ASTROSAT CZTI

Data Quality Report

Orbit 14029

Creation date: 2024-06-27T16:49:23.149633
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/AS1G08_002T01_9000002072_14029cztM0_level2.evt modeM0/AS1G08_002T01_9000002072_14029cztM0_level2_quad_clean.evt
Size (bytes)542,635,200103,610,880
Size517.5 MB 98.8 MB
Events in quadrant A3,507,478658,650
Events in quadrant B3,555,625663,833
Events in quadrant C3,993,958665,313
Events in quadrant D4,876,252636,367

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0130
B0130
C0130
D0130

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01520
B01520
C01520
D01520

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0153393
B0154752
C0165052
D0196582

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A7384620.839653%
B7384730.988624%
C7384450.609426%
D73841441.950163%

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 8625 7387 0 0 0.00% 0.00%
B 8625 7387 2 2 0.02% 0.03%
C 8625 7387 0 0 0.00% 0.00%
D 8625 7387 45 45 0.52% 0.61%

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 12 189 57385 309.21 891 871 182.8
A 1 162 13082 66.81 891 871 182.8
A 0 226 8078 39.43 891 871 182.8
B 12 111 20835 116.84 887 865 170.9
B 11 111 17961 100.02 887 865 170.9
B 0 214 17947 99.94 887 865 170.9
C 3 233 523882 2585.13 874 878 202.3
C 14 220 62164 302.93 874 878 202.3
C 13 61 6174 26.18 874 878 202.3
D 1 52 1166586 5290.54 859 839 220.3
D 10 157 155383 701.37 859 839 220.3
D 8 195 135739 612.22 859 839 220.3

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