ASTROSAT CZTI

Data Quality Report

Orbit 03593

Creation date: 2024-06-27T14:31:24.949453
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_246T03_9000000470_03593cztM0_level2.evt modeM0/AS1G05_246T03_9000000470_03593cztM0_level2_quad_clean.evt
Size (bytes)75,231,36015,621,120
Size71.7 MB 14.9 MB
Events in quadrant A509,594100,445
Events in quadrant B758,767100,549
Events in quadrant C472,384101,680
Events in quadrant D471,81498,108

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0200
B0200
C0200
D0200

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A020871
B029241
C019981
D020191

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A090
B090
C090
D090

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A922161.735358%
B922374.013015%
C922202.169197%
D922232.494577%

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 1797 923 0 0 0.00% 0.00%
B 1797 923 0 0 0.00% 0.00%
C 1797 923 0 0 0.00% 0.00%
D 1797 923 3 3 0.17% 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 8 15 43123 1605.1 119 115 26.8
A 12 113 4997 182.18 119 115 26.8
A 12 194 1424 48.84 119 115 26.8
B 15 204 227998 8947.6 120 116 25.5
B 4 81 33770 1321.4 120 116 25.5
B 0 229 10475 406.74 120 116 25.5
C 1 16 4466 144.61 119 119 30.1
C 15 208 1483 45.37 119 119 30.1
C 13 61 948 27.58 119 119 30.1
D 12 219 16020 519.9 119 114 30.6
D 13 223 2866 89.95 119 114 30.6
D 10 172 1940 59.68 119 114 30.6

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
Veto Counter