ASTROSAT CZTI

Data Quality Report

Orbit 05153

Creation date: 2024-06-27T14:52:02.669006
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_214T01_9000000652_05153cztM0_level2.evt modeM0/AS1G05_214T01_9000000652_05153cztM0_level2_quad_clean.evt
Size (bytes)292,512,96049,351,680
Size279.0 MB 47.1 MB
Events in quadrant A1,992,121303,287
Events in quadrant B2,079,014306,728
Events in quadrant C2,040,701308,904
Events in quadrant D2,472,392291,424

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0820
B0820
C0820
D0820

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0130
B0130
C0130
D0130

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A083932
B085281
C084741
D0100151

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A4023471.168282%
B4023571.416853%
C4023421.043997%
D4023761.889137%

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 5313 4024 1 1 0.02% 0.02%
B 5313 4024 0 0 0.00% 0.00%
C 5313 4024 0 0 0.00% 0.00%
D 5313 4024 47 47 0.88% 1.17%

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 11726 105.97 513 502 105.9
A 0 31 6516 56.78 513 502 105.9
A 12 194 5005 42.51 513 502 105.9
B 15 204 33820 332.3 517 506 100.3
B 15 54 14580 140.38 517 506 100.3
B 4 80 11781 112.46 517 506 100.3
C 1 16 91839 781.9 498 501 116.8
C 12 4 5371 41.69 498 501 116.8
C 13 61 4137 31.13 498 501 116.8
D 1 239 365991 2998.79 497 483 121.9
D 2 33 65190 530.89 497 483 121.9
D 2 136 44660 362.45 497 483 121.9

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