388.11 831 814 166.2
A 8 192 19249 110.94 831 814 166.2
A 13 254 12156 68.25 831 814 166.2
B 6 159 1855232 11853.86 826 805 156.4
B 0 190 26921 166.94 826 805 156.4
B 12 111 18762 114.78 826 805 156.4
C 3 233 578822 3078.58 805 812 187.8
C 14 238 130141 688.83 805 812 187.8
C 2 114 14931 75.2 805 812 187.8
D 12 233 188807 922.54 805 789 203.8
D 8 195 153224 747.95 805 789 203.8
D 12 227 90098 438.21 805 789 203.8

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