ASTROSAT CZTI

Data Quality Report

Orbit 30333

Creation date: 2024-06-27T20:13:51.179289
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_053T13_9000004360_30333cztM0_level2.evt modeM0/AS1A10_053T13_9000004360_30333cztM0_level2_quad_clean.evt
Size (bytes)195,698,88047,419,200
Size186.6 MB 45.2 MB
Events in quadrant A1,250,421317,900
Events in quadrant B1,935,800317,509
Events in quadrant C1,253,369312,540
Events in quadrant D1,315,901308,791

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0520
B0520
C0520
D0520

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A070
B070
C070
D070

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A052331
B075061
C051571
D054291

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A2490572.289157%
B2490793.172691%
C2490722.891566%
D2490441.767068%

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 3160 2490 0 0 0.00% 0.00%
B 3160 2490 0 0 0.00% 0.00%
C 3160 2491 0 0 0.00% 0.00%
D 3160 2490 4 4 0.13% 0.16%

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 5 203 23153 353.14 314 306 64.7
A 8 192 9718 145.48 314 306 64.7
A 13 254 4370 62.82 314 306 64.7
B 6 159 696316 11076.2 309 300 62.8
B 0 190 8815 135.5 309 300 62.8
B 12 111 7875 120.54 309 300 62.8
C 14 238 48268 651.18 306 307 73.7
C 3 233 6263 80.87 306 307 73.7
C 2 114 5844 75.18 306 307 73.7
D 13 168 83294 1046.4 308 301 79.3
D 8 195 34704 433.76 308 301 79.3
D 2 250 18206 225.75 308 301 79.3

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