ASTROSAT CZTI

Data Quality Report

Orbit 05592

Creation date: 2024-06-27T14:57:01.092602
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/AS1G06_034T01_9000000722_05592cztM0_level2.evt modeM0/AS1G06_034T01_9000000722_05592cztM0_level2_quad_clean.evt
Size (bytes)559,408,32099,936,000
Size533.5 MB 95.3 MB
Events in quadrant A4,005,589627,818
Events in quadrant B3,946,809635,801
Events in quadrant C3,626,816627,107
Events in quadrant D4,834,328594,235

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A060
B060
C060
D060

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0173253
B0170542
C0161832
D0197272

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01600
B01600
C01600
D01600

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A77902373.042362%
B77901351.732991%
C7790610.783055%
D77901471.887035%

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 8315 7793 101 101 1.21% 1.30%
B 8315 7793 10 10 0.12% 0.13%
C 8315 7793 0 0 0.00% 0.00%
D 8315 7793 59 59 0.71% 0.76%

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 14 111 209685 1097.52 927 908 190.2
A 0 50 112937 588.92 927 908 190.2
A 15 174 92992 484.08 927 908 190.2
B 10 245 73430 402.1 947 926 180.3
B 15 204 45658 248.08 947 926 180.3
B 0 214 36632 198.02 947 926 180.3
C 1 16 19626 87.85 916 924 212.9
C 8 128 16396 72.68 916 924 212.9
C 8 112 7791 32.26 916 924 212.9
D 11 241 954485 4193.4 915 886 227.4
D 2 63 147884 646.42 915 886 227.4
D 2 136 63722 276.32 915 886 227.4

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